CN1613986A - Lubricant surface treated metal substrate material with excellent forming property and well welding property - Google Patents
Lubricant surface treated metal substrate material with excellent forming property and well welding property Download PDFInfo
- Publication number
- CN1613986A CN1613986A CNA2004100747016A CN200410074701A CN1613986A CN 1613986 A CN1613986 A CN 1613986A CN A2004100747016 A CNA2004100747016 A CN A2004100747016A CN 200410074701 A CN200410074701 A CN 200410074701A CN 1613986 A CN1613986 A CN 1613986A
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- lubricating
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/002—Pretreatement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2202/00—Metallic substrate
- B05D2202/10—Metallic substrate based on Fe
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2202/00—Metallic substrate
- B05D2202/20—Metallic substrate based on light metals
- B05D2202/25—Metallic substrate based on light metals based on Al
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2254/00—Tubes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2256/00—Wires or fibres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2502/00—Acrylic polymers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2503/00—Polyurethanes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2504/00—Epoxy polymers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2507/00—Polyolefins
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Laminated Bodies (AREA)
- Lubricants (AREA)
Abstract
Provided is a lubricating surface-treated metallic base material excellent in formability and weldability, withstanding severe drawing in particular, and also weldable even under the severe welding condition where, e.g., 3 to 4 or more pieces of the lubricating surface-treated metallic base materials are stacked so as to be welded. In the lubricating surface-treated metallic base material excellent in formability and weldability, a lubricating resin film is formed on at least a part of the surface in a metallic base material with an arithmetic average roughness of 0.03 to 1.5 [mu]m. The whole face of the lubricating surface-treated part is coated with the lubricating resin film, and also, the average film thickness of the lubricating resin film is 0.1 to 0.9 [mu]m, or, in the lubricating surface-treated part, a region (C region) coated with the lubricating resin film and the region (UC region) not coated with the same are coexistent, the average film thickness in the C region is 0.2 to 1.2 [mu]m, and also, the straight line distance from the optional position within the UC region to the closest boundary between the UC region and the C region is <=60 [mu]m.
Description
Technical field
The present invention relates to a kind of lubricant surface treated metal substrate material, particularly relate to all excellent lubricant surface treated metal substrate material of plasticity and weldability.
Background technology
General present widely used metal base, in order not have problems when the shaping processing of carrying out structure unit, goods from base material or the assembling, it has excellent plasticity, weldability strong request.Stainless steel for example, owing to have good anti-corrosion, can be widely used in various water circle devices, chemical reaction tower, waste liquor treatment equipment, transfer limes etc. such as boiler that family, office, factory etc. use, hot water supply apparatus, washing device, washing machine, kitchen, reservoir, handle therefrom low temperature to the industrial equipments of the various liquid of pyritous, in addition, also can be widely used in the erosion resistance structure unit of marine structure, automobile, rail vehicle, boats and ships etc., in order to be processed into structure unit, require it to have remarkable plasticity and weldability.In addition, powering up OA, automobile, building materials field, also more use than the corrosion-resistant steel plating of zinc class of stainless steel cheapness or the corrosion-resistant steel plating of aluminium alloy class as metal base, under this kind situation, in order to be processed into structure unit, also must have good plasticity, weldability.Further, in order to realize the lightweight of automobile or rail vehicle, boats and ships etc., require metal bases such as the aluminium of its use or aluminium alloy also to have good plasticity, weldability.
When utilizing the die forming metal base, if the oilness deficiency of metal base will crack, pleat and because therefore the problems such as surface damage that mould adhesion etc. produces will be coated with lubricating oil before shaping.Use this method, before shaping, must be lubricated the painting process of oil, utilize various organic solvents or alkaline degreasing fluid etc. to remove the operation of washing lubricating oil and further after shaping, must have, therefore this manufacturing process is not only miscellaneous, and the solvent or the degreasing fluid that use in the washing procedure removing of lubricating oil, health or environment to the operator can produce bigger load, are not very desirable therefore.
As not with an organic solvent or degreasing fluid just can form the lubricant surface treated metal substrate material of desirable shape, proposed on metallic substrate surface, to have formed the base material of the lubricating resin epithelium of lubricating function imparting agents (giving the material of lubricating function) such as the content of wax or solid lubricant.For example, for the motion of stainless-steel sheet, have the spy to open the 2002-60972 communique, for the motion of galvanized steel plate, have the spy to open flat 7-96576 communique, the spy opens flat 8-156174 communique etc., and same technology can be used for various metal bases.This lubricant surface treated metal substrate material, by with the gauge control of lubricating resin epithelium about 0.8～1.2 μ m than close limit in, though attempt to obtain the plasticity of metal base and the balance of 2 pieces of overlapping weldabilities, but in fact find not satisfy simultaneously the condition of this two aspect of good plasticity and weldability at all, perhaps very narrow for satisfying the processing window (processing window) of good plasticity and these two aspects of weldability, stablize and obtain comparatively difficulty of good plasticity and weldability.Because influence the factor of weldability, additive in the kind of the thickness of the lubricating resin epithelium that not only only on metallic substrate surface, forms but also kind, tissue, material, surfaceness or the lubricating resin of metal base, material, the resin, the lining situation of lubricating resin epithelium, and various conditions such as the material of electrode, shape, plus-pressure, welding current also about greatly the temperature rising situation of weld part.
The lubricant surface treated metal substrate material that will form the lubricating resin epithelium on the surface of metal base is processed in structure unit or the goods, do not have only two overlapping welding, the situation that 3～4 or the overlapping portion of multi-disc more than it weld is also more.Can stablize by the thickness of sight-feed lubricator resin involucra and to obtain good plasticity and this part thing of weldability, for the overlapping welding of such multi-disc, many than the situation difficulty of above-mentioned two overlapping welding.Because in the overlapping welding of multi-disc, the metal base that is connected with electrode at place, eclipsed two ends, and between the metal base of overlapping inside, accept the difference such as distribution, the influence of electrode pair refrigerative of stressed distribution, the electric current of electrode, the electric current of the base material that flowed or temperature distribution are than the situation complexity of two overlapping welding.
In addition, as having applied the metal base that the mineral-type lubricated surface is handled, having on the surface of metal base of having proposed form contain the lubricating function imparting agent the mineral-type epithelium (for example, to stainless-steel sheet, open the 2003-41380 communique with reference to the spy) or the base material of lining oilness inorganic epithelium, (for example to the motion of galvanized steel plate, there is the spy to open flat 9-256169 communique, Te Kaiping 5-214558 communique, in addition, for the motion of aluminium sheet, open flat 5-320932 communique with reference to the spy), same technology can be used for various metal bases.Even thisly applied the metal base that the mineral-type lubricated surface is handled, when 3～4 or the overlapping welding of multi-disc more than it, stablize by the thickness of managing the mineral-type epithelium and to obtain good plasticity and weldability also is difficult.
Improve weldability when keeping the plasticity of lubricant surface treated metal substrate material, proposed organic class of all reductions or mineral-type lubricating film lining rate, guarantee the scheme of energising property at the position of the epithelium that is not covered to metal base.(for example to galvanized steel plate, open flat 4-56783 number, spy with reference to the spy and open flat 5-237451 communique,, open flat 6-262721 communique with reference to the spy for stainless-steel sheet.), same technology can be used for various metal bases.But, with such method at the discontinuous epithelium that only is covered on the metallic substrate surface during in welding, energising resistance heterogeneity ground descends, want in complicated 3～4 or the overlapping welding more than it comparing the electric current that flows through metal base or temperature distribution with two overlapping welding, stablize and obtain comparatively difficulty of good plasticity and weldability.
As mentioned above, though attempted between the plasticity of the lubricant surface treated metal substrate material that forms organic class or mineral-type lubricating film and two overlapping weldabilities, averaging out, but when 3～4 or multi-disc lap more than it are welded, the stable good plasticity and the technology of weldability of obtaining still do not found up to now.
Summary of the invention
The present invention, invent for the technical problem that solves above-mentioned existence, purpose is to provide plasticity and welding property excellent, drawing and forming that particularly can anti-strictness, even 3～4 or lubricant surface treated metal substrate material more than it are carried out under the strict welding conditions of overlapping welding, also the lubricant surface treated metal substrate material that can weld.
The inventor, carried out all research in order to solve above-mentioned problem, found that on metallic substrate surface with specified range surfaceness, satisfy the lubricating resin epithelium of specified conditions by formation, can obtain a kind of lubricant surface treated metal substrate material, it can carry out strict drawing and forming, even and also can weld under the strict welding conditions of 3～4 or lubricant surface treated metal substrate material more than it being carried out overlapping welding.
