CN100469931C - Cermet composition and method for preparing cermet coat on metal surface - Google Patents
Cermet composition and method for preparing cermet coat on metal surface Download PDFInfo
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- CN100469931C CN100469931C CNB2007100548656A CN200710054865A CN100469931C CN 100469931 C CN100469931 C CN 100469931C CN B2007100548656 A CNB2007100548656 A CN B2007100548656A CN 200710054865 A CN200710054865 A CN 200710054865A CN 100469931 C CN100469931 C CN 100469931C
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Abstract
A metal-ceramic composition and coating it on metal surface are both disclosed herewith. It consists both parts of mixed powders containing Cr, B, Si, Fe, Al, La rare-earth oxides and Ni, and carbide materials, TiC or WC. It is coated as following: mixing metal-ceramic composition with polyvinyl alcohol or ethyl estate as binding agent to be slurry, coating it onto metal surface, drying, and firing in gas protecting furnace or vacuum furnace to obtain metal-ceramic coated metal parts. It is available to various shaped parts with different materials, and reduces energy consumption.
Description
Technical field
The invention belongs to the coating for metal surfaces technical field, relate to a kind of cermet composition, and the method for preparing metal-ceramic coating in the metallic surface.
Background technology
The equipment of petroleum chemical industry, member all exist burn into abrasion and erosion problem under many working conditions.If adopt single material to satisfy existing high intensity, toughness, the requirement of good anti-corrosion, wear resisting property is arranged again, be unapproachable.The surface property of material directly influences the work-ing life of equipment, member.Adopt process for treating surface, can change composition, the structure of metal component surface, thereby improve the physical and chemical performance of material surface.In recent years, improving aspect wear-resisting, the corrosion resisting property of metal base surface coating, the multiple coating for metal surfaces for preparing---the method for metal-ceramic coating has appearred; But also there is certain problem at aspects such as the simplification of processing unit and technological process, coating qualities.
Chinese patent CN1772710A provides to utilize from spreading centrifuging and has made the method for layer of metal pottery at steel pipe internal-surface.Its prescription is made up of brown iron oxide, aluminium powder, anhydrous wolframic acid powder, Graphite Powder 99.Under high temperature and action of centrifugal force, obtain the cermet lining steel pipe.Cermet lining steel pipe, the composition of different systems are adjustable, technology is simple though this method can prepare, and only are applicable to preparation cermet lining in the steel pipe, but also need carry out the aftertreatment of oxide compound slag blanket to the cermet lining surface.CN1570208A relates to a kind of preparation technology of surface of high speed steel coating.Component obtains the ternary boride cement coating with the high speed steel substrate mortise by the powder constituent of FeB, Mo, Ni, Cr, Fe behind the sintering.It can solve rapid steel goods wear resistance, thermotolerance defect of insufficient, improves its work-ing life, but is confined to the processing of rapid steel goods, and the treatment temp height, wastes energy.CN1502714A discloses ternary boride base metal ceramic covering layer material and preparation technology.The composition of cermet cladding material is Mo, B, C, Cr, Ni, Ti, Cu, and all the other are Fe.Adopt slip preparation technology, body formation technology and liquid sintering technology, prepare ternary boride base metal ceramic covering layer material at metal base surface.Its raw material sources are wide, be easy to get, cost performance is reasonable, and technology is simple, easy to operate, strong to the adaptation of metal matrix material, processing quality is reliable.But the problem that the batch mixes lifetime is long, energy consumption is high, cost is high is difficult for realizing suitability for industrialized production.The casting molding processes that proposes can only be handled flat board, and complex-shaped member is difficult to realize.CN1361084A discloses a kind of sintering titanium carbide cermet while and structure iron weldprocedure, and its prescription is made up of Al, Ti, TiC.This explained hereafter efficient height, welding strength height, do not need special welding set; Steel plate is handled easily, but, be prepared the metal ceramic powder pressed compact and just be difficult to realize, will increase complicated process if realize to baroque workpiece.
