WO2005047567A1 - 固体プレーティング材の製造方法及びその固体プレーティング材 - Google Patents
固体プレーティング材の製造方法及びその固体プレーティング材 Download PDFInfo
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- WO2005047567A1 WO2005047567A1 PCT/JP2004/015684 JP2004015684W WO2005047567A1 WO 2005047567 A1 WO2005047567 A1 WO 2005047567A1 JP 2004015684 W JP2004015684 W JP 2004015684W WO 2005047567 A1 WO2005047567 A1 WO 2005047567A1
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- powder
- core particles
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- metal powder
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Classifications
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C24/00—Coating starting from inorganic powder
- C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
- C23C24/10—Coating starting from inorganic powder by application of heat or pressure and heat with intermediate formation of a liquid phase in the layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/16—Metallic particles coated with a non-metal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/17—Metallic particles coated with metal
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C24/00—Coating starting from inorganic powder
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C24/00—Coating starting from inorganic powder
- C23C24/02—Coating starting from inorganic powder by application of pressure only
- C23C24/04—Impact or kinetic deposition of particles
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C26/00—Coating not provided for in groups C23C2/00 - C23C24/00
- C23C26/02—Coating not provided for in groups C23C2/00 - C23C24/00 applying molten material to the substrate
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/18—After-treatment
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/20—Conductive material dispersed in non-conductive organic material
- H01B1/22—Conductive material dispersed in non-conductive organic material the conductive material comprising metals or alloys
Definitions
- the present invention relates to a method for manufacturing a solid plating material and a solid plating material.
- the present invention provides a blasting device for a fuel cell separator which is used for various purposes such as for automobiles, stationary applications, and mopile applications.
- the present invention relates to a method for producing a solid plating material used for forming a film having excellent conductivity by a method, and to the solid plating material.
- the present inventors have solved patent problems relating to a blast method capable of forming a film instead of a plating method and a melting method by solving the above problems, and a solid plating material for use in the blast method. 1, 2, and 3 are disclosed prior to the present application.
- Patent Document 1 discloses that conductive particles (hereinafter referred to as “core particles”) have a particle diameter of 30 to 300 ⁇ m, a hardness of SHv400 to 2000, and a core particle (hereinafter referred to as a “core particle”) having a strong force such as a cemented carbide material. It relates to a solid plating material obtained by plating a metal powder made of any of gold, silver, copper, nickel, etc. (hereinafter referred to as “plating powder”), which is superior in low electric resistance, by plating. It is specified that expensive gold or silver is used as plating powder having excellent conductivity.
- Patent Document 2 discloses that a fuel cell separator is electrically conductive by a blast method using a dry air flow, an impeller, a high-pressure water flow, a negative gas flow, or the like using the solid plating material of Patent Document 1. It discloses a method for forming a film having excellent properties (low electric resistance).
- Patent Document 3 discloses that a coating liquid prepared by using an organic binder as a solute is sprayed onto the surface of a core particle having a particle diameter of 2 mm or less and made of a steel, a non-ferrous metal, a non-ferrous alloy, or a non-metal. After fogging to form a coat layer, the particle size is 0.5mm or less, and the material is any of inorganic powders such as zinc, copper (base metal), gold, silver (noble metal), oxidized (non-metallic), etc.
- Is used as a powder for plating and a suspension prepared by mixing the powder for plating with a coating solution is sprayed on the surface of the coating layer, and the powder for plating is plated on the surface of the coating layer.
- a method for producing a solid plating material and a solid plating material produced by the method are disclosed.
- Patent Document 1 JP 2001-089870 A
- Patent Document 2 Japanese Patent No. 3468739 (US Patent 6726953)
- Patent Document 3 Japanese Patent Application Laid-Open No. 2003-160884
- Patent Documents 1 and 3 that disclose a method of manufacturing a solid plating material in which a film for improving conductivity is formed by a blast method have the following problems. was there.
- Patent Document 1 is a plating method, and the plating method has a problem that the equipment becomes large and the equipment cost increases.
- the method of Patent Document 3 avoids the plating method of Patent Document 1 and solves the problem, the method of Patent Document 3 aims at forming a film having excellent conductivity by the method of Patent Document 3.
- a body plating material is manufactured and a film is formed by a blast method, a plating powder and an organic binder coexist in the coating layer of the solid plating material.
- the organic binder is also plated along with the powder for starting. This organic binder enhances the bonding strength of the plating powder to the coating layer and imparts durability to withstand repeated use.However, since it is a non-conductive substance, it is used for coating the plated coating. They tend to increase electrical resistance such as sheet resistance and contact resistance.