Finished the present invention based on these discoveries, its main points are as described below.
(1) lubricant surface treated metal substrate material of a kind of plasticity and welding property excellent, be on arithmetic average roughness is at least a portion of metallic substrate surface of 0.03～1.5 μ m, to impose the lubricated surface that forms the lubricating resin epithelium to handle the lubricant surface treated metal substrate material that obtains, it is characterized in that, the integral body of above-mentioned lubricated surface into treatment sites is coated with above-mentioned lubricating resin epithelium, and the average leather film thickness of above-mentioned lubricating resin epithelium is 0.1～0.9 μ m.
(2) lubricant surface treated metal substrate material of a kind of plasticity and welding property excellent, be on arithmetic average roughness is at least a portion of metallic substrate surface of 0.03～1.5 μ m, to impose the lubricated surface that forms the lubricating resin epithelium to handle the lubricant surface treated metal substrate material that obtains, it is characterized in that, on above-mentioned lubricated surface into treatment sites, the zone of above-mentioned lubricating resin epithelium and the zone coexistence that does not have to be covered have been covered, the average leather film thickness in zone of above-mentioned lubricating resin epithelium of being covered is 0.2～1.2 μ m, and the optional position in the zone of the above-mentioned lubricating resin epithelium that never is covered begin to the zone of the lubricating resin epithelium that is not covered be coated with lubricating resin epithelium zone near the slant range on border at 60 μ m or below it.
(3) above-mentioned (2) described lubricant surface treated metal substrate material, the total area in the zone of the above-mentioned lubricating resin epithelium that it is characterized in that not being covered, account for implemented metallic substrate surface integral body that above-mentioned lubricated surface handles 45% or below it.
(4) above-mentioned (1) or (2) described lubricant surface treated metal substrate material is characterized in that, above-mentioned metal base is common iron, stainless steel steel, plating steel, aluminium or aluminum alloy materials.
(5) above-mentioned (1) or (2) described lubricant surface treated metal substrate material is characterized in that, above-mentioned metal base is sheet material, band, bar, shape material, tubing, wire rod.
(6) above-mentioned (4) or (5) described lubricant surface treated metal substrate material, it is characterized in that above-mentioned metal base is any of cold-rolled steel sheet, austenitic stainless steel steel plate, ferritic stainless steel steel plate, Martensite Stainless Steel steel plate, duplex stainless steel steel plate, steel plate galvanized.
(7) above-mentioned (1) or (2) described lubricant surface treated metal substrate material, it is characterized in that, above-mentioned lubricating resin epithelium, be to contain urethane resin at least, modified polyurethane resin, acrylic resin, acrylic resin modified, Resins, epoxy, modified epoxy, olefin resin, modified olefin resin, vibrin, modified polyester resin, Synolac, aminoresin, modified aminoresin, silicone resin, modified organic silicone resin, fluoro-resin, a kind of in the modified fluorin resin or two kinds or its above resinous principle and form with respect to the lubricating function imparting agent of dry epithelium 1～30 quality %.
Lubricant surface treated metal substrate material of the present invention is characterised in that aspect plasticity and weldability two all excellently, to the balance of plasticity and weldability, has outmatched on the lubricant surface treated metal substrate material up to now.Lubricant surface treated metal substrate material of the present invention, even must be when utilizing metal base to carry out shaping processing, the assembling of structure unit, goods owing to can deal with well under the situation of the shaping of strictness or the overlapping welding of multi-disc, thereby can improve the degree of freedom of structure unit or goods design, have a very high utility value industrial.
Specific embodiments
Below the present invention is described in detail.
Lubricant surface treated metal substrate material of the present invention, owing to be to have formed the lubricating resin epithelium at least a portion of metallic substrate surface of 0.03～1.5 μ m at arithmetic average roughness, on original metallic substrate surface, imposed the lubricated surface into treatment sites that forms the lubricating resin epithelium and be " lubricated surface processing " position.As the lubricant surface treated metal substrate material among the present invention, there is the integral body of lubricated surface into treatment sites to be coated with the base material of lubricating resin epithelium, and on the lubricated surface into treatment sites, is coated with the zone (C zone) of lubricating resin epithelium and do not have the base material of zone (UC zone) coexistence of lining.Under the former situation, the whole complete lubricated resin involucra of lubricated surface into treatment sites covers, and metallic substrate surface is not originally exposed fully.Under the latter's situation, the lubricated surface into treatment sites is made up of C zone and two zones, UC zone, the C zone is meant that lubricated resin involucra covers fully, the zone that metallic substrate surface is not originally exposed fully, the zone that the UC zone is meant does not in addition have the lubricating resin epithelium, original metallic substrate surface is exposed.
Among the present invention, the arithmetic average roughness that forms the metallic substrate surface of lubricating resin epithelium is 0.03～1.5 μ m, is preferably 0.05～0.5 μ m.The following describes its reason.
The lubricating resin epithelium that on metal base of the present invention, is covered, be when lubricant surface treated metal substrate material is shaped on metallic substrate surface coating can form and have no oiling oilness (, can not guarantee oilness even be not coated with lubricated wet goods during shaping yet) solvent borne of epithelium or aqueous resin composition (below, all be designated as the oilness cold coating or simply be designated as coating), heating makes it to react, the dry film that forms.The lubricating resin coating that is coated with on metallic substrate surface is because landfill is in the recess of the small fluctuating of metallic substrate surface, so the coating that is detained at recess is more than protruding place.When the roughness levels of the average leather film thickness of the lubricating resin epithelium that forms after the coating drying and original metallic substrate surface did not have a great difference, because the wettability of coating constituent, coating and metallic surface, drying conditions etc. are different, on degree, there are differences, but there is the epithelium position that covers original metallic substrate surface recess to become big tendency than the epithelium part leather film thickness that covers protuberance, according to different situations, do not covered and expose in the part of metallic substrate surface protuberance sometimes by epithelium.On the other hand, the average leather film thickness of the epithelium that forms after the coating drying is compared with the roughness levels of original metallic substrate surface sizable the time, the tendency of the stronger dependency of existence between the average leather film thickness of the epithelium that forms when having leather film thickness to distribute to become concavo-convex and the coating of not seeing original metallic substrate surface dry.In addition, the mean thickness of the epithelium that after the coating drying, forms and original metallic substrate surface roughness levels compare quite little in, the leather film thickness that has or cover the metallic substrate surface protuberance becomes thin especially, and perhaps the protuberance majority of metallic substrate surface exposes and tendency that whole coating film rate is reduced.
Among the present invention, when the integral body of lubricated surface into treatment sites was coated with the lubricating resin epithelium, as described later, the average leather film thickness of lubricating resin epithelium must be between 0.1～0.9 μ m.Therefore, when the arithmetic average roughness of metallic substrate surface is discontented with 0.03 μ m, the average leather film thickness in the zone of lining lubricating resin epithelium, compare with the roughness levels of metallic substrate surface and to become quite big, and with original metallic substrate surface concavo-convex it doesn't matter, the tendency of the thick distribution of epithelium that can form the comparison homogeneous is arranged.Therefore in the lubricated surface into treatment sites, the ratio that exists in the special thin zone of leather film thickness becomes considerably less, when the overlapping welding of such metal base, even on overlapping part, push electrode because therefore difficult destruction epithelium is difficult to guarantee to switch on some the weldability variation.On the other hand, when the arithmetic average roughness of metallic substrate surface surpasses 1.5 μ m, because the average leather film thickness of lubricating resin epithelium becomes and compares much smallerly with the roughness levels of metallic substrate surface, the integral body of the lubricated surface into treatment sites that therefore will be covered fully is difficulty comparatively.Even the arithmetic average roughness of metallic substrate surface surpasses 1.5 μ m, also exist in the possibility of the lubricating resin epithelium that is covered on the whole of lubricated surface into treatment sites, but this moment, the epithelium that is overlayed on the metallic substrate surface protuberance becomes thin especially, during shaping from mould than being slided under the strong pressure or swiping, epithelium is easy to generate and breaks, the plasticity variation.
In addition, in the present invention, when the lubricated surface into treatment sites coexisted with the zone (UC zone) that does not have lining in the zone (C zone) of the lubricating resin epithelium that has been covered, as described later, the average leather film thickness in above-mentioned C zone must be between 0.2～1.2 μ m.Therefore, when the arithmetic average roughness of metallic substrate surface is discontented with 0.03 μ m, the average leather film thickness in lubricating resin coating film zone becomes more much bigger than the roughness levels of metallic substrate surface, and with original metallic substrate surface concavo-convex it doesn't matter, have to form the tendency that the leather film thickness of homogeneous comparatively distributes.Therefore, in the lubricated surface into treatment sites, the ratio that exists in the UC zone of excellent electric conductivity tails off, and in the overlapping welding of such metal base, also is difficult to guarantee to switch on fully point, energising area, weldability variation even push electrode on overlapping part.On the other hand, the arithmetic average roughness of metallic substrate surface is when surpassing 1.5 μ m, in the lubricated surface into treatment sites, because the average leather film thickness in C zone is compared with the roughness levels of metallic substrate surface and is become quite little, therefore exposing that the protuberance of metallic substrate surface is more forms the UC zone, when being shaped for not bringing into play oilness, the plasticity variation than slip under the strong pressure or scraping from mould.