Summary of the invention
Technical problem to be solved by this invention is: existing employing cermet composition prepares the metal works that is not suitable for multiple shape or material that the technology of metal-ceramic coating exists respectively, energy consumption than problems such as height in the metallic surface.
For addressing the above problem, the technical solution used in the present invention is:
A kind of cermet composition, be used for preparing metal-ceramic coating in the metallic surface, it is characterized in that: the gross weight in cermet composition is a benchmark, form by the mixed powder of 30～85 weight % and the mechanically resistant material of 15～70 weight %, described mixed powder, gross weight in mixed powder is a benchmark, Cr by 5～8 weight %, the B of 2～6 weight %, the Si of 3～5 weight %, the Fe of 2～5 weight %, 0.1 the Al of～5 weight %, 0.1 the Ni of the lanthanide rare earth oxide of～1.5 weight % and 69.5～87.8 weight % forms, described mechanically resistant material is wolfram varbide and/or titanium carbide, described lanthanide rare earth oxide, in its gross weight is benchmark, consist of the lanthanum trioxide of 52～55 weight %, 26.6 the Neodymium trioxide of～28.6 weight %, 14.4 the Praseodymium trioxide of～16 weight %, surplus are impurity.
Adopt above-mentioned cermet composition to prepare the method for metal-ceramic coating in the metallic surface, it is characterized in that forming by following steps:
A. cermet composition being mixed stirring with binding agent polyvinyl alcohol or vinyl acetic monomer, be modulated into slip, is benchmark in the gross weight of slip, and the content of cermet composition is 90～95 weight %, and the content of binding agent is 5～10 weight %;
B. slip is coated in the metal works surface with the thickness of 0.1～2mm;
C. will apply metal works dry 30～100min under 50～110 ℃ of temperature of slip;
D. dried metal works is inserted in gas shield stove or the vacuum oven; carry out sintering processes by following program: the heat-up rate with 8～15 ℃/min is warming up to 400～450 ℃ from room temperature; insulation 5～10min; heat-up rate with 6～10 ℃/min is warming up to 900～1000 ℃ from 400～450 ℃ again; then the heat-up rate with 3～8 ℃/min is warming up to 1050～1150 ℃ from 900～1000 ℃; insulation 8～50min; afterwards with the stove air cooling to room temperature, obtain having the metal works of metal-ceramic coating.
The method that adopts cermet composition of the present invention and prepare metal-ceramic coating in the metallic surface, has following beneficial effect: the slip that (1) cermet composition and binding agent are modulated into, be to be coated in metal works surface (generally being to use brush to apply) with coating method, thereby for the multiple shape metal works of (comprising complicated shape), can both at an easy rate slip be covered on the metallic surface, finally form metal-ceramic coating in the metallic surface; (2) be applicable to the metal works of various material, can regulate the sintering metal system component, the different metal-ceramic coating of preparation on the metallic surface according to actual working conditions.The material of metal works can be low alloy steel, soft steel, medium carbon steel, high carbon steel, rapid steel or chromemolybdenum steel (for example Cr5Mo steel, No. 45 carbon steels, No. 20 carbon steels or No. 10 carbon steels).For firm metallurgical body combines, coating porosity is low, bright and clean, fine and close, hardness is high, stable performance between coating and the metallic matrix, have the snappiness of metal concurrently and ceramic higher wear-resistingly, anti-wash away, corrosion-resistant and resistance toheat; It is corrosion-resistant, wear resisting property can improve more than 10 times than carbon steel base material; (3) batching of cermet composition, only need simply mix relevant component and get final product, and process is simple, the time is short; The preparation technology of metal-ceramic coating is simple, easy to operate, be easy to suitability for industrialized production; Preparation process does not need aftertreatment is carried out on the surface of metal-ceramic coating after finishing, and temperature dry, sintering step is not high, the time is shorter.Therefore, energy consumption of the present invention, cost are all lower.
