KR960023204A - High Hardness Chrome Coating Layer and Forming Method - Google Patents

High Hardness Chrome Coating Layer and Forming Method Download PDF

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Publication number
KR960023204A
KR960023204A KR1019940040087A KR19940040087A KR960023204A KR 960023204 A KR960023204 A KR 960023204A KR 1019940040087 A KR1019940040087 A KR 1019940040087A KR 19940040087 A KR19940040087 A KR 19940040087A KR 960023204 A KR960023204 A KR 960023204A
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South Korea
Prior art keywords
chromium
coating layer
chromium coating
base metal
layer
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KR1019940040087A
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Korean (ko)
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KR0136183B1 (en
Inventor
김영섭
박정렬
이경종
에리히멘데
Original Assignee
김상제
포항종합제철 주식회사
신창식
재단법인 산업과학기술연구소
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Priority to KR1019940040087A priority Critical patent/KR0136183B1/en
Publication of KR960023204A publication Critical patent/KR960023204A/en
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Publication of KR0136183B1 publication Critical patent/KR0136183B1/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
    • C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
    • C23C28/34—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates
    • 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
    • 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
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
    • C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
    • C23C8/24—Nitriding
    • 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
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
    • C23C8/28—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases more than one element being applied in one step
    • C23C8/30—Carbo-nitriding
    • 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
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
    • C23C8/36—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases using ionised gases, e.g. ionitriding

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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)
  • Inorganic Chemistry (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
  • Physical Vapour Deposition (AREA)

Abstract

본 발명은 높은 경도를 요하는 기계부품 표면에 크롬코팅층 및 이를 형성하는 방법에 관한 것으로서, 크롬코팅층을 통상의 방법으로 소지금속표면에 형성시킨 후 일정한 조건으로 플라즈마 확산처리하여 초경화되고 접착력이 우수한 고경도 크롬코팅층 및 이 크롬코팅층을 형성하는 방법을 제공하고자 하는데 그 목적이 있다.The present invention relates to a chromium coating layer and a method of forming the same on the surface of a mechanical component requiring high hardness, and after forming the chromium coating layer on the surface of the base metal in a conventional manner, the plasma diffusion treatment under a certain condition to superhard and excellent adhesion An object of the present invention is to provide a high hardness chromium coating layer and a method of forming the chromium coating layer.

본 발명은 소지금속에 소지금속과 크롬의 상호확산층, 크롬코팅층, 질소와 크롬질화물 형태의 석출물을 함유하는 경화 크롬코팅층이 순차적으로 형성되어 있는 고경도 크롬코팅층과, 소지금속에 소지금속과 크롬의 상호확산층, 크롬코팅층, 질소와 탄소함유 크롬코팅층, 및 크롬질화물과 크롬탄화물의 초경화 피막코팅층이 순차적으로 형성되어 있는 고경도 크롬코팅층, 및 소지금속의 표면에 통상의 방법으로 크롬코팅층을 피복시킨 후 500∼1000℃의 온도범위에서, 플라즈마 질화처리 또는 플라즈마 질탄화처리하여 초경화되고 접착력이 우수한 크롬코팅층을 형성하는 방법을 그 요지로 한다.The present invention is a hard metal chromium coating layer in which the base metal and chromium interdiffusion layer, the chromium coating layer, a hardened chromium coating layer containing a precipitate in the form of nitrogen and chromium nitride are sequentially formed, and the base metal and chromium A high hardness chromium coating layer in which an interdiffusion layer, a chromium coating layer, a nitrogen and carbon-containing chromium coating layer, and a chromium nitride and a chromium carbide superhard coating layer are sequentially formed, and the surface of the base metal is coated with the chromium coating layer in a conventional manner. After that, in the temperature range of 500 to 1000 ° C., a method of forming a chromium-coated layer which is superhardened and has excellent adhesive strength by plasma nitridation or plasma nitridation is made into the subject.

Description

고경도 크롬 코팅층 및 그 형성방법High Hardness Chrome Coating Layer and Forming Method

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

제1도 종래방법 및 본 발명에 의해 제조된 고경도 크롬코팅층의 단면모식도.1 is a schematic cross-sectional view of a high hardness chromium coating layer prepared by the conventional method and the present invention.

Claims (3)

소지금속에 소지금속과 크롬의 상호확산층, 크롬코팅층, 질소와 크롬질화물 형태의 석출물을 함유하는 경화 크롬코팅층이 순차적으로 형성되어 있는 고경도 크롬코팅층.A high hardness chromium coating layer in which a hard metal chromium coating layer is formed on the base metal in order to form a mutual diffusion layer of the base metal and chromium, a chromium coating layer, and a precipitate in the form of nitrogen and chromium nitride. 소지금속에 소지금속과 크롬의 상호확산층, 크롬코팅층, 질소와 탄소함유 크롬코팅층, 및 크롬질화물과 크롬탄화물의 초경화 피막코팅층이 순차적으로 형성되어 있는 고경도 크롬코팅층.A high hardness chromium coating layer in which a base metal and chromium interdiffusion layer, a chromium coating layer, a nitrogen and carbon-containing chromium coating layer, and a chromium nitride and chromium carbide superhard coating layer are sequentially formed. 소지금속의 표면에 통상의 방법으로 크롬코팅층을 피복시킨 후 500∼1000℃의 온도범위에서, 프라즈마 질화처리를 행하여 소지금속에 소지금속과 크롬의 상호확산층, 크롬코팅층, 질소와 크롬질화물 형태의 석출물을 함유하는 경화 크롬코팅층이 형성되도록 하거나 또는 500∼1000℃의 온도범위에서 플라즈마 질탄화처리를 행하여 소지금속에 소지금속과 크롬의 상호확산층, 크롬코팅층, 질소와 탄소 함유크롬 코팅층, 및 크롬질화물과 크롬탄화물의 초경화 피막 코팅층이 형성되도록 하는 금속표면에의 고경도 크롬코팅층 형성방법.After coating the chromium coating layer on the surface of the base metal by a conventional method, plasma nitriding treatment is carried out at a temperature in the range of 500 to 1000 ° C., so that the base metal and the chromium interdiffusion layer, chromium coating layer, nitrogen and chromium nitride form precipitates. To form a hardened chromium-coated layer or plasma nitriding at a temperature in the range of 500 to 1000 ° C., to the base metal, a diffusion layer of the base metal and chromium, a chromium coating layer, a nitrogen and carbon-containing chromium coating layer, and a chromium nitride A method of forming a high hardness chromium coating layer on a metal surface to form a superhard coating layer of chromium carbide. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940040087A 1994-12-30 1994-12-30 High hardness chrome coating layer and manufacturing method therefor KR0136183B1 (en)

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KR1019940040087A KR0136183B1 (en) 1994-12-30 1994-12-30 High hardness chrome coating layer and manufacturing method therefor

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KR0136183B1 KR0136183B1 (en) 1998-07-01

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101400942B1 (en) * 2006-06-08 2014-05-30 노드-락 에이비 A method for coating washers for locking and coated washer for locking

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20230114098A (en) 2022-01-24 2023-08-01 (주)더존테크 A composition of hard coating having high hardness and weather resistance

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101400942B1 (en) * 2006-06-08 2014-05-30 노드-락 에이비 A method for coating washers for locking and coated washer for locking

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