Here, the arithmetic average roughness of metallic substrate surface among the present invention is the defined arithmetic average roughness Ra of JIS B0601-2001 (definition of presentation surface roughness).Arithmetic average roughness Ra is utilizing the contact pin type transmitter describing to be tested the device (commercially available roughness tester) that surface shape is measured in the use of back, surface, mensuration that can be more or less freely.
To the control of the arithmetic average roughness of the metallic substrate surface used among the present invention, can use any method.For example can enumerate, utilize rolling concavo-convex (arithmetic average roughness is the scope of 0.03～1.5 μ m) of solid metal to be transferred to the method on the metallic substrate surface with the Rolling roller surface, concavo-convex (arithmetic average roughness is the scope of 0.03～1.5 μ m) with die surface when metal casting is transferred to the method on the cast member, to the surface utilization acid of metal base, alkali lye or electrolytic solution etc. carry out the method for chemical milling, and utilize sandblast or water-jet etc. to carry out mechanical mill, make it form the concavo-convex method of arithmetic average roughness in 0.03～1.5 mu m range etc.
Among the present invention, when the integral body of the lubricated surface into treatment sites that has formed the lubricating resin epithelium was coated with the lubricating resin epithelium, the average leather film thickness of lubricating resin epithelium was 0.1～0.9 μ m, was preferably 0.2～0.7 μ m.When average leather film thickness was discontented with 0.1 μ m, thickness was thin excessively, and the oilness deficiency can not prevent the damage that reaches metallic substrate surface of pushing when being shaped, and it is bad to be shaped.When average leather film thickness surpassed 0.9 μ m, even push electrode on overlapping part in overlapping welding, also difficult damaged thereby difficulty guarantee to switch on fully point, the energising area of epithelium welded often bad.
Among the present invention, when the zone (UC zone) that is coated with the zone (C zone) of lubricating resin epithelium and does not have to be covered on the lubricated surface into treatment sites coexists, " the average epithelium in C zone is thick ", be meant～area in UC zone is removed the leather film thickness that the area of only considering the C zone obtains when getting its mean value from the thick calculating object of average epithelium.Be somebody's turn to do " the average leather film thickness in C zone " between 0.2～1.2 μ m, between preferred 0.3～0.9 μ m.When the average leather film thickness in C zone was discontented with 0.2 μ m, leather film thickness was thin excessively, the oilness deficiency, and the damage of pushing the arrival metallic substrate surface in the time of can not preventing to be shaped, it is bad to take place to be shaped.As described later, the maximum width of the metal covering that expose in each UC zone among the present invention or maximum diameter are at most about 120 μ m, and the size that contacts with metallic substrate surface with electrode in overlapping welding (several mm footpath or more than it) is compared, and is much smaller.Therefore when the average leather film thickness in C zone surpasses 1.2 μ m, hindered owing to be positioned at the pachydermia film in the C zone around the UC zone, electrode can not touch the metal covering that expose in the UC zone fully, and rack of fusion often takes place.
In the metal base of the present invention, the mensuration of the average leather film thickness in C zone can be used any method.For example can on the metallic substrate surface that forms the lubricating resin epithelium, utilize the sem observation vertical cross-section, try to achieve average leather film thickness by the observations in most cross sections.As more high-precision measuring method, following method is for example arranged.About the judgement that contains rate (unit mass %) in epithelium in the formation element of the lubricating resin epithelium that on original metallic substrate surface, forms, be the adhesion amount (g/m of unit by obtaining per unit area
2), the epithelium adhesion amount (g/m of unit that calculates the lubricated surface into treatment sites integral body of forming by C zone and UC zone
2).In addition, two-element list surface analysis by the lubricating resin epithelium that forms on metallic substrate surface can be in the hope of the occupation rate (=coating film area occupation ratio) in C zone, from the proportion of these results and epithelium, can be in the hope of the average leather film thickness (the μ m of unit) in C zone.In these methods, epithelium constitutes the adhesion amount of element, can utilize for example feature of this element (fluorescence) X ray strength analysis to try to achieve.In addition, the occupation rate in C zone for example in metallic substrate surface, utilizes EPMA (Electron ProbeMicroAnalyser) to try to achieve 2 yuan of distributions that epithelium constitutes the characteristic X ray strength of element, thereby tries to achieve the ratio in lining epithelium zone.Epithelium proportion, for example can utilize acid etc. only to dissolve, remove the metal of lubricant surface treated metal substrate material after, a spot of leather diaphragm is encased in the density gradient tube tries to achieve.
Among the present invention, shape for the UC zone is not particularly limited, can be simple shape such as ellipticity, band shape, perhaps (perhaps in the C zone) C zone (perhaps UC zone) is sea-island shape that island distributes in the UC zone, the different shapes such as shape that the mutual intricately in UC zone and C zone mixes.But, for the size in UC zone qualification is arranged, begin from the optional position in the UC zone to UC zone and C zone must be at 60 μ m or below it, preferably at 40 μ m or below it near the slant range on border.When the UC region memory surpasses the position of 60 μ m near the slant range on border in UC zone and C zone, when being shaped, contact more on a large scale between metallic substrate surface and the die surface, thereby on the metallic surface, easily produce the flaw that bonds, it is bad to be shaped.Above-mentioned slant range is meant when surpassing 60 μ m, for example Yi Xia situation.Be simple when oval in the UC zone, oval short radius surpasses the situation of 120 μ m.When being banded merely in the UC zone, at least a portion bandwidth surpasses the situation of 120 μ m.When being the island distribution in the marine C zone in UC zone, at least 1 C zone that is island is to the situation of the shortest distance between another C zone above 120 μ m.Above-mentioned slant range for example when above-mentioned EPMA is applicable to metallic substrate surface, is tried to achieve 2 yuan of distributions that epithelium constitutes the characteristic X ray strength of element, extracts not exist epithelium to constitute the zone (=UC zone) of element in the distribution plan, tries to achieve by parsing.
Among the present invention, the total area in UC zone, 45% or its following (being that the coating film rate is 55% or more than it) of preferably accounting for the metallic substrate surface integral body that has imposed above-mentioned lubricated surface processing are more preferably 30% or below it.When UC zone surpass above-mentioned metallic substrate surface integral body 45% the time, shape and distribution according to these UC zones, sometimes metallic substrate surface easily directly contacts with die surface when being shaped, and easily produces the bonding flaw in metallic substrate surface, may cause that shaping is bad.For imposing the whole UC area occupied of the metallic substrate surface ratio that lubricated surface is handled, for example when above-mentioned EPMA is applicable on the metallic substrate surface that has imposed the lubricated surface processing, do not exist epithelium to constitute the zone of element by extracting, can more easily try to achieve this area ratio.
Formation method as lubricating resin epithelium of the present invention, after utilizing known coating processs such as rolling method, spraying method can form the solvent-borne type of above-mentioned epithelium or water-base resin coating to be coated on the metallic substrate surface, form epithelium by the heat drying solvent or by sintering reaction.
Coating process or application condition according to cold coating, be coated with the situation of lubricating resin epithelium in the integral body of the lubricated surface into treatment sites that has imposed the lubricated surface processing that forms the lubricating resin epithelium, and the zone (C zone) of the lubricating resin epithelium that on the lubricated surface into treatment sites, has been covered and the situation that the zone (UC zone) that does not have lining coexists, can not separate application merely.But, the wettability of coating and metallic substrate surface better, coating composition is with the reactive height of metallic substrate surface, when reacting fast after application, even the average leather film thickness of the lubricating resin epithelium that forms is compared quite little with the roughness levels of metallic substrate surface, the integral body that the lubricated surface into treatment sites is also arranged is by the tendency of average leather film thickness at 0.1 μ m or the lubricating resin coating film more than it.
In the lubricant surface treated metal substrate material of the present invention, the metal base kind that forms the lubricating resin epithelium is not particularly limited base materials such as the alloy that aluminium, titanium, zinc, copper, nickel is arranged and contain these metals for example applicatory, steel.Wherein, when using steel, component being not particularly limited, can being common iron, also can be chrome-bearing steel materials such as stainless steel steel, also can be to contain the steel that other add element.In addition, also can be the plating steel that on the surface of steel, have lining coating.Wherein, as preferred metal base, common iron, stainless steel steel, plating steel, aluminium or aluminum alloy materials are arranged.