- the present invention has been made to solve the above problems, and to provide a method for manufacturing a solid plating material having a coat layer having both excellent conductivity and durability, and to provide the solid plating material. It was done.
- a suspension is prepared by mixing a conductive plating powder and a binding metal powder in a coating solution containing an organic binder. Then, the suspension is sprayed on the core particles while stirring the core particles by centrifugal flow, and the plating powder and the binding metal powder are fixed to the surface of the core particles by an organic binder. After forming the coated layer, the core particles are heated to a temperature equal to or higher than the melting point of the metal powder for binding to remove the organic binder, and the powder for printing is melted on the surface of the core particles by the melting of the metal powder for binding. This is characterized in that a welding layer fixed by the above is formed.
- the plating powder be a conductive ceramic powder having an average particle diameter of 20 ⁇ m or less, and the melting point of the bonding metal powder is lower than that of the core particles. It is more desirable to use a powder of 20 ⁇ m or less.
- the heating of the core particles performed after the formation of the coat layer may be performed by melting the melting point of the bonding metal powder ⁇ 3.
- a solid plating material according to the present invention is characterized by being manufactured by the method as described above.
- a coating layer in which a plating powder and a binding metal powder are fixed to the surface of a core particle with an organic binder in a coating solution is formed.
- the organic binder is thermally decomposed and removed, and the surface of the core particles is plated on the surface of the core particles by melting the binding metal powder.
- the powder is firmly fixed, and a welded layer having excellent durability can be formed.
- the plating powder is a conductive metal powder, a solid plating material that can form a film having excellent conductivity without being oxidized can be manufactured.
- a suspension is prepared by mixing a plating powder and a binding metal powder with a coating solution containing an organic binder beforehand.
- the suspension is sprayed while heating the core particles, which are agitated by centrifugal flow, to a predetermined temperature, so that the plating powder and the binding metal powder are bonded to the surface of the core particles by an organic system.
- a coating layer fixed by the agent is formed.
- the core particles are heated to a temperature equal to or higher than the melting point of the binding metal powder to thermally decompose and remove the organic binder and to melt the binding metal powder. Let it. By melting the bonding metal powder, the plating powder can be further firmly fixed to the coat layer.
- the coating liquid in the method for producing a solid plating material water or water may be used.
- a mixture obtained by adding a vinyl-based or acrylic acid-based organic binder to a mixture with an alcohol can be used.
- concentration of the organic binder it can be used as long as it can be sprayed uniformly, but in general, the higher the concentration of the organic binder, the higher the viscosity and the more difficult it is to spray uniformly. Therefore, it is desirable to keep the concentration at about 4% or less.
- PVA polyvinyl alcohol
- PVP polyvinylpyrrolidone
- methacrylic acid copolymer and the like.
- non-oxide conductive ceramic powders such as TiN, TiC, VC, NbC, and MoSi2 can be used. It is more desirable that the average particle size of the plating powder is 20 ⁇ m or less.
- the binding metal powder In addition to gold and silver, inexpensive powders of copper, tin, and the like can be used as the binding metal powder, and the melting point of the binding metal powder must be lower than that of the core particles. It is more preferable that the average particle size is 20 m or less.
- the reason why the average particle size of the plating powder and the binding metal powder is preferably 20 ⁇ m or less is more than 20 ⁇ m. This is because it becomes difficult to distribute them uniformly.
- the core particles carbide particles, steel particles such as high-speed steel and carbon steel, nonferrous metal particles such as copper, or nonmetallic inorganic particles such as glass beads and alumina may be used. Can be. It is more preferable that the average particle size of the core particles is 2 mm or less. Here, the reason why the average particle size of the core particles is preferably 2 mm or less is more desirable.If the average particle size exceeds 2 mm, the surface of the blasted workpiece becomes rough and the deformation increases. It is.
- the spray flow rate of the suspension onto the core particles is more preferably 0.5 to 2 gZmin. 0.5 If the amount is less than gZmin, it takes too much time to coat, and if it exceeds 2 gZmin, the solute adhesion unevenness of the coat layer tends to occur.
