CN100549213C - The quinary alloy coating material and the manufacture method thereof of high anti-corrosion plated steel material - Google Patents
The quinary alloy coating material and the manufacture method thereof of high anti-corrosion plated steel material Download PDFInfo
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- CN100549213C CN100549213C CNB2007101439571A CN200710143957A CN100549213C CN 100549213 C CN100549213 C CN 100549213C CN B2007101439571 A CNB2007101439571 A CN B2007101439571A CN 200710143957 A CN200710143957 A CN 200710143957A CN 100549213 C CN100549213 C CN 100549213C
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Abstract
The present invention relates to a kind of quinary alloy coating material and manufacture method thereof of high anti-corrosion plated steel material, wherein said coating material comprises by Al, Si, Mg, the quinary alloy that Zn and a kind of rare earth element are formed, the mass percent of each composition of wherein said quinary alloy is: Al:45-69%, Si:0.2-3%, rare earth element: 0.02-0.9%, Mg:0.1-5%, Zn is a surplus, described manufacture method comprises carries out proportioning according to the above ratio with each component, and earlier with Al and Si, Al and RE, the form that Zn and Mg are mixed with master alloy respectively adds smelting furnace again and founds alloy, smelting temperature is 750-800 ℃, pass through refining again through contactless stirring, slagging-off, Jiao Zhu alloy pig at last, adopt quinary alloy coating material plated steel material of the present invention, high solidity to corrosion and good anti-fatigue performance are arranged, strong with the matrix metal bonding force, can be widely used in household electrical appliances, building materials, automobile industry.
Description
Technical field
The present invention relates to a kind of quinary alloy coating material and manufacture method thereof, especially a kind of quinary alloy coating material and manufacture method thereof of high anti-corrosion plated steel material.
Background technology
On current domestic and international market, because increasing to pot galvanize or hot-dip galvanized alloy steel plate demand in the fields such as household electrical appliances, building materials, automobile, but most of producer is still in production with use traditional hot-dip galvanizing sheet steel (band) or only contain the hot-dip galvanizing sheet steel (band) of 0.1～0.2%Al.There are a lot of defectives in this product, work-ing life is short, only 10 years left and right sides time promptly produced the defective of corrosion, and machining property is poor, and coating causes damage easily because of stretching, particularly in that to be higher than under the condition of room temperature etch resistant properties poor, the easy embrittlement of coating and matrix metal junction, easily oxidation generates firecoat, and anti-fatigue performance is poor, after bended several times, be easy to generate be full of cracks, coating decortication phenomenon occurs.
For solving the problems of the technologies described above, prior art proposes a lot of relevant technical schemes, as author Wu Junlin, Yu Zhongxing, in two pieces of articles of " trace additives is to the hot galvanized layer Effect on Performance " that Zhu Yongda delivers on periodical " Shanghai non-ferrous metal " by name and " trace adds the influence of rare earth to the zinc base alloy coating performance ", all mention in temperature zinc layer and to add trace rare-earth element or other elements such as magnesium etc. can play beneficial effect, but these two pieces of articles only stay in learned research, how relate to various concrete elements adds on earth and does not still have final conclusion at present, even as add how many optimums at " trace additives is to the hot galvanized layer Effect on Performance " described additive containing aluminium that has been commonly used and still do not have final conclusion, and because various elements are not quite similar to the influence that hot-dip galvanizing sheet steel produced, or even opposite effect, therefore can not be simply at binary (Zn-Al) or ternary alloy (Zn-Al-Si, Zn-Al-rare earth or the like) adds other trace elements on the basis arbitrarily as magnesium elements, and in these two parts of periodical literatures also for providing the technology enlightenment that how magnesium elements is joined in binary or the ternary alloy, although therefore science has recognized that in theory adding some element can play beneficial effect, but because influencing each other between element and the element causes coating material so far at most still to be made up of ternary alloy, still fail to solve the technical barrier how more alloys form, described as ending up " the research great majority still rest on laboratory stage both at home and abroad at present; have only the minority alloy to be applied to produce " in " trace additives is to the hot galvanized layer Effect on Performance ", therefore, the coating material that how to form more the more first alloy is pendent technical problem always.