The stainless steel steel that use among the present invention, unqualified to micro organization's kind, can be any of austenitic stainless steel steel, ferritic stainless steel steel, Martensite Stainless Steel steel, duplex stainless steel steel.
The lining coating of the plating steel that use among the present invention, its kind also is not particularly limited, as the coating that is suitable for, zinc is for example arranged, aluminium, cobalt, plumbous, tin, any coating in the nickel, and contain these metallic elements or further contain other metallic element, the alloy plating of non-metallic element, further, these coating can contain a kind of or two kinds or its above cobalt as a spot of xenogenesis element, molybdenum, tungsten, nickel, titanium, chromium, aluminium, manganese, iron, magnesium, plumbous, antimony, tin, copper, cadmium, arsenic etc. also can dispersed silicon dioxide, aluminum oxide, inorganicss such as titanium dioxide.The present invention also is suitable for above-mentioned coating and other kind coating, for example many coating of combination such as plating iron, plating iron-phosphorus.Formation method for coating is not particularly limited, and for example can use plating, electroless plating, fusion plating, gas phase plating etc.The plating treatment process, can use continous way, batch processing mode any, for example fusion plating, continous way is mainly used in light sheet, wire rod class, and batch processing mode can be used for tubing, rolled stock, processing material, bolt, nut class, casting forging product class etc. and impregnated in the fusion plating bath carry out (being the plating of so-called back) after final base material or component shape are shaped.
In addition, as plating aftertreatment to steel plate, have as the super smoothing processing of after fusion plating, the homogeneous of outward appearance being handled, the skin-pass adjusted as the anneal of coating upgrading processing, to condition of surface or material etc., be not particularly limited in the present invention, can be suitable for any.
The present invention does not limit the manufacture method of the metal base that forms the lubricating resin epithelium, can enumerate for example have rolling as cold rolling, the hot rolling of making final step etc., cast, forge, extrude, manufacture method such as drawing.Shape to metal base also is not particularly limited, and can use various shapes according to purpose, but preferred panels, band, bar, shape material, tubing, wire rod.
Of the present invention as the metal base that forms the lubricating resin epithelium, in the above-mentioned base material of enumerating, preferred especially cold-rolled steel sheet, austenitic stainless steel steel plate, ferritic stainless steel steel plate, Martensite Stainless Steel steel plate, two phase system stainless-steel sheet, zinc-plated class steel steel plate.
The lubricating resin epithelium that on metal base of the present invention, is covered, be that the solvent borne or the aqueous resin composition that will can form the epithelium with no oiling oilness when lubricated surface is handled the shaping of base material is coated on the metallic substrate surface, by heating make it to react, dry obtaining.Such lubricating resin epithelium, so long as the skin that has excellent formability then is not particularly limited its kind or composition, preferably contain urethane resin, modified polyurethane resin, acrylic resin, acrylic resin modified, Resins, epoxy, modified epoxy, olefin resin, modified olefin resin, vibrin, modified polyester resin, Synolac, aminoresin, modified aminoresin, silicone resin, modified organic silicone resin, fluoro-resin, a kind of in the modified fluorin resin or two kinds or its above resinous principle and with respect to the lubricating function imparting agent of dry epithelium 1～30 quality %.When the addition of lubricating function imparting agent is discontented with 1 quality %, can not get desired lubricant effect sometimes.When surpassing 30 quality %, the epithelium strength degradation perhaps more easily produces the problems such as disengaging of lubricating function imparting agent when handling metal base.Here, " modified resin " is meant that the part quilt of the resin structure that constitutes backbone and resin or the atom (group) that this resin has different structure replace, and perhaps adds with this resin to have the resin of different structure or the resin that atom (group) obtains in the resin that constitutes backbone.
Above-mentioned lubricating function imparting agent (can give the material of lubricating function), thereby further give its oilness by the frictional coefficient that reduces the epithelium surface, have raising press formabilities such as the mould of preventing bonding, the effect of attenuate pull and stretch processibility etc., be solid lubricant that does not have polar group or the wax of forming with (A) long-chain fat family hydrocarbon, (B) in 1 molecule, has the solid lubricant or the wax of long-chain fat family alkyl (chain alkyl) and polar group, perhaps (C) is the particle of main component with the solid lubricant or the wax of fluorine resin composition, so long as containing in treatment solution, can then it being not particularly limited by stable uniform ground dispersive material of above-mentioned resin, but preferred (A) has, the carbonatoms of alkyl is at 125～700 polyethylene, the carbonatoms of polyolefins waxes such as polypropylene or alkyl is at 32～72 paraffin (little wax), solid lubricants such as stearic acid are arranged as (B), as (C) tetrafluoroethylene is arranged, polychlorotrifluoroethylene, polyvinylidene difluoride (PVDF), poly-ethylene fluorides etc. further also can use these (A), (B), (C) solid lubricant or wax a kind or 2 kinds or its be above to be mixed or the product of modification.
Example as above-mentioned solid lubricant or wax can be enumerated, the carbonatoms of alkyl is at 12～22 high fatty alcohol (hexadecanol, stearyl alcohol etc.), the carbonatoms of alkyl is at 13～17 higher fatty acid (stearic acid, 12-hydroxylation stearic acid etc.), metal rock soap (the lead stearate that the carbonatoms of alkyl is formed at 12～30 higher fatty acid and divalent metal, Zinic stearas, calcium stearate etc.), in addition as the ester class, the carbonatoms that alkyl arranged is at 13～17 the higher fatty acid and the ester of other hydrocarbon, the carbonatoms of alkyl is at 13～17 the high fatty alcohol and the ester of aliphatic dicarboxylic acid or lipid acid, ester (the tristearin of polyvalent alcohol and higher fatty acid, trimethylolpropane tris stearate etc.), as fatty acid amide, the carbonatoms that alkyl arranged is at the monoamide or the bisamide (palmitic amide of 15～17 higher fatty acid, stearic amide, amine hydroxybenzene, ethylenebisstearamide, methylene-bis stearylamide etc.), as the wax class, it is 27～34 higher fatty acid wax that the alkyl carbonatoms is arranged, the wax that the higher fatty acid of the amount of carbon atom 27～34 of alkyl and the ester of aliphatic diol form, the carbonatoms of alkyl are that 125～700 polar polyethylene wax (for example is combined with carboxyl on the end of Polyethylene Chain, perhaps chain is combined with acidic groups such as hydroxyl everywhere) etc.
In the above-mentioned lubricating function imparting agent, the median size of particle shape imparting agent is preferably at 5 μ m or below it.When the integral body of the lubricated surface into treatment sites of handling at the lubricated surface that has imposed formation lubricating resin epithelium among the present invention is coated with the lubricating resin epithelium, the average leather film thickness of lubricating resin epithelium is at 0.9 μ m or below it, in addition, when the zone (UC zone) that is coated with the zone (C zone) of lubricating resin epithelium and does not have to be covered on the lubricated surface into treatment sites that has imposed the lubricated surface processing that forms the lubricating resin epithelium coexists, because the average leather film thickness in C zone is at 1.2 μ m or below it, if therefore the averaged particles of lubricating function imparting agent directly surpasses 5 μ m, then the ratio of exposing than the lubricating function imparting agent of major part from epithelium increases, when the processing of metal base or when being shaped and the sliding resistance of mould etc., the lubricating function imparting agent comes off from epithelium easily, and lubricated snowing fallen.The median size of lubricating function imparting agent is more preferably in the scope of 0.1～2.5 μ m.In addition, median size described here, be meant the relation curve of making particle diameter and cumulative volume ratio after, read the cumulative volume ratio and be 50% o'clock particle diameter " d50 (50% median size) ".Measuring method as this moment for example can use laser scattering method.This method is to be scattered in irradiating laser under the state in the solvent at particle, the scattered light intensity I (θ) that utilization is come out from particle scattering (θ is the angle of scattered light) significantly exists with ... particle diameter, by resolving the interference fringe that generate this moment, can be in the hope of d50 or size distribution.
On metallic substrate surface, form the solvent-borne type or the aqueous lubricating cold coating of lubricating resin epithelium among the present invention, also can add as required and improve and the reagent of metallic substrate surface adaptation, epithelium intensity rising agent, membrane producing promoter, levelling agent, defoamer, thickening material, dispersion agent etc.In addition in addition, in the scope of not damaging the epithelium physical properties, also can add the pigment that to give its aesthetic appearance or the conductivity additive that can give electroconductibility, siccative, stablizer, anti-epithelium tonicity agents, rust-preventive agent, mould inhibitor, sanitas, frostproofer etc. as required.