- the final heat treatment of the core particles performed after the formation of the coat layer is performed by: a melting point of the binding metal powder ⁇ 350 ° C or a melting point of the binding metal powder ⁇ a starting temperature of the plating powder -50 ° C
- a melting point of the binding metal powder ⁇ 350 ° C or a melting point of the binding metal powder ⁇ a starting temperature of the plating powder -50 ° C
- an oxidizing atmosphere such as air causes the conductive ceramic powder used for the plating powder to oxidize and increase the electrical resistance. Care must be taken because a film with reduced conductivity may be formed on the surface of the article to be treated.
- the melting point of the bonding metal powder is 350 ° C. or the melting point of the bonding metal powder is 50 ° C.
- the heating may be performed in an air atmosphere.
- the mass% of the plating powder with respect to the mass of the core particles is finally 5 mass% or less, and the metal powder for bonding with respect to the mass of the core particles. Is desirably adjusted so that the mass% of the final amount becomes 3% or less.
- the mass% of the plating powder is more than 5% and the mass% of the binding metal powder is more than 3%, the amounts of the conductive plating powder and the binding metal powder in the suspension are large. This is also a force that makes the suspension uneven and makes it difficult to achieve uniform spraying.
- Titanium nitride addition (mass%) 4.4 4.4 5.6 5.6 Copper powder addition (mass./.) 1.9 1.9 0 0
- Example 1 the concentration of titanium nitride powder having an average particle diameter of 7 ⁇ m in a 320 g PVA solution having a concentration of 3% in advance was finally 4.4% by mass with respect to the mass of 1.6 kg of core particles. 70 g, and further add 30 g of copper powder, which is a binding metal powder (binder) having an average particle size of 10 m, so that the final concentration is 1.9% by mass based on the mass of the core particles.
- a suspension is prepared by mixing, and 1.6 kg of core particles having an average particle size of 100 m and a material of ultra-hard particles are put into the coating machine, and the temperature of the core particles reaches 59 ° C.
- the suspension was sprayed from a nozzle with a diameter of ⁇ . 7 mm at a jet pressure of 0.15 MPa and a spray rate of 1.7 g / min while centrifugally flowing at 130 min- 1 while heating as described above.
- a coat layer was formed on which was fixed the titanium nitride powder and the copper powder.
- the core particles were housed in a furnace in which the atmosphere was nitrogen gas, and the furnace temperature was set to 1100 ° C and heated for lh. As a result, PVA was completely removed and the surface of the core particles was melted by melting the copper powder. A solid plating material having a non-oxidized coat layer to which the titanium nitride powder was uniformly fixed was able to be manufactured.
- the atmosphere in the furnace was set to nitrogen gas and the calorie heat temperature was set to 1100 ° C. (heating time: lh) because the plating powder (titanium nitride) was used.
- the relationship that the oxidizing temperature is 550 to 560 ° C. and the melting point of the binding metal powder (copper) is 1083 ° C. is also determined by the conditions according to claim 8.
- Example 2 800 g of the solid plating material produced in Example 1 was put into an air blasting apparatus, and a plating film having a material of SUS316, a diameter of 30 mm, and a thickness of 4 mm was formed.
- the test piece was fixed in the apparatus, the distance between the test piece and the nozzle was set to 100 mm, the nozzle angle was set to 90 ° with respect to the surface of the test piece, and the entire surface of the test piece was sprayed at 0.3 MPa for 18 seconds. Injected toward.
- an unoxidized titanium nitride film could be formed on the surface of the test piece.
- the contact resistance between stainless steel and carbon before forming the plating film according to the present invention was 500-600 m ⁇ ⁇ cm 2 .
- Example 1 the solid plating material manufactured in Example 1 was repeatedly blasted using an air blasting machine with a plate of SS400 material as a target, and a peeling durability test of the coat layer was performed. The blast could be used up to 80% before the 50% peeled off, indicating good durability.
- Example 2 a solid plating material was manufactured under the same conditions as in Example 1 except that the core particle heating temperature during spraying of the suspension was 79 ° C.
- the test results of the contact resistance between the plating film of the test piece and the carbon showed almost the same values in Example 2 as in Example 1, indicating that excellent contact resistance was obtained. It was confirmed that it had it.
- the number of blasts that can be used until 50% of the entire coating layer in Example 2 can be peeled is less than 80 times in Example 1, but it can be used 50 times. It was confirmed that it had excellent peeling durability.
- the methods for measuring the contact resistance value and the peeling durability test performed here are the same as those in the examples.
- Comparative Examples 1 and 2 will be described.
- the core particle heating temperature at the time of spraying the suspension was close to that of Example 2, and the temperature (80 ° C) was set, and a solid plating material was produced by using no metal powder for bonding! Things.