The applicant is by research repeatedly, overcome technical difficulty, successful realization the coating material formed by the Al-Zn-Si-RE quad alloy and proposed related application CN1807667A, on this basis, for further improving the performance of the coating material among the CN1807667A, the present invention has further overcome the difficult problem of technology, has done further improvement again.
Summary of the invention
At the technical barrier that only can realize ternary or quad alloy coating material in the prior art, the object of the invention is to provide a kind of quinary alloy coating material and manufacture method thereof of high anti-corrosion plated steel material, with corrosion resistance and the resistance to elevated temperatures that improves plated steel material better, prolong the work-ing life of steel, improve the surface quality of steel.
Quinary alloy coating material of the present invention comprises the quinary alloy of being made up of Al, Si, Mg, Zn alloy and a kind of rare earth element, the mass percent of each composition of wherein said quinary alloy is: Al:45-69%, Si:0.2-3%, rare earth element: 0.02-0.9%, Mg:0.1-5%, Zn are surplus.
Preferably, add trace additives in coating material, the trace additives of adding is Fe, Pb, Mn, Ca, Cu, one or more among the Sb.
More preferably, the adding total content of trace additives is below 0.5%.
Wherein, according to the difference of the concrete composition of the trace additives that adds, the concrete add-on of controlling each composition is respectively Fe＜0.3%, Pb＜0.1%, Mn＜0.1%, Ca＜0.1%, Cu＜0.1%, Sb＜0.1%.
On the other hand, the invention also discloses a kind of method of making the quinary alloy coating material, wherein coating material comprises the quinary alloy of being made up of Al, Si, Mg, Zn and a kind of rare earth element, with described quinary alloy be by mass percentage: Al:45-69%, Si:0.2-3%, rare earth element: 0.02-0.9%, Mg:0.1-5%, Zn is that surplus is carried out melting in the proportioning adding smelting furnace, smelting temperature is 750-800 ℃, pass through refining, slagging-off again through contactless stirring, at last Jiao Zhu alloy pig.
The form that wherein preferably Al and Si, Al and RE, Zn and Mg is mixed with master alloy respectively adds smelting furnace again and founds alloy.
Induction stirring is adopted in wherein said contactless stirring.
Form master alloy by the prefabricated realization of smelting furnace.
Simultaneously, the invention also discloses a kind of high anti-corrosion plated steel material, described high anti-corrosion plated steel material plating quinary alloy coating material, described coating material comprises the quinary alloy of being made up of Al, Si, Mg, Zn and a kind of rare earth element, the mass percent of each composition of wherein said quinary alloy is: Al:45-69%, Si:0.2-3%, rare earth element: 0.02-0.9%, Mg:0.1-5%, Zn are surplus.
Adopt technical scheme of the present invention, compared with prior art, behind the adding magnesium elements,,, possess following tangible technique effect by the mass percent of each composition of reasonable configuration owing to overcome influence each other of each element and the side effect that is produced:
1, zinc subcarbonate is become and stablize the difficult loose ZnO that forms more.
2, in the coating rare earth element is arranged, add the effect that magnesium has intensified rare earth element, presenting higher solidity to corrosion is more than 5 times of Zn-coated steel sheet, and particularly the solidity to corrosion of swarf is more outstanding.
3, add magnesium elements in the coating, the zinc-plated floor height of coating surface hardness ratio, frictional coefficient is littler than steel plate galvanized, and it is good to add the man-hour sliding, is difficult for producing slide mark.
4, coating surface light, anti-blackening.
5, existing rare earth element has magnesium elements again in the coating alloy, improve alloy liquid flowability and wetting property in the zinc pot, coating not only increases with the matrix metal bonding force, and coating surface does not have the dross phenomenon, to alleviate the polishing workload, improve simultaneously immersion roller work-ing life again.
Simultaneously, this quinary alloy coating material adopts unique prepared, the uniform ingredients segregation-free, remelting or remelting still can keep this effect after placing for a long time, and end slag growing amount is few, high solidity to corrosion and good anti-fatigue performance are arranged, strong with the matrix metal bonding force, can be widely used in household electrical appliances, building materials, automobile industry.