Reagent, epithelium intensity rising agent as improving metallic substrate surface and lubricating resin epithelium adaptation can use silicon-dioxide or various coupler, linking agent etc.Silicon dioxide granule wherein when the lubricating resin coating of the lubricating resin epithelium that forms on metallic substrate surface is solvent-borne type, can be and pulverizes silicon-dioxide, fumed silica etc. and can be scattered in any silicon dioxide granule in the solvent.When lubricating resin coating is water-based, can be aqueous colloidal silicon-dioxide, pulverize any silicon dioxide granules that are scattered in the water such as silicon-dioxide, fumed silica.Consider that from the plasticity of performance lubricating resin epithelium the silicon-dioxide primary particle size is preferably 2～30nm, 2 aggegation particle diameters are preferably at 100nm or below it.As the addition of silicon-dioxide, with respect to the non-volatile component of above-mentioned lubricating resin coating preferably below 1～30 quality %.When discontented 1 quality %, can not get and metal covering between adaptation improve effect.When surpassing 30 quality %,, easily bond because the epithelium elongation reduces thereby plasticity descends.
Lubricating resin epithelium of the present invention, be formed on according to purpose at least a portion of metal base and get final product, as this beginning was put down in writing, the position that has imposed the lubricated surface processing that forms the lubricating resin epithelium on original metallic substrate surface was " lubricated surface processing " position.The lubricating resin epithelium, when being formed on base material and being shaped pair and processing and lubrication such as the sliding between the mould, anti stick to have on the position of requirement be important.
Among the present invention,, before lining epithelium on the metal base, can carry out base treatment such as phosphatizing or chromate treating to metallic substrate surface in order to obtain the stronger adaptation or the erosion resistance of metallic substrate surface and lubricating resin epithelium.At this moment, as chromate treating, can use electrolysis-type chromic salt, response type chromic acid salt and application type chromic salt any.The chromic salt epithelium preferably utilizes to obtain add a kind of selecting in silicon-dioxide, phosphoric acid, the hydrophilic resin or 2 kinds or the coating of the chromatedsolution more than it, drying in the chromic acid of partial reduction after.
In above-mentioned phosphatizing as phosphatic adhesion amount, in phosphoric acid salt preferably at 0.5～3.5g/m
2Scope in.The adhesion amount of chromic salt in chromate treating is scaled chromium metal and is preferably 5～150mg/m
2, 10～50mg/m more preferably
2As discontented 5mg/m
2The time can not get good anticorrosion effect, surpassing 150mg/m
2The aggegation that can produce the chromic salt epithelium when time is shaped destroys processibility is descended.Further, also can impose cleanup acid treatment, alkaline purification, electrolytic reduction processing, cobalt plating processing, Nickel Plating Treatment, silane coupling agent processing, inorganic silicate processing etc. according to purpose to substrate.
Embodiment
Based on embodiment and comparative example the present invention is further specified below, but the present invention is not limited in these embodiment.
[metal base]
(1) contains the ferritic stainless steel steel plate (thickness of slab 0.3mm) of 18 quality %Cr
(2) contain the austenitic stainless steel steel plate (thickness of slab 0.3mm) of 22 quality %Cr, 12 quality %Ni
(3) contain the Martensite Stainless Steel steel plate (thickness of slab 0.3mm) of 13 quality %Cr
(4) contain the respectively duplex stainless steel steel plate (thickness of slab 0.3mm) of 25 quality %, 6 quality %, 3 quality % of Cr, Ni, Mo
(5) cold-rolled steel sheet (thickness of slab 0.4mm)
(6) electrogalvanizing steel plate (thickness of slab 0.4mm, the thick 2.5 μ m of coating)
(7) contain the aluminium alloy plate (thickness of slab 0.4mm) of Mg4.5 quality %
[forming the cold coating of lubricating resin epithelium]
(1) coating 1
Main component is acrylic acid modified silicone resin and new LDPE (film grade) wax, and dispersion agent is organic solvent (solvent based coating).(structural unit of main skeleton is-CH the acryl-modified silicone resin resin with methacrylic resin for the silanol group that makes reactive phenyl silicone resin (the starting raw material monomer is 3 functional groups), reactive aminomethyl phenyl silicone resin (the starting raw material monomer is 2 functional groups) in the existence of titanium class catalyzer
2-C (CH
3) (COOCH
3The alcoholic extract hydroxyl group of)-) carries out that condensation reaction obtains, and methacrylic acid degree of modification (methacrylic resin accounts for the mass ratio of resin total mass) is about 21%.Polyethylene wax is 110 ℃ of softening temperatures, and median size is the particle shape solid of 1.0 μ m, and content is 10 quality % of coating 1 non-volatile component.
As improving the epithelium strength reagent, 1 particle diameter of 5 weight % that has added the non-volatilization component of coating 1 is about the vapor phase process synthetic silica (surface has methyl, hydrophobicity) of 5nm.
(2) coating 2
Main component is urethane resin and stearic amide class wax, and dispersion agent is an organic solvent.Contained urethane resin in coating 2 is to be the thermosetting polyurethane resin that main starting raw material makes with tolylene diisocyanate (TDI) with TriMethylolPropane(TMP).Stearic amide class wax is about 100 ℃ of fusing point, and the particle shape solid of median size 0.8 μ m, content are 10 quality % of the non-volatile component of coating 2.In coating 2, add non-volatile component 5 quality % and the identical fumed silica contained in coating 1 that accounts for coating 2.
(3) coating 3
Main component is alkyd modified Resins, epoxy and new LDPE (film grade) wax, and dispersion agent is an organic solvent.Contained alkyd modified Resins, epoxy in coating 3 is the bisphenol A type epoxy resin of Synolac modification.Polyethylene wax, with contained identical in the coating 1, content is 10 quality % of the non-volatile component of coating 3.In coating 3, add account for non-volatile component 5 quality % with coating 1 in contained identical vapor phase process synthetic silica.
(4) coating 4
Main component is bisphenol A type epoxy resin and new LDPE (film grade) wax, and dispersion agent is an organic solvent.Contained identical in polyethylene wax and the coating 1, content is 10 quality % of the non-volatile component of coating 4.In coating 4, add account for non-volatile component 5 quality % with coating 1 in contained identical vapor phase process synthetic silica.
(5) coating 5
Main component is 110 ℃, the new LDPE (film grade) wax of median size 2.5 μ m for the bisphenol A type epoxy resin identical with coating 4 and softening temperature, and dispersion agent is an organic solvent.The content of polyethylene wax is 10 quality % of the non-volatile component of coating 5.In coating 5, add account for non-volatile component 5 quality % with coating 1 in contained identical vapor phase process synthetic silica.
[test method]
(1) form in metallic substrate surface concavo-convex
The Rolling roller that utilization has various surfacenesses carries out skin-pass to above-mentioned metal sheet, and the concavo-convex of roller surface is transferred on the metal sheet surface.The arithmetic mean roughness Ra of the metal sheet surface that obtains (according to JIS B 0601-2001) utilizes commercially available roughness tester ((strain) eastern Seiko Application ヅ ニ ア リ Application グ system, サ-Off コ system 750A) to measure.
(2) manufacturing of lubricant surface treated metal substrate material
After above-mentioned metal sheet carried out the alkali degreasing clean surface, utilizing rod to be coated with method is coated on coating 1～6 on the inside and outside two sides of metal sheet, make metallic surface temperature 170～220 ℃ of reactions down according to the kind that constitutes coating resin then, make its drying, on the two sides of metal sheet, form the lubricating resin epithelium, obtain lubricant surface treated metal substrate material.
Carbon for one of epithelium main composition element, 2 yuan of distributions that utilize EPMA to try to achieve to be tested the characteristic X ray strength on the substrate surface, the surface of the lubricant surface treated metal substrate material that the result obtains as can be seen, according to the combination of the metal sheet surface arithmetic mean roughness of raw material, coating type, lining leather film thickness, there is the situation that the zone (C zone) of lubricating resin epithelium is arranged and do not have zone (UC zone) coexistence of coated with resin epithelium by carrying out on the situation that is coated with the lubricating resin epithelium all of lubricated surface into treatment sites and the lubricated surface into treatment sites.