The present invention is specially adapted to the surface preparation metal-ceramic coating of high pressure line elbow, tapered pipeline, tower inner member, valve, pump and the impeller of working under the petroleum chemical industry corrosive environment, performances such as it is corrosion-resistant, wear-resisting to improve, anti-impact erosion, problems such as the burn into erosion of devices such as refinery often reduces pressure in order to solve, catalytic cracking, abrasion provide a kind of effective means.
The present invention is further detailed explanation below in conjunction with embodiment and embodiment.Embodiment and embodiment do not limit the scope of protection of present invention.
Embodiment
Cermet composition of the present invention is a benchmark in the gross weight of cermet composition, is made up of the mixed powder of 30～85 weight % and the mechanically resistant material of 15～70 weight %.Weight % represents weight percentage.
Described mixed powder, gross weight in mixed powder is a benchmark, is made up of the lanthanide rare earth oxide of Al, 0.1～1.5 weight % of Fe, 0.1～5 weight % of Si, 2～5 weight % of B, 3～5 weight % of Cr, 2～6 weight % of 5～8 weight % and the Ni of 69.5～87.8 weight %.
Described lanthanide rare earth oxide is lanthanum trioxide (La
2O
3), Neodymium trioxide (Nd
2O
3), Praseodymium trioxide (Pr
6O
11) mixture.Gross weight in lanthanide rare earth oxide is a benchmark, consists of the lanthanum trioxide of 52～55 weight %, the Neodymium trioxide of 26.6～28.6 weight %, the Praseodymium trioxide of 14.4～16 weight %, and surplus is an impurity.Impurity comprises calcium oxide (CaO), ferric oxide (Fe
2O
3), silicon-dioxide (SiO
2), Samarium trioxide (Sm
2O
3), europium sesquioxide (Eu
2O
3), gadolinium sesquioxide (Gd
2O
3), yttrium oxide (Y
2O
3) etc.Add above-mentioned lanthanide rare earth oxide, the performance of metal-ceramic coating is improved, further improve its corrosion resisting property.
Described mechanically resistant material is wolfram varbide (WC) and/or titanium carbide (TiC), is a kind of in wolfram varbide and the titanium carbide or the mixture of the two.When mechanically resistant material is selected wolfram varbide and two kinds of carbide of titanium carbide for use, be benchmark in the gross weight of mechanically resistant material, wolfram varbide content is 50～90 weight %, and titanium carbide content is 10～50 weight %.The effect of above-mentioned mechanically resistant material mainly is in order to improve wear-resisting, the abrasion resistance energy of metal-ceramic coating.In sintering process, the mixed powder fusion, and wolfram varbide, titanium carbide powder still are in solid state, and keep original high rigidity.Because the sintering parameter control is combined into one the microstructure of coating and the microstructure of metallic matrix fully.Because the metal in the mixed powder fully fuses, and can eliminate the hole of metal-ceramic coating substantially.
The particle diameter of above-mentioned mixed powder and mechanically resistant material preferably is 40～50 μ m, their all commercially available acquisitions.With each component of mixed powder and with mixed powder and mechanically resistant material in proportion at room temperature thorough mixing evenly after, promptly be mixed with cermet composition of the present invention.
The cermet composition of employing the invention described above prepares the method for metal-ceramic coating in the metallic surface, be made up of following steps:
A. cermet composition is mixed stirring with binding agent polyvinyl alcohol or vinyl acetic monomer, be modulated into slip.Gross weight in slip is a benchmark, and the content of cermet composition is 90～95 weight %, and the content of binding agent is 5～10 weight %.
B. slip is coated in the metal works surface with the thickness of 0.1～2mm.
Before coating, need the metal works surface is cleaned.Adopting method commonly used, clean with washing composition (for example acetone, alcohol, liquid detergent etc.), mainly is to deoil, decontamination, derust, and makes the metal works cleaning surfaces.
The cleaning on above-mentioned steps A, B and metal works surface is all at room temperature carried out.
The metal works that C. will apply slip under 50～110 ℃ of temperature dry 30～100min (minute).Drying is preferably in the drying oven carries out (can adopt the conventional drying stove); During size-constrained system, also available blower fan dries up.