Embodiment
The quinary alloy coating material of high anti-corrosion plated steel material of the present invention comprises the quinary alloy of being made up of Al, Si, Mg, Zn and a kind of rare earth element, some preferred specific embodiments of each composition mass percent among the present invention have been listed in the table 1, but the content of each composition of the present invention is not limited to numerical value listed in the table 1, to those skilled in the art, can on the basis of the listed numerical range of table 1, rationally summarize and derive fully.
Table 1: each composition accounts for the mass percentage content of total mass.Unit (%)
| Al | Zn | Si | Mg | Rare earth element | Trace additives (total amount) Fe, Pb, Mn, Ca, Cu, Sb |
| 45 | Surplus | 0.2 | 0.1 | 0.02 | 0.01 |
| 51 | Surplus | 0.7 | 0.5 | 0.05 | 0.03 |
| 57 | Surplus | 1.2 | 1.0 | 0.1 | 0.1 |
| 63 | Surplus | 1.7 | 2.0 | 0.5 | 0.45 |
| 69 | Surplus | 3 | 5.0 | 0.9 | 0.49 |
As can be seen from Table 1: the scope of the mass percent of each composition optimum of quinary alloy is described in the quinary alloy coating material of the present invention: Al:45-69%, and Si:0.2-3%, rare earth element: 0.02-0.9%, Mg:0.1-5%, Zn are surplus.
Preferably, the adding total content optimum of trace additives is below 0.5% in coating material, and the trace additives of adding can be Fe, Pb, Mn, Ca, Cu, one or more among the Sb, wherein, according to the difference of the concrete composition of the trace additives that adds, the concrete add-on of controlling each composition is respectively Fe＜0.3%, Pb＜0.1%, Mn＜0.1%, Ca＜0.1%, Cu＜0.1%, Sb＜0.1%.
On the other hand, the invention also discloses a kind of method of making the quinary alloy coating material, wherein coating material comprises the quinary alloy of being made up of Al, Si, Mg, Zn and a kind of rare earth element, with described quinary alloy be by mass percentage: Al:45-69%, Si:0.2-3%, rare earth element: 0.02-0.9%, Mg:0.1-5%, Zn is that surplus is carried out melting in the proportioning adding smelting furnace, smelting temperature is 750-800 ℃, pass through refining, slagging-off again through contactless stirring, at last Jiao Zhu alloy pig.
The form that wherein preferably Al and Si, Al and RE, Zn and Mg is mixed with master alloy respectively adds smelting furnace again and founds alloy.
Induction stirring is adopted in wherein said contactless stirring.
Described formation master alloy is by the prefabricated realization of smelting furnace.
Refining agent uses rare gas element, and refining finishes, and checks the metal air content, the casting ingot-forming of skimming after qualified, and ingot casting is of a size of 1400 * 580 * 475mm, or 680 * 90 * 60mm.
Simultaneously, the invention also discloses a kind of high anti-corrosion plated steel material, described high anti-corrosion plated steel material plating quinary alloy coating material, described coating material comprises the quinary alloy of being made up of Al, Si, Mg, Zn and a kind of rare earth element, the mass percent of each composition of wherein said quinary alloy is: Al:45-69%, Si:0.2-3%, rare earth element: 0.02-0.9%, Mg:0.1-5%, Zn are surplus.
Adopt, technical scheme of the present invention, compared with prior art, after adding magnesium elements, because by reasonably disposing the mass percent of each composition, the impact each other of each element and the side effect that produces have been overcome, possessed obvious technique effect, simultaneously, this quinary alloy coating material adopts Particular craft preparation, uniform ingredients segregation-free, remelting or remelting still can keep this effect after placing for a long time, and end slag growing amount is few, and finished product high corrosion-resistant plated steel material has high corrosion resistance and good anti-fatigue performance, can be widely used in household electrical appliances, building materials, automobile industry.
Claims (8)
1, a kind of quinary alloy coating material, it is characterized in that described coating material comprises the quinary alloy of being made up of Al, Si, Mg, Zn and a kind of rare earth element, the mass percent of each composition of wherein said quinary alloy is: Al:45-69%, Si:0.2-3%, rare earth element: 0.02-0.9%, Mg:0.1-5%, Zn are surplus.