(3) thickness of calculating lubricating resin epithelium
Integral body at the swabbing position all is coated with under the situation of lubricating resin epithelium, and the mean thickness of the lubricating resin epithelium of substrate surface (the μ m of unit) can the fluorescent X-ray strength analysis of contained Si be calculated the epithelium adhesion amount (g/m of unit from epithelium
2), then it is obtained divided by epithelium proportion.When the C zone coexists with the UC zone, utilize following method to try to achieve.Utilization fluorescent X-ray strength analysis of contained Si in the lubricant surface treated metal substrate material epithelium is calculated with respect to lubricant surface treated metal substrate material surface whole epithelium adhesion amount (the unit g/m of C zone with UC zone summation
2).In addition, for carbon as one of epithelium main composition element, utilize EPMA to try to achieve 2 yuan of distributions of the characteristic X ray strength on lubricant surface treated metal substrate material surface, by image analysis with C zone and UC zone double quantification, calculate the C zone occupied area rate (=coating film area occupation ratio) whole with respect to the lubricant surface treated metal substrate material surface.The test sample of EPMA is taked from above-mentioned fluorescent X-ray strength analysis sample, resolution areas be 1.1mm * 1.1mm rectangle, 3 of the lubricant surface treated metal substrate material surface different local, leave 30mm or more than it mutually.The occupied area rate in the C zone that obtains from these 3 places confirms with after the degree, with their mean value as average occupied area rate with respect to the whole C zone on the surface of lubricant surface treated metal substrate material.The average leather film thickness (the μ m of unit) that can try to achieve the C zone from the average occupied area rate and the epithelium proportion in above-mentioned epithelium adhesion amount, C zone.The surface of lubricant surface treated metal substrate material, owing to constitute by C zone and UC zone, so the average occupied area rate in UC zone can be tried to achieve with [the average occupied area rate in 100-C zone] (% of unit).
(4) optional position from the UC zone begins to the evaluation of C zone shortest distance
2 yuan of distributions that constitute the characteristic X ray strength of elemental carbon from above-mentioned epithelium judge whether exist UC zone and C zone near the position of the slant range between the border above 60 μ m in the UC zone.Rectangular area to the 1.1mm * 1.1mm in 3 places same as described above, resolve the shape in UC zone, in the UC zone, all be designated as qualified (zero) less than above 60 μ m the time to the shortest distance between UC zone and the C zone iimit, exist shortest distance to surpass the position of 60 μ m in the place then be designated as defective (*) if in 3 rectangular areas, have at least.
(5) mould cohesiveness is estimated
Utilize the oil pressure forming test machine of cylinder tapping machine, be lubricated the forming test of surface-treated metal base material under the following conditions, estimate mould cohesiveness.
Tapping machine diameter 70mm Φ
Blank diameter 150mm Φ
Pushing load 490kPa
Forming speed 3.3 * 10
2M/sec
Instrument condition FCD-500
Any situation all is shaped to 80% of maximum forming height, and ◎ and zero is good in the judgement criteria below.
◎: can be shaped, not have defective in metallic substrate surface
Zero: can be shaped, metallic substrate surface does not have defective, and slipping plane has some variable colors
△: can be shaped, produce a spot gluing flaw on the metallic substrate surface
*: can be shaped, produce the linear bonding flaw in many places on the metallic substrate surface
In addition, the resin gas generation situation after the processing is judged that ◎ and zero is good in the judgement criteria below.
◎: do not have gas to produce
Zero: few resin gas
△: produce resin gas a little
*: produce resin gas in a large number
(6) to the spot welding evaluation of the property got ready continuously
The lubricant surface treated metal substrate material of 2,4 or 6 same kinds is overlapping, use the CF type Cr-Cu alloy electrode of point diameter 4.5mm, at plus-pressure 1961N and welding current as shown in table 1, carry out the spot welding solder flux of various lubricant surface treated metal substrate materials under conduction time.
Table 1
| The metal base kind | Welding current (kA) | Conduction time (cycle life during 50Kz) |
| The ferritic stainless steel steel plate | 4 | ?5 |
| The austenitic stainless steel steel plate | 4 | ?5 |
| The Martensite Stainless Steel steel plate | 4 | ?5 |
| The duplex stainless steel steel plate | 4 | ?5 |
| Cold-rolled steel sheet | 8 | ?5 |
| Electrogalvanizing steel plate | 8 | ?5 |
| Aluminium alloy plate | 12 | ?6 |
The investigation spot size is at 4t
1/2(t is the thickness of used a slice metal) following critical number of getting ready continuously exists, and ◎ and zero is good in the following judgement criteria.
◎: the critical number of getting ready continuously is at 5000 times or more than it
Zero: the critical number of getting ready continuously is discontented with 5000 times at 2500 times or more than it
△: the critical number of getting ready continuously is discontented with 2500 times at 1000 times or more than it
*: the critical number of getting ready continuously is discontented with 1000 times
Table 2
| Numbering | Metal base | The lubricating resin epithelium | The optional position is to the shortest distance in C zone (qualified zero, defective *) in the UC zone | Surface with respect to lubricant surface treated metal substrate material is whole, the area occupation ratio in UC zone (%) | Plasticity | Weldability | Remarks | |||||
| Kind | Surface arithmetic average roughness (μ m) | Form the coating of lubricating resin epithelium | Average leather film thickness (μ m) | The mould bonding | Resin gas | 2 welding | 4 welding | 6 welding | ||||
| ?1 ?2 ?3 ?4 ?5 ?6 ?7 ?8 ?9 ?10 ?11 ?12 | Ferritic stainless steel steel plate " " " " " " " " " " " | ??0.06 ??0.13 ??″ ????″ ????″ ????″ ????″ ????0.20 ??″ ????″ ????1.40 ??1.65 | Coating 1 " " " " " " " " " " " | ??0.20 ??0.34 ??0.65 ??0.90 ??0.07 ??0.78 ??1.23 ??0.36 ??0.66 ??0.83 ??0.61 ??0.62 | 00 no UC zones zero, no UC zone, 0000 * no UC zone * | ??15 ??23 ??7 ??1 ??81 ??0 ??0 ??39 ??12 ??0 ??40 ??79 | ?○ ??◎ ??◎ ??◎ ??× ??◎ ??◎ ??◎ ??◎ ??◎ ??○ ??× | ?◎ ??◎ ??◎ ??◎ ??△ ??◎ ??◎ ??◎ ??◎ ??◎ ??◎ ??○ | ?◎ ??◎ ??◎ ??◎ ??◎ ??◎ ??○ ??◎ ??◎ ??◎ ??◎ ??◎ | ?◎ ??◎ ??◎ ??○ ??◎ ??◎ ??× ??◎ ??◎ ??◎ ??◎ ??◎ | ?◎ ??◎ ??◎ ??○ ??◎ ??◎ ??× ??◎ ??◎ ??◎ ??◎ ??◎ | Embodiment " " " comparative example embodiment comparative example embodiment " " " comparative example |