D. dried metal works is inserted in gas shield stove or the vacuum oven, carry out sintering processes by following program: the heat-up rate with 8～15 ℃/min is warming up to 400～450 ℃ from room temperature, insulation 5～10min.Be warming up to 900～1000 ℃ with the heat-up rate of 6～10 ℃/min from 400～450 ℃ again, then the heat-up rate with 3～8 ℃/min is warming up to 1050～1150 ℃, insulation 8～50min from 900～1000 ℃.Afterwards with the stove air cooling to room temperature, obtain having the metal works of metal-ceramic coating.
In above-mentioned step B, the coating thickness of slip is preferably 0.1～1mm.
In above-mentioned step D, the used protection gas of gas shield stove is reducing gas, or rare gas element (for example argon gas).Hydrogen and nitrogen that protection gas preferably adopts the ammonia destruction furnace cracked ammonium to be produced.The vacuum tightness of vacuum oven is generally 1.0 * 10
-3～1.0Pa.Described gas shield stove, ammonia destruction furnace, vacuum oven all can adopt conventional equipment.
The material of above-mentioned metal works can be low alloy steel, soft steel, medium carbon steel, high carbon steel, rapid steel or chromemolybdenum steel, for example Cr5Mo steel, No. 45 carbon steels, No. 20 carbon steels or No. 10 carbon steels.
Embodiment
In following embodiment 1～5, all commercial acquisition of all raw materials.Except that drying, sintering step, all the other each steps are all at room temperature carried out.Metal works is before applying slip, and the surface all cleans up.The used protection gas of gas shield stove is hydrogen and the nitrogen that the ammonia destruction furnace cracked ammonium is produced.
The corrosion resistance nature of the metal-ceramic coating of the present invention that embodiment 1～5 is prepared sees Table 1, and table 1 has listed file names with other several metallic substance to compare.In the table 1, the partial analysis of alkaline residue the results are shown in Table 2 in the described corrosive medium.
Embodiment 1
Mixed powder and the 20 weight % particle diameters that with 80 weight % particle diameters are 40～50 μ m are that the wolfram varbide of 40～50 μ m mixes, and are mixed with cermet composition of the present invention; Weight % wherein is a benchmark in the gross weight of cermet composition.Mixed powder is made up of the lanthanide rare earth oxide of Al, the 0.3 weight % of Fe, the 4.9 weight % of Si, the 4 weight % of B, the 5 weight % of Cr, the 4 weight % of 8 weight % and the Ni of 73.8 weight %, and weight % wherein is a benchmark in the gross weight of mixed powder.Described lanthanide rare earth oxide is a benchmark in its gross weight, consists of the lanthanum trioxide of 54 weight %, the Neodymium trioxide of 26.6 weight %, the Praseodymium trioxide of 14.4 weight %, and surplus is an impurity.Impurity mainly comprises calcium oxide, ferric oxide, silicon-dioxide, Samarium trioxide, europium sesquioxide, gadolinium sesquioxide, yttrium oxide etc.; Following examples herewith.
Pending metal works, material are No. 20 carbon steels; Be shaped as rectangular parallelepiped, long 50mm, wide 20mm, thick 2mm.
Above-mentioned cermet composition and binding agent polyvinyl alcohol (polyvinyl alcohol is commercial above synthetic board, and following examples herewith) are mixed and stir, be modulated into slip; Gross weight in slip is a benchmark, and the content of cermet composition is 94 weight %, and the content of polyvinyl alcohol is 6 weight %.Slip is coated in the metal works surface with the thickness of 0.5mm, again workpiece is inserted in the drying oven dry 60min under 80 ℃ of temperature.Dried metal works is inserted in the gas shield stove, carry out sintering processes by following program: the heat-up rate with 10 ℃/min is warming up to 420 ℃ from room temperature, insulation 6min.Be warming up to 1000 ℃ with the heat-up rate of 8 ℃/min from 420 ℃ again, then the heat-up rate with 5 ℃/min is warming up to 1050 ℃, insulation 10min from 1000 ℃.Afterwards with the stove air cooling to room temperature, obtain having the metal works of metal-ceramic coating.Corrosion resistance nature sees Table 1.