- the core particle heating temperature during spraying was set to the same temperature (59 ° C.) as in Example 1, and a solid printing material was produced without using the binding metal powder.
- Table 1 also shows the contact resistance value with carbon showing conductivity in Comparative Examples 1 and 2, and the results of the peeling durability test of the welded layer. The methods of contact resistance measurement and peeling durability test performed here were the same as in Examples 1 and 2. One.
- Comparative Examples 1 and 2 are significantly inferior to Examples 1 and 2.
- the reason for this is that in Comparative Examples 1 and 2, the adhesion state of the plating film was brittle due to the absence of the addition of the bonding metal powder, and thus the evaluation results of the peeling durability test were judged to be good. Can be.
- Table 2 shows and describes Example 3 according to the present invention in which titanium nitride was used as the plating powder and tin was used as the bonding metal powder.
- Example 3 the concentration of titanium nitride powder having an average particle diameter of 7 ⁇ m in a PVA solution having a concentration of 3% and 320 g was previously 4.2% by mass with respect to the mass of 1.6 kg of core particles. And a tin powder as a binding metal powder (binder) having an average particle size of 10 ⁇ m.
- a suspension is prepared by mixing 29 g to a final mass of 1.8% by mass with respect to the mass of the particles, and core particles with an average particle size of 100 ⁇ m and made of ultra-hard particles are applied to a coating machine. 1.6 kg is charged, and while the core particles are heated so that the temperature of the core particles becomes 64 ° C.
- the suspension is sprayed from a 0.7 mm diameter nozzle with a jet pressure of 0.7 mm.
- a coat layer was formed on the surface of the core particles, in which titanium nitride powder and tin powder were fixed.
- the core particles were housed in a furnace in which the atmosphere was the atmosphere, and the furnace temperature was set to 250 ° C and heating was performed for 2 hours. As a result, PVA was completely removed, and the surface of the core particles was nitrided by melting the tin powder. It was possible to produce a solid plating material having a titanium oxide powder uniformly fixed and having a coating layer which was not acidified.
- the atmosphere in the furnace was set to the atmosphere, and the heating temperature was set to 250 ° C. (heating time: 2 hours) because the plating powder (titanium nitride) was used. It is determined in accordance with the condition as set forth in claim 8 from the relationship that the starting temperature of the oxidation is 550-560 ° C and the melting point of the metal powder for bonding (tin) is 232 ° C.
- Example 3 800 g of the solid plating material manufactured in Example 3 was put into an air blasting apparatus, and a test piece for forming a plating film, a distance between the test piece and the nozzle, a nozzle angle, a jet pressure, and the like.
- the injection time was set to the same conditions as in Example 1 above, and as a result of spraying the solid plating material over the entire surface of the test piece, titanium nitride particles were uniformly fixed on the surface of the test piece and oxidized. As a result, a plating film could be formed.
- Example 3 the solid plating material produced in Example 3 was repeatedly blasted using an air blasting device with a plate of SS400 material as a target, and subjected to a peeling durability test of the coat layer. Excellent durability was obtained, in which the number of usable blasts until the% was peeled was 65 times.
- Table 4 shows Example 4 of the present invention in which vanadium carbide was used as the plating powder and copper was used as the bonding metal powder.
- Example 4 vanadium carbide powder having an average particle size of 1.8 ⁇ m was previously added to a PVA solution having a concentration of 3% of 320 g in a concentration of 1.8 g to be 4.4 mass% with respect to the mass of 1.6 kg of the core particles.
- a liquid is prepared, and 1.6 kg of core particles having an average particle size of 100 ⁇ m and a material of super hard particles are put into the coating machine and heated so that the temperature of the core particles becomes 64 ° C.
- the suspension was centrifuged at 130 min- 1 , the suspension was sprayed from a 0.7 mm diameter nozzle at a spray pressure of 0.15 MPa and a spray amount of 1.7 gZmin. A coat layer on which the copper powder was uniformly fixed was formed.
- the core particles were housed in a furnace in which the atmosphere was nitrogen gas, and the furnace temperature was set to 1100 ° C and heated for lh. As a result, PVA was completely removed and the surface of the core particles was melted by melting the copper powder.
- the vanadium carbide powder was fixed uniformly, and a solid plating material having a non-oxidized coat layer could be manufactured.
- the furnace atmosphere was set to nitrogen gas and the heating temperature was set to 1100 ° C. (heating time: lh) because the plating powder (vanadium carbide) was used. And the melting point of the metal powder for bonding (copper) is 1083 ° C. This is determined according to the conditions described in claim 8.