| ?13 ?14 ?15 ?16 | ??″ ????″ ????″ ????″ | ??0.13 ??″ ????″ ????″ | Coating 2 " " " | ??0.38 ??0.05 ??0.84 ??1.22 | No UC zone, zero * no UC zone | ??13 ??65 ??0 ??0 | ?◎ ??× ??◎ ??◎ | ?◎ ??△ ??○ ??◎ | ?◎ ??◎ ??◎ ??○ | ?◎ ??◎ ??○ ??× | ?◎ ??◎ ??○ ??× | Embodiment comparative example embodiment comparative example |
| ?17 ?18 ?19 ?20 ?21 ?22 ?23 ?24 ?25 | ??″ ????″ ????″ ????″ ????″ ????″ ????″ ????″ ????″ | ??0.05 ??″ ????0.13 ??″ ????″ ????0.20 ??″ ????1.45 ??1.65 | Coating 3 " " " " " " " " | ??0.15 ??0.30 ??0.32 ??0.65 ??0.82 ??0.36 ??0.66 ??0.68 ??0.68 | ○ ○ ○ ○ ○ ○ ○ ○ × | ??28 ??3 ??28 ??7 ??1 ??39 ??12 ??40 ??55 | ?× ??○ ??○ ??◎ ??◎ ??○ ??◎ ??○ ??× | ?◎ ??◎ ??○ ??◎ ??◎ ??○ ??◎ ??○ ??× | ?◎ ??◎ ??◎ ??◎ ??◎ ??◎ ??◎ ??◎ ??◎ | ?◎ ??◎ ??◎ ??◎ ??○ ??◎ ??◎ ??◎ ??◎ | ?◎ ??◎ ??◎ ??○ ??○ ??◎ ??◎ ??◎ ??◎ | Comparative example embodiment " " " " " " comparative example |
| ?26 ?27 ?28 ?29 ?30 ?31 | ??″ ????″ ????″ ????″ ????″ ????″ | ??0.06 ??0.13 ??″ ????″ ????″ ????″ | Coating 4 " " " " " | ??0.29 ??0.38 ??0.65 ??0.09 ??0.82 ??1.08 | No UC zone, 000 * no UC zone | ??15 ??18 ??2 ??65 ??0 ??0 | ?○ ??◎ ??◎ ??× ??◎ ??◎ | ?◎ ??◎ ??○ ??○ ??○ ??△ | ?◎ ??◎ ??◎ ??◎ ??◎ ??○ | ?◎ ??◎ ??◎ ??◎ ??○ ??× | ?◎ ??◎ ??○ ??◎ ??○ ??× | Embodiment " " comparative example embodiment comparative example |
Table 3
| Numbering | Metal base | The lubricating resin epithelium | The optional position is to the shortest distance in C zone (qualified zero, defective *) in the UC zone | Surface with respect to lubricant surface treated metal substrate material is whole, the area occupation ratio in UC zone (%) | Plasticity | Weldability | Remarks | |||||
| Kind | Surface arithmetic average roughness (μ m) | Form the coating of lubricating resin epithelium | Average leather film thickness (μ m) | The mould bonding | Resin gas | 2 welding | 4 welding | 6 welding | ||||
| ?32 ?33 ?34 ?35 ?36 ?37 ?38 ?39 | Ferritic stainless steel steel plate " " " " " " " | ??0.20 ??″ ????″ ????″ ????0.81 ??″ ????1.45 ??1.65 | Coating 4 " " " " " " " | ??0.33 ??0.59 ??0.07 ??0.81 ??0.37 ??0.66 ??0.68 ??0.62 | 00 * no UC zone 000 * | ??19 ??8 ??70 ??0 ??44 ??8 ??40 ??66 | ?◎ ??◎ ??× ??◎ ??○ ??◎ ??○ ??△ | ?◎ ??◎ ??◎ ??○ ??◎ ??◎ ??○ ??△ | ?◎ ??◎ ??◎ ??◎ ??◎ ??◎ ??◎ ??◎ | ?◎ ??◎ ??◎ ??◎ ??◎ ??◎ ??◎ ??◎ | ?◎ ??◎ ??◎ ??○ ??◎ ??◎ ??◎ ??◎ | Embodiment " comparative example embodiment " " " comparative example |
| ?40 ?41 ?42 ?43 ?44 ?45 ?46 ?47 ?48 ?49 ?50 | ??″ ????″ ????″ ????″ ????″ ????″ ????″ ????″ ????″ ????″ ????″ | ??0.06 ??0.13 ??″ ????″ ????″ ????″ ????0.20 ??″ ????″ ????″ ????1.65 | Coating 5 " " " " " " " " " " | ??0.32 ??0.33 ??0.65 ??0.06 ??0.78 ??1.10 ??0.39 ??0.54 ??0.07 ??1.19 ??0.61 | 00 * no UC zone, no UC zone, 000 * no UC zone * | ??3 ??18 ??4 ??68 ??0 ??0 ??17 ??4 ??70 ??0 ??89 | ?◎ ??○ ??◎ ??× ??○ ??◎ ??○ ??◎ ??× ??◎ ??× | ?◎ ??○ ??◎ ??△ ??○ ??◎ ??◎ ??◎ ??△ ??△ ??○ | ?◎ ??◎ ??◎ ??◎ ??◎ ??○ ??◎ ??◎ ??◎ ??○ ??◎ | ?◎ ??◎ ??◎ ??◎ ??◎ ??× ??◎ ??◎ ??◎ ??× ??◎ | ?◎ ??◎ ??◎ ??◎ ??○ ??× ??◎ ??◎ ??◎ ??× ??○ | Embodiment " " comparative example embodiment comparative example embodiment " comparative example " " |
| ?51 ?52 ?53 ?54 ?55 ?56 ?57 ?58 | Austenitic stainless steel steel plate " " " " " " " | ??0.12 ??″ ????″ ????″ ????″ ????0.18 ??1.42 ??1.61 | Coating 1 " " " " " " " | ??0.20 ??0.59 ??0.79 ??0.07 ??1.27 ??0.62 ??0.60 ??0.56 | ○ ○ ○ × ○ ○ ○ × | ??15 ??7 ??1 ??81 ??0.5 ??8 ??40 ??55 | ?○ ??◎ ??◎ ??× ??◎ ??◎ ??○ ??× | ?◎ ??◎ ??◎ ??△ ??○ ??◎ ??○ ??○ | ?◎ ??◎ ??◎ ??◎ ??○ ??◎ ??◎ ??◎ | ?◎ ??◎ ??◎ ??◎ ??× ??◎ ??◎ ??◎ | ?◎ ??◎ ??○ ??◎ ??× ??◎ ??◎ ??△ | Embodiment " " comparative example " embodiment " comparative example |
| ?59 ?60 ?61 ?62 | ??″ ????″ ????″ ????″ | ??0.12 ??″ ????″ ????″ | Coating 2 " " " | ??0.37 ??0.90 ??0.06 ??1.02 | 000 no UC zones | ??13 ??1 ??35 ??0 | ?◎ ??◎ ??○ ??◎ | ?○ ??○ ??○ ??○ | ?◎ ??◎ ??◎ ??△ | ?◎ ??○ ??◎ ??× | ?◎ ??○ ??◎ ??× | Embodiment " " comparative example |
Table 4
| Numbering | Metal base | The lubricating resin epithelium | The optional position is to the shortest distance in C zone (qualified zero, defective *) in the UC zone | Surface with respect to lubricant surface treated metal substrate material is whole, the area occupation ratio in UC zone (%) | Plasticity | Weldability | Remarks | |||||
| Kind | Surface arithmetic average roughness (μ m) | Form the coating of lubricating resin epithelium | Average leather film thickness (μ m) | The mould bonding | Resin gas | 2 welding | 4 welding | 6 welding | ||||
| ??63 ??64 ??65 ??66 ??67 | Austenitic stainless steel steel plate " " " " | ??0.12 ??″ ????0.18 ??″ ????1.61 | Coating 3 " " " " | ??0.33 ??0.63 ??0.35 ??0.59 ??0.69 | ○ ○ ○ ○ × | ??16 ??4 ??39 ??8 ??55 | ?◎ ??◎ ??○ ??◎ ??× | ?◎ ??◎ ??◎ ??◎ ??△ | ?◎ ??◎ ??◎ ??◎ ??◎ | ?◎ ??◎ ??◎ ??◎ ??◎ | ?◎ ??◎ ??◎ ??○ ??○ | Embodiment " " " comparative example |
| ??68 ??69 ??70 ??71 ??72 ??73 ??74 ??75 ??76 ??77 ??78 | ??″ ????″ ????″ ????″ ????″ ????″ ????″ ????″ ????″ ????″ ????″ | ??0.12 ??″ ????″ ????″ ????″ ????0.18 ??″ ????″ ????″ ????″ ????1.61 | Coating 4 " " " " " " " " " " | ??0.38 ??0.67 ??0.09 ??0.77 ??1.29 ??0.38 ??0.59 ??0.10 ??0.83 ??1.23 ??0.50 | No UC zone, 00 * no UC zone, no UC zone, 00 * no UC zone * | ??28 ??9 ??65 ??0 ??0 ??12 ??3 ??49 ??0 ??0 ??56 | ?◎ ??◎ ??× ??◎ ??◎ ??○ ??◎ ??× ??◎ ??◎ ??× | ?◎ ??◎ ??△ ??◎ ??△ ??◎ ??◎ ??○ ??○ ??◎ ??× | ?◎ ??◎ ??◎ ??◎ ??× ??◎ ??◎ ??◎ ??◎ ??△ ??◎ | ?◎ ??◎ ??◎ ??◎ ??× ??◎ ??◎ ??◎ ??◎ ??× ??◎ | ?◎ ??◎ ??◎ ??○ ??× ??◎ ??◎ ??◎ ??○ ??× ??◎ | Embodiment " comparative example embodiment comparative example embodiment " comparative example embodiment comparative example " |
| ??79 ??80 ??81 ??82 | Martensite Stainless Steel steel plate " " " | ??0.15 ??″ ????″ ????″ | Coating 4 " " " | ??0.42 ??0.16 ??0.74 ??1.05 | No UC zone, zero * no UC zone | ??28 ??65 ??0 ??0 | ?◎ ??× ??◎ ??◎ | ?◎ ??◎ ??○ ??△ | ?◎ ??◎ ??◎ ??○ | ?◎ ??◎ ??◎ ??× | ?◎ ??◎ ??○ ??× | Embodiment comparative example embodiment comparative example |
| ??83 ??84 ??85 ??86 | Duplex stainless steel steel plate " " " | ??0.16 ??″ ????″ ????″ | Coating 4 " " " | ??0.33 ??0.11 ??0.85 ??1.23 | No UC zone, zero * no UC zone | ??27 ??65 ??0 ??0 | ?◎ ??× ??◎ ??◎ | ?◎ ??◎ ??○ ??× | ?◎ ??◎ ??◎ ??○ | ?◎ ??◎ ??○ ??× | ?◎ ??◎ ??○ ??× | Embodiment comparative example embodiment comparative example |
Table 5
| Numbering | Metal base | The lubricating resin epithelium | The optional position is to the shortest distance in C zone (qualified zero, defective *) in the UC zone | Surface with respect to lubricant surface treated metal substrate material is whole, the area occupation ratio in UC zone (%) | Plasticity | Weldability | Remarks | |||||
| Kind | Surface arithmetic average roughness (μ m) | Form the coating of lubricating resin epithelium | Average leather film thickness (μ m) | The mould bonding | Resin gas | 2 welding | 4 welding | 6 welding | ||||