Embodiment 2
Mixed powder and the 15 weight % particle diameters that with 85 weight % particle diameters are 40～50 μ m are that the wolfram varbide of 40～50 μ m mixes, and are mixed with cermet composition of the present invention; Weight % wherein is a benchmark in the gross weight of cermet composition.Mixed powder is made up of the lanthanide rare earth oxide of Al, the 0.2 weight % of Fe, the 0.7 weight % of Si, the 2.8 weight % of B, the 3.8 weight % of Cr, the 4.5 weight % of 7.5 weight % and the Ni of 80.5 weight %, and weight % wherein is a benchmark in the gross weight of mixed powder.Described lanthanide rare earth oxide is a benchmark in its gross weight, consists of the lanthanum trioxide of 53 weight %, the Neodymium trioxide of 27 weight %, the Praseodymium trioxide of 15 weight %, and surplus is an impurity.
Pending metal works, material are No. 20 carbon steels; Be shaped as rectangular parallelepiped, long 50mm, wide 20mm, thick 2mm.
Above-mentioned cermet composition is mixed stirring with the binding agent polyvinyl alcohol, be modulated into slip; Gross weight in slip is a benchmark, and the content of cermet composition is 94 weight %, and the content of polyvinyl alcohol is 6 weight %.Slip is coated in the metal works surface with the thickness of 0.5mm, again workpiece is inserted in the drying oven dry 60min under 80 ℃ of temperature.Dried metal works is inserted in the gas shield stove, carry out sintering processes by following program: the heat-up rate with 10 ℃/min is warming up to 420 ℃ from room temperature, insulation 6min.Be warming up to 1000 ℃ with the heat-up rate of 8 ℃/min from 420 ℃ again, then the heat-up rate with 5 ℃/min is warming up to 1050 ℃, insulation 10min from 1000 ℃.Afterwards with the stove air cooling to room temperature, obtain having the metal works of metal-ceramic coating.Corrosion resistance nature sees Table 1.
Embodiment 3
Mixed powder and the 45 weight % particle diameters that with 55 weight % particle diameters are 40～50 μ m are that the wolfram varbide of 40～50 μ m mixes, and are mixed with cermet composition of the present invention; Weight % wherein is a benchmark in the gross weight of cermet composition.Mixed powder is made up of the lanthanide rare earth oxide of Al, the 0.1 weight % of Fe, the 0.2 weight % of Si, the 3 weight % of B, the 4 weight % of Cr, the 3 weight % of 6 weight % and the Ni of 83.7 weight %, and weight % wherein is a benchmark in the gross weight of mixed powder.Described lanthanide rare earth oxide is a benchmark in its gross weight, consists of the lanthanum trioxide of 52 weight %, the Neodymium trioxide of 28.6 weight %, the Praseodymium trioxide of 16 weight %, and surplus is an impurity.
Pending metal works, material are No. 20 carbon steels; Be shaped as pipe, nominal diameter 89mm, wall thickness 3mm, length 1000mm.
Above-mentioned cermet composition is mixed stirring with the binding agent polyvinyl alcohol, be modulated into slip; Gross weight in slip is a benchmark, and the content of cermet composition is 95 weight %, and the content of polyvinyl alcohol is 5 weight %.Slip is coated in the metal works surface with the thickness of 0.8mm, again workpiece is inserted in the drying oven dry 90min under 110 ℃ of temperature.Dried metal works is inserted in the gas shield stove, carry out sintering processes by following program: the heat-up rate with 10 ℃/min is warming up to 450 ℃ from room temperature, insulation 10min.Be warming up to 1000 ℃ with the heat-up rate of 8 ℃/min from 450 ℃ again, then the heat-up rate with 5 ℃/min is warming up to 1050 ℃, insulation 25min from 1000 ℃.Afterwards with the stove air cooling to room temperature, obtain having the metal works of metal-ceramic coating.Corrosion resistance nature sees Table 1.
