KR950011641A - Powder sintered layer formation method by the spray method to which the pressurization process at high temperature is added - Google Patents

Powder sintered layer formation method by the spray method to which the pressurization process at high temperature is added Download PDF

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Publication number
KR950011641A
KR950011641A KR1019930020936A KR930020936A KR950011641A KR 950011641 A KR950011641 A KR 950011641A KR 1019930020936 A KR1019930020936 A KR 1019930020936A KR 930020936 A KR930020936 A KR 930020936A KR 950011641 A KR950011641 A KR 950011641A
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KR
South Korea
Prior art keywords
layer
high temperature
powder
sintered layer
added
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Application number
KR1019930020936A
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Korean (ko)
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KR0184417B1 (en
Inventor
신희택
김흥두
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한승준
기아자동차 주식회사
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Priority to KR1019930020936A priority Critical patent/KR0184417B1/en
Publication of KR950011641A publication Critical patent/KR950011641A/en
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Publication of KR0184417B1 publication Critical patent/KR0184417B1/en

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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
    • C23C24/082—Coating starting from inorganic powder by application of heat or pressure and heat without intermediate formation of a liquid in the layer
    • C23C24/085—Coating with metallic material, i.e. metals or metal alloys, optionally comprising hard particles, e.g. oxides, carbides or nitrides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/14—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas designed for spraying particulate materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/043—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of metal

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Powder Metallurgy (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)

Abstract

본 발명은, 고탄소강 또는 주철 뿐만 아니라 탄소함유량이 적은 일반 저탄소강이나 침탄이 잘 안되는 특수강재질로 된 시편에, 액상체로 된 합금분말 및 탄소분말과 합성수지의 혼합물들을 순차적으로 스프레이 해주어 합금분말층과 탄소분말층을 각긱 형성한 다음 가열시켜 고온상태에서 프레스등과 같은 가압수단을 이용하여 인위적으로 압력을 가하여 밀도를 향상시킨 후 소결작업을 실시함에 따라서, 고경도의 경화층으로 된 내마모재보다 충격에 강하면서 표면조도가 우수하며 밀도가 높으며 내마모성도 우수한 분말소결층을 간편하게 얻을 수 있도록 된 고온상에서의 가압공정이 첨가된 스프레이법에 의한 분말소결층 형성방법에 관한 것이다.The present invention, by spraying a mixture of a mixture of a mixture of carbon powder and carbon powder and a synthetic resin in a liquid material to a specimen of high carbon steel or cast iron as well as low carbon steel or low carbon carburized special steel material in order to sequentially After the carbon powder layer is formed and heated, it is artificially pressurized by pressurizing means such as press at high temperature to improve the density, and then sintering. The present invention relates to a method for forming a powder sintered layer by a spraying method in which a pressure sintering layer is added at a high temperature to easily obtain a powder sintered layer having excellent surface roughness, high density, and high wear resistance.

Description

고온상에서의 가압공정이 첨가된 스프레이법에 의한 분말소결층 형성방법Powder sintered layer formation method by the spray method to which the pressurization process at high temperature is added

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명에 따른 분말소결층 형성방법의 개략적인 공정흐름도.1 is a schematic process flow diagram of a method for forming a powder sintered layer according to the present invention.

제2도는 본 발명 소결공정의 작업도.2 is a working view of the sintering process of the present invention.

제3도는 본 발명에 따른 소결처리후에 있어서의 분말소결층의 단면의 조직을 100배로 확대하여 나타낸 현미경사진들.Figure 3 is a micrograph showing the structure of the cross section of the powder sintered layer after sintering treatment according to the present invention magnified 100 times.

제4도는 종래의 분말소결층 형성방법의 공정흐름도.4 is a process flow diagram of a conventional powder sintering layer forming method.

제5도는 상온가압 및 무가압에 있어서의 분말소결층의 단면조직을 100배로 확대하여 나타낸 현미경사진들이다.5 is a micrograph showing the enlarged cross-sectional structure of the powder sintered layer 100 times under normal pressure and no pressure.

Claims (1)

중량%로 6.5%Cr, 4.96%Mo, 1.25%P, 1%C, 86.29%Fe로 된 탄소분말을 각각 합성수지 1~10중량%와 혼합한 혼합물들에 각기 용제를 넣어 적당한 점성을 갖는 액상체들로 만든 다음, 이 액상체들을 스프레이건을 사용하여 시편의 표면에 일정두께로 피복시켜 순차적으로 탄소분말층과 합금분말층을 형성시켜 주는 도장단계를 거쳐, 스프레이된 피복층을 불활성분위기 내에서 300℃까지 1차 예열후 소정시간동안 유지시킨 다음 1050~1200℃에서 소결단계로 처리되는 스프레이법에 의한 분말소결층 형성방법에 있어서, 상기 시편의 표면에 스프레이된 피복층이 소결단계에 투입되기 전에 시편을 가열시켜 고온상태에서 프레스등에 의한 가압공정단계를 거치도록 된 것을 특징으로 하는 가압공정이 첨가된 스프레이법에 의한 소결분말층 형성방법.A liquid having moderate viscosity by adding a solvent to a mixture of 1% to 10% by weight of a carbon powder of 6.5% Cr, 4.96% Mo, 1.25% P, 1% C, and 86.29% Fe by weight, respectively. Then, the liquids are coated with a spray gun to a certain thickness on the surface of the specimen to form a carbon powder layer and an alloy powder layer sequentially, and then the sprayed coating layer is placed in an inert atmosphere. In the method of forming a powder sintered layer by the spray method, which is maintained for a predetermined time after the first preheating to 占 폚 and then treated in a sintering step at 1050 to 1200 占 폚, before the coating layer sprayed on the surface of the specimen is put into the sintering step. Method of forming a sintered powder layer by the spray method is added to the pressing step, characterized in that the heating step to go through the pressing step by a press or the like at a high temperature state. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019930020936A 1993-10-09 1993-10-09 Method of forming sintered powdered layer by spray processing KR0184417B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019930020936A KR0184417B1 (en) 1993-10-09 1993-10-09 Method of forming sintered powdered layer by spray processing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019930020936A KR0184417B1 (en) 1993-10-09 1993-10-09 Method of forming sintered powdered layer by spray processing

Publications (2)

Publication Number Publication Date
KR950011641A true KR950011641A (en) 1995-05-15
KR0184417B1 KR0184417B1 (en) 1999-04-01

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KR1019930020936A KR0184417B1 (en) 1993-10-09 1993-10-09 Method of forming sintered powdered layer by spray processing

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KR0184417B1 (en) 1999-04-01

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