2, quinary alloy coating material as claimed in claim 1, wherein said coating material also comprises trace additives, described trace additives is selected from Fe, Pb, Mn, Ca, Cu, one or more among the Sb, and the total content of described trace additives is below 0.5%.
3, quinary alloy coating material as claimed in claim 2, concrete content F e＜0.3% of wherein said each composition of trace additives, Pb＜0.1%, Mn＜0.1%, Ca＜0.1%, Cu＜0.1%, Sb＜0.1%.
4, a kind of method of making the quinary alloy coating material, described coating material comprises the quinary alloy of being made up of Al, Si, Mg, Zn and a kind of rare earth element, with described quinary alloy be by mass percentage: Al:45-69%, Si:0.2-3%, rare earth element: 0.02-0.9%, Mg:0.1-5%, Zn is that surplus is carried out proportioning, adds melting in the smelting furnace, and smelting temperature is 750-800 ℃, pass through refining, slagging-off again through contactless stirring, pour into alloy pig at last.
5, method as claimed in claim 4, the form that wherein earlier Al and Si, Al and RE, Zn and Mg is mixed with master alloy respectively adds melting in the smelting furnace again.
6, method as claimed in claim 4, induction stirring is adopted in wherein said contactless stirring.
7, method as claimed in claim 5, the described form of master alloy that is mixed with is by the prefabricated realization of smelting furnace.
8, a kind of high anti-corrosion plated steel material, it is characterized in that described high anti-corrosion plated steel material plating quinary alloy coating material, described coating material comprises the quinary alloy of being made up of Al, Si, Mg, Zn and a kind of rare earth element, the mass percent of each composition of wherein said quinary alloy is: Al:45-69%, Si:0.2-3%, rare earth element: 0.02-0.9%, Mg:0.1-5%, Zn are surplus.
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| CN101617961B (en) * | 2008-06-30 | 2011-12-21 | 北京圣玛特科技有限公司 | Titanium-based quinary alloy, product thereof and preparation method thereof |
| CN101935789B (en) * | 2009-11-19 | 2012-03-07 | 江苏麟龙新材料股份有限公司 | Hot-dipped cast aluminum alloy containing Al-Zn-Si-Mg-RE-Ti-Ni and manufacturing method thereof |
| CN102304652B (en) * | 2009-11-19 | 2012-11-14 | 江苏麟龙新材料股份有限公司 | Hot dip plated cast aluminum alloy containing Al-Zn-Si-Mg-RE-Ti and preparation method thereof |
| CN101736265B (en) * | 2009-12-28 | 2012-02-22 | 江苏麟龙新材料股份有限公司 | Aluminum-silicon-zinc-rare earth-magnesium-ferrum-copper-zirconium-containing hot dip coating alloy and method for preparing same |
| CN101736231B (en) * | 2009-12-28 | 2011-06-29 | 江苏麟龙新材料股份有限公司 | Aluminum-silicon-zinc-rare earth-magnesium-copper-zirconium-containing hot dip coating alloy and method for preparing same |
| CN101736234B (en) * | 2009-12-28 | 2012-03-21 | 江苏麟龙新材料股份有限公司 | Aluminum-silicon-zinc-rare earth-magnesium-ferrum-chromium-containing hot dip coating alloy and method for preparing same |
| CN110359002A (en) * | 2019-08-13 | 2019-10-22 | 山东冠洲股份有限公司 | A kind of high alumina hot galvanizing almag steel plate and its production method |
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Denomination of invention: Quinary alloy coating material for high corrosion resistance coating steel products and manufacturing method thereof Effective date of registration: 20100914 Granted publication date: 20091014 Pledgee: Jiangsu Xizhou rural commercial bank Limited by Share Ltd Pledgor: Wuxi Linlong Aluminium Co., Ltd. Registration number: 2010990000885 |
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Address after: 214183, Wuxi, Jiangsu province Huishan jade Town Industrial Zone Patentee after: Jiangsu Linlong New Materials Co., Ltd. Address before: 214183, Wuxi, Jiangsu province Huishan jade Town Industrial Zone Patentee before: Wuxi Linlong Aluminium Co., Ltd. |