Embodiment 4
Mixed powder and the 40 weight % particle diameters that with 60 weight % particle diameters are 40～50 μ m are that the titanium carbide of 40～50 μ m mixes, and are mixed with cermet composition of the present invention; Weight % wherein is a benchmark in the gross weight of cermet composition.Mixed powder is made up of the lanthanide rare earth oxide of Al, the 0.1 weight % of Fe, the 0.3 weight % of Si, the 2.5 weight % of B, the 3.5 weight % of Cr, the 4.6 weight % of 7.5 weight % and the Ni of 81.5 weight %, and weight % wherein is a benchmark in the gross weight of mixed powder.Described lanthanide rare earth oxide is a benchmark in its gross weight, consists of the lanthanum trioxide of 52 weight %, the Neodymium trioxide of 28.6 weight %, the Praseodymium trioxide of 16 weight %, and surplus is an impurity.
Pending metal works, material are No. 20 carbon steels; Be shaped as rectangular parallelepiped, long 50mm, wide 20mm, thick 2mm.
Above-mentioned cermet composition is mixed stirring with the binding agent polyvinyl alcohol, be modulated into slip; Gross weight in slip is a benchmark, and the content of cermet composition is 95 weight %, and the content of polyvinyl alcohol is 5 weight %.Slip is coated in the metal works surface with the thickness of 0.8mm, again workpiece is inserted in the drying oven dry 60min under 80 ℃ of temperature.Dried metal works is inserted in the gas shield stove, carry out sintering processes by following program: the heat-up rate with 10 ℃/min is warming up to 420 ℃ from room temperature, insulation 6min.Be warming up to 1000 ℃ with the heat-up rate of 8 ℃/min from 420 ℃ again, then the heat-up rate with 5 ℃/min is warming up to 1050 ℃, insulation 15min from 1000 ℃.Afterwards with the stove air cooling to room temperature, obtain having the metal works of metal-ceramic coating.Corrosion resistance nature sees Table 1.
Embodiment 5
The mixed powder that with 35 weight % particle diameters is 40～50 μ m mixes with the mechanically resistant material of 65 weight %, is mixed with cermet composition of the present invention; Weight % wherein is a benchmark in the gross weight of cermet composition.Mechanically resistant material is selected wolfram varbide and two kinds of carbide of titanium carbide for use, and particle diameter is 40～50 μ m.Gross weight in mechanically resistant material is a benchmark, and wolfram varbide content is 54 weight %, and titanium carbide content is 46 weight %.Mixed powder is made up of the lanthanide rare earth oxide of Al, the 1 weight % of Fe, the 1 weight % of Si, the 5 weight % of B, the 5 weight % of Cr, the 5.4 weight % of 8 weight % and the Ni of 74.6 weight %, and weight % wherein is a benchmark in the gross weight of mixed powder.Described lanthanide rare earth oxide is a benchmark in its gross weight, consists of the lanthanum trioxide of 52 weight %, the Neodymium trioxide of 28.6 weight %, the Praseodymium trioxide of 16 weight %, and surplus is an impurity.
Pending metal works, material are No. 20 carbon steels; Be shaped as pipe, nominal diameter 25mm, wall thickness 2.5mm, length 500mm.
Above-mentioned cermet composition is mixed stirring with the binding agent polyvinyl alcohol, be modulated into slip; Gross weight in slip is a benchmark, and the content of cermet composition is 95 weight %, and the content of polyvinyl alcohol is 5 weight %.Slip is coated in the metal works surface with the thickness of 0.8mm, again workpiece is inserted in the drying oven dry 60min under 70 ℃ of temperature.Dried metal works is inserted in the gas shield stove, carry out sintering processes by following program: the heat-up rate with 10 ℃/min is warming up to 450 ℃ from room temperature, insulation 10min.Be warming up to 1000 ℃ with the heat-up rate of 8 ℃/min from 450 ℃ again, then the heat-up rate with 5 ℃/min is warming up to 1100 ℃, insulation 20min from 1000 ℃.Afterwards with the stove air cooling to room temperature, obtain having the metal works of metal-ceramic coating.Corrosion resistance nature sees Table 1.