- Example 4 800 g of the solid plating material produced in Example 4 was put into an air blast device, and a test piece for forming a plating film, a distance between the test piece and the nozzle, a nozzle angle, a jet pressure and The injection time was set to the same conditions as in Example 1 above, and as a result of injecting the solid plating material toward the entire surface of the test piece, vanadium carbide particles were uniformly fixed and oxidized on the surface of the test piece. No plating film could be formed.
- Example 4 the solid plating material produced in Example 4 was repeatedly blasted using an air blasting machine with a plate of SS400 material as a target, and a peeling durability test of the coating layer of the solid plating material was performed. As a result, good durability was obtained in which the number of usable blasts until 50% of the entire coating layer was peeled was 92 times.
- Table 5 shows Example 5 according to the present invention in which vanadium carbide was used as the plating powder and tin was used as the bonding metal powder.
- Example 5 a vanadium carbide powder having an average particle size of 1.8 ⁇ m was added to a PVA solution having a concentration of 3% and 320 g in advance with a final mass of 4.2 mass 0 / To be 0 67 g, and 29 g of tin powder, which is a binding metal powder (binder) having an average particle size of 10 m, is finally mixed at 1.8 mass% with respect to the mass of the core particles to form a suspension.
- tin powder which is a binding metal powder (binder) having an average particle size of 10 m
- the suspension was centrifugally flowed at _1 , and the suspension was sprayed from a nozzle with a diameter of ⁇ .7 mm at a spray pressure of 0.15 MPa and a spray amount of 1.7 gZmin.As a result, vanadium carbide powder and tin A coat layer to which the powder was fixed uniformly was formed.
- the core particles were housed in a furnace where the atmosphere was the atmosphere, and the furnace temperature was set to 250 ° C and heating was performed for 3 hours. As a result, PVA was completely removed, and the tin powder was melted so that the surface of the core particles became charcoal. It was possible to produce a solid printing material having a coating layer on which vanadium oxide powder was uniformly adhered and which had not been oxidized.
- the atmosphere in the furnace was set to the atmosphere, and the heating temperature was set to 250 ° C. (heating time: 3 hours) because of the plating powder (vanadium carbide).
- the relationship between the starting temperature of oxidizing and the melting point of the binding metal powder (tin) being 40-450 ° C. and 232 ° C. was also determined according to the conditions described in claim 8.
- Example 5 800 g of the solid plating material produced in Example 5 was put into an air blast device, and a test piece for forming a plating film, the distance between the test piece and the nozzle, the nozzle angle, the injection pressure, and the like were measured.
- the injection time was set to the same conditions as in Example 1 above, and as a result of injecting the solid plating material over the entire surface of the test piece, the vanadium carbide particles were uniformly fixed on the surface of the test piece and were not oxidized. A plating film could be formed.
- Example 5 the solid plating material produced in Example 5 was repeatedly blasted using an air blast device with a plate of SS400 material as a target, and a peeling durability test of the coating layer of the solid plating material was performed. As a result, it was possible to obtain a good durability, in which the number of usable blast times until 50% of the entire coating layer was peeled was 68 times.