| ?87 ?88 ?89 ?90 | Cold-rolled steel sheet " " " | ??0.77 ??″ ????1.38 ??1.65 | Coating 3 " " " | ??0.34 ??0.65 ??0.68 ??0.68 | ○ ○ ○ × | ??37 ??10 ??40 ??55 | ?○ ??○ ??○ ??× | ?○ ??○ ??○ ??△ | ?◎ ??◎ ??◎ ??◎ | ?◎ ??◎ ??◎ ??◎ | ?◎ ??◎ ??◎ ??○ | Embodiment " " comparative example |
| ?91 ?92 ?93 ?94 ?95 ?96 ?97 ?98 | ??″ ????″ ????″ ????″ ????″ ????″ ????″ ????″ | ??0.20 ??″ ????″ ????″ ????″ ????0.77 ??″ ????1.65 | Coating 4 " " " " " " " | ??0.33 ??0.59 ??0.11 ??0.79 ??1.12 ??0.31 ??0.66 ??0.62 | No UC zone, 00 * no UC zone 00 * | ??15 ??4 ??60 ??0 ??0 ??37 ??4 ??41 | ?○ ??◎ ??× ??◎ ??◎ ??○ ??◎ ??× | ?○ ??◎ ??× ??○ ??△ ??◎ ??◎ ??× | ?◎ ??◎ ??◎ ??◎ ??× ??◎ ??◎ ??◎ | ?◎ ??◎ ??◎ ??○ ??× ??◎ ??◎ ??◎ | ?◎ ??◎ ??◎ ??○ ??× ??◎ ??◎ ??○ | Embodiment " comparative example embodiment comparative example embodiment " comparative example |
| ?99 ?100 ?101 ?102 ?103 | Electrogalvanizing steel plate " " " " | ??0.83 ??″ ????″ ????1.21 ??1.70 | Coating 3 " " " " | ??0.34 ??0.65 ??0.90 ??0.68 ??0.68 | ○ ○ ○ ○ × | ??37 ??19 ??1 ??30 ??46 | ?○ ??◎ ??◎ ??○ ??× | ?○ ??◎ ??◎ ??○ ??× | ?◎ ??◎ ??◎ ??◎ ??◎ | ?◎ ??◎ ??○ ??◎ ??◎ | ?◎ ??◎ ??○ ??◎ ??○ | Embodiment " " " comparative example |
| ?104 ?105 ?106 | ??″ ????″ ????″ | ??0.83 ??″ ????1.70 | Coating 4 " " | ??0.19 ??0.66 ??0.82 | ○ ○ × | ??35 ??4 ??36 | ?○ ??◎ ??× | ?○ ??◎ ??△ | ?◎ ??◎ ??◎ | ?◎ ??◎ ??○ | ?◎ ??◎ ??○ | Embodiment " comparative example |
| ?107 ?108 ?109 ?110 ?111 | Aluminium alloy plate " " " " | ??0.19 ??″ ????″ ????1.00 ??1.88 | Coating 3 " " " " | ??0.59 ??0.82 ??1.22 ??0.68 ??0.68 | No UC zone, no UC zone, no UC zone zero * | ??0 ??0 ??0 ??30 ??46 | ?○ ??◎ ??◎ ??○ ??× | ?◎ ??○ ??△ ??○ ??× | ?◎ ??◎ ??◎ ??◎ ??◎ | ?◎ ??○ ??○ ??◎ ??◎ | ?◎ ??○ ??× ??◎ ??○ | Embodiment " comparative example embodiment comparative example |
From the result of table 2～5 as can be seen, satisfy the lubricant surface treated metal substrate material of constitutive requirements of the present invention, compare with the metal base that does not satisfy prerequisite of the present invention, plasticity and welding property excellent, particularly not only can resist strict drawing and forming, even under the strict welding conditions of the 4 or 6 overlapping welding of metal base, also have good weldability.
Claims (7)
1, the lubricant surface treated metal substrate material of a kind of plasticity and welding property excellent, be on arithmetic average roughness is at least a portion of metallic substrate surface of 0.03～1.5 μ m, to impose the lubricated surface that forms the lubricating resin epithelium to handle the lubricant surface treated metal substrate material that obtains, it is characterized in that, the integral body of above-mentioned lubricated surface treating part is coated with above-mentioned lubricating resin epithelium, and the average leather film thickness of above-mentioned lubricating resin epithelium is 0.1～0.9 μ m.
2, the lubricant surface treated metal substrate material of a kind of plasticity and welding property excellent, be on arithmetic average roughness is at least a portion of metallic substrate surface of 0.03～1.5 μ m, to impose the lubricated surface that forms the lubricating resin epithelium to handle the lubricant surface treated metal substrate material that obtains, it is characterized in that, on the above-mentioned lubricated surface into treatment sites, the zone of the above-mentioned lubricating resin epithelium that has been covered and the zone coexistence that does not have lining, the average leather film thickness in above-mentioned lubricating resin epithelium zone of being covered is 0.2～1.2 μ m, and the optional position in the zone of the above-mentioned lubricating resin epithelium that never is covered begin to the zone of the above-mentioned lubricating resin epithelium that is not covered and the above-mentioned zone that the lubricating resin epithelium arranged near the slant range on border at 60 μ m or below it.
3, lubricant surface treated metal substrate material as claimed in claim 2 is characterized in that: the total area in the zone of the above-mentioned lubricating resin epithelium that is not covered, account for above-mentioned imposed metallic substrate surface integral body that lubricated surface handles 45% or below it.
4, as claim 1 or 2 described lubricant surface treated metal substrate materials, it is characterized in that: above-mentioned metal base is common iron, stainless steel, plating steel, aluminium or aluminum alloy materials.
5, lubricant surface treated metal substrate material as claimed in claim 2 is characterized in that: above-mentioned metal base is sheet material, band, bar, shape material, tubing, wire rod.
6, as claim 4 or 5 described lubricant surface treated metal substrate materials, it is characterized in that: above-mentioned metal base, any for cold-rolled steel sheet, austenitic stainless steel steel plate, ferritic stainless steel steel plate, Martensite Stainless Steel steel plate, duplex stainless steel steel plate, steel plate galvanized.
7, as claim 1 or 2 described lubricant surface treated metal substrate materials, it is characterized in that: above-mentioned lubricating resin epithelium, contain urethane resin at least, modified polyurethane resin, acrylic resin, acrylic resin modified, Resins, epoxy, modified epoxy, olefin resin, modified olefin resin, vibrin, modified polyester resin, Synolac, aminoresin, modified aminoresin, silicone resin, modified organic silicone resin, fluoro-resin, a kind of in the modified fluorin resin or two kinds or its above resinous principle and form with respect to the lubricating function imparting agent of dry epithelium 1～30 quality %.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003321440A JP2005089780A (en) | 2003-09-12 | 2003-09-12 | Lubricating surface-treated metallic base material excellent in formability and weldability |
| JP321440/2003 | 2003-09-12 |
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| Publication Number | Publication Date |
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| CN1613986A true CN1613986A (en) | 2005-05-11 |
| CN100457877C CN100457877C (en) | 2009-02-04 |
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| CNB2004100747016A Expired - Lifetime CN100457877C (en) | 2003-09-12 | 2004-09-13 | Lubricant surface treated metal substrate material with excellent forming property and well welding property |
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| Country | Link |
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| JP (1) | JP2005089780A (en) |
| KR (1) | KR100653456B1 (en) |
| CN (1) | CN100457877C (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP2005089780A (en) | 2005-04-07 |
| CN100457877C (en) | 2009-02-04 |
| KR100653456B1 (en) | 2006-12-04 |
| KR20050027161A (en) | 2005-03-17 |
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