The corrosion resistance nature of table 1 metal-ceramic coating of the present invention and other several metallic substance
Partial analysis result (the numerical value unit: mg/L) of alkaline residue in table 2 table 1 corrosive medium
| Project | COD (chemical oxygen demand (COD)) | S 2- | Volatile phenol | Chlorine | SS (suspended solid) |
| Numerical value | 231200 | 9968 | 123550 | 72.7 | 91 |
| Project | Salt | S 2O 3 2- | SO 3 2- | SO 4 2- | |
| Numerical value | 251300 | 24446 | 23086 | 2212 |
Claims (7)
1, a kind of cermet composition, be used for preparing metal-ceramic coating in the metallic surface, it is characterized in that: the gross weight in cermet composition is a benchmark, form by the mixed powder of 30～85 weight % and the mechanically resistant material of 15～70 weight %, described mixed powder, gross weight in mixed powder is a benchmark, Cr by 5～8 weight %, the B of 2～6 weight %, the Si of 3～5 weight %, the Fe of 2～5 weight %, 0.1 the Al of～5 weight %, 0.1 the Ni of the lanthanide rare earth oxide of～1.5 weight % and 69.5～87.8 weight % forms, described mechanically resistant material is wolfram varbide and/or titanium carbide, described lanthanide rare earth oxide, in its gross weight is benchmark, consist of the lanthanum trioxide of 52～55 weight %, 26.6 the Praseodymium trioxide of the Neodymium trioxide of～28.6 weight % and 14.4～16 weight %, surplus are impurity.
2, cermet composition according to claim 1 is characterized in that: the particle diameter of mixed powder and mechanically resistant material is 40～50 μ m.
3, adopt the described cermet composition of claim 1 to prepare the method for metal-ceramic coating in the metallic surface, it is characterized in that forming by following steps:
A. cermet composition being mixed stirring with binding agent polyvinyl alcohol or vinyl acetic monomer, be modulated into slip, is benchmark in the gross weight of slip, and the content of cermet composition is 90～95 weight %, and the content of binding agent is 5～10 weight %;
B. slip is coated in the metal works surface with the thickness of 0.1～2mm;
C. will apply metal works dry 30～100min under 50～110 ℃ of temperature of slip;
D. dried metal works is inserted in gas shield stove or the vacuum oven; carry out sintering processes by following program: the heat-up rate with 8～15 ℃/min is warming up to 400～450 ℃ from room temperature; insulation 5～10min; heat-up rate with 6～10 ℃/min is warming up to 900～1000 ℃ from 400～450 ℃ again; then the heat-up rate with 3～8 ℃/min is warming up to 1050～1150 ℃ from 900～1000 ℃; insulation 8～50min; afterwards with the stove air cooling to room temperature, obtain having the metal works of metal-ceramic coating.
4, the method for preparing metal-ceramic coating in the metallic surface according to claim 3 is characterized in that: among the step B, the coating thickness of slip is 0.1～1mm.
5, the method for preparing metal-ceramic coating in the metallic surface according to claim 3 is characterized in that: among the step D, the used protection gas of gas shield stove is hydrogen and the nitrogen that the ammonia destruction furnace cracked ammonium is produced.
6, the method for preparing metal-ceramic coating in the metallic surface according to claim 3 is characterized in that: among the step D, the used protection gas of gas shield stove is argon gas.
7, the method for preparing metal-ceramic coating in the metallic surface according to claim 3 is characterized in that: the material of described metal works is low alloy steel, soft steel, medium carbon steel, high carbon steel, rapid steel or chromemolybdenum steel.
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2007
- 2007-07-28 CN CNB2007100548656A patent/CN100469931C/en not_active Expired - Fee Related
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| CN108950344A (en) * | 2018-08-08 | 2018-12-07 | 徐海东 | A kind of titanium carbide-titanium carbide tungsten alloy coating and preparation method thereof |
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