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Abstract
Description
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Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/579,198 US20090013904A1 (en) | 2003-11-12 | 2004-10-22 | Method for manufacturing a solid plating material and the solid plating material manufactured by the method |
DE112004002179T DE112004002179B4 (de) | 2003-11-12 | 2004-10-22 | Ein Verfahren zum Herstellen eines Feststoff-Plattierungsmaterials |
CA002545594A CA2545594A1 (en) | 2003-11-12 | 2004-10-22 | A method for manufacturing a solid plating material and the solid plating material manufactured by the method |
JP2005515406A JPWO2005047567A1 (ja) | 2003-11-12 | 2004-10-22 | 固体プレーティング材の製造方法及びその固体プレーティング材 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2003-382435 | 2003-11-12 | ||
JP2003382435 | 2003-11-12 |
Publications (1)
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WO2005047567A1 true WO2005047567A1 (ja) | 2005-05-26 |
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PCT/JP2004/015684 WO2005047567A1 (ja) | 2003-11-12 | 2004-10-22 | 固体プレーティング材の製造方法及びその固体プレーティング材 |
Country Status (7)
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US (1) | US20090013904A1 (ja) |
JP (1) | JPWO2005047567A1 (ja) |
KR (1) | KR20060123143A (ja) |
CN (1) | CN1886534A (ja) |
CA (1) | CA2545594A1 (ja) |
DE (1) | DE112004002179B4 (ja) |
WO (1) | WO2005047567A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120034372A1 (en) * | 2006-02-27 | 2012-02-09 | Koki Tanaka | Solid polymer type fuel cell separator and method of production of same |
US8304141B2 (en) | 2005-06-22 | 2012-11-06 | Sintokogio Ltd. | Stainless steel, titanium, or titanium alloy solid polymer fuel cell separator and its method of production and method of evaluation of warp and twist of separator |
Citations (4)
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JPS59118267A (ja) * | 1982-12-24 | 1984-07-07 | Showa Alum Corp | 金属体表面に多孔質層を形成する方法 |
JPH08257914A (ja) * | 1995-03-29 | 1996-10-08 | Sanpoo:Kk | 亜鉛被覆処理用の複合投射粒子、および、その製造方法並びに亜鉛被覆処理方法 |
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US4435189A (en) * | 1982-01-15 | 1984-03-06 | General Electric Company | Method of preparing rough textured metal coated abrasives and product resulting therefrom |
DK429583A (da) * | 1982-09-24 | 1984-03-25 | Freunt Ind Co Ltd | Granuleringsmaskine |
JPH0825914A (ja) * | 1994-07-12 | 1996-01-30 | Bridgestone Corp | 空気入りタイヤ |
JP2001089870A (ja) * | 1999-09-20 | 2001-04-03 | Sinto Brator Co Ltd | 固体プレーティング材 |
JP3468739B2 (ja) * | 1999-12-27 | 2003-11-17 | 新東ブレーター株式会社 | 高耐食性かつ対カーボン低接触抵抗性金属の燃料電池用セパレーターへの付着方法 |
EP1317578A2 (en) * | 2000-09-12 | 2003-06-11 | Lydall, Inc. | Electrical conductive substrate |
JP2003160884A (ja) * | 2001-11-22 | 2003-06-06 | Sinto Brator Co Ltd | 固体プレーティング材の製造方法及びその方法により製造された固体プレーティング材 |
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- 2004-10-22 WO PCT/JP2004/015684 patent/WO2005047567A1/ja active Application Filing
- 2004-10-22 US US10/579,198 patent/US20090013904A1/en not_active Abandoned
- 2004-10-22 KR KR1020067009098A patent/KR20060123143A/ko not_active Application Discontinuation
- 2004-10-22 JP JP2005515406A patent/JPWO2005047567A1/ja active Pending
- 2004-10-22 CN CNA2004800332891A patent/CN1886534A/zh active Pending
- 2004-10-22 DE DE112004002179T patent/DE112004002179B4/de not_active Expired - Fee Related
- 2004-10-22 CA CA002545594A patent/CA2545594A1/en not_active Abandoned
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JPS506162B1 (ja) * | 1969-10-10 | 1975-03-11 | ||
JPS5177536A (ja) * | 1974-12-28 | 1976-07-05 | Nippon Steel Corp | Ryokakoseinohyomenhifukukohanno seizohoho |
JPS59118267A (ja) * | 1982-12-24 | 1984-07-07 | Showa Alum Corp | 金属体表面に多孔質層を形成する方法 |
JPH08257914A (ja) * | 1995-03-29 | 1996-10-08 | Sanpoo:Kk | 亜鉛被覆処理用の複合投射粒子、および、その製造方法並びに亜鉛被覆処理方法 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8304141B2 (en) | 2005-06-22 | 2012-11-06 | Sintokogio Ltd. | Stainless steel, titanium, or titanium alloy solid polymer fuel cell separator and its method of production and method of evaluation of warp and twist of separator |
US20120034372A1 (en) * | 2006-02-27 | 2012-02-09 | Koki Tanaka | Solid polymer type fuel cell separator and method of production of same |
US8361676B2 (en) * | 2006-02-27 | 2013-01-29 | Nippon Steel Corporation | Solid polymer type fuel cell separator and method of production of same |
Also Published As
Publication number | Publication date |
---|---|
KR20060123143A (ko) | 2006-12-01 |
CA2545594A1 (en) | 2005-05-26 |
JPWO2005047567A1 (ja) | 2007-05-31 |
DE112004002179B4 (de) | 2008-09-18 |
DE112004002179T5 (de) | 2006-11-02 |
CN1886534A (zh) | 2006-12-27 |
US20090013904A1 (en) | 2009-01-15 |
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