KR20000014152A - Method for improving electrodeposition of plasma spray - Google Patents

Method for improving electrodeposition of plasma spray Download PDF

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Publication number
KR20000014152A
KR20000014152A KR1019980033394A KR19980033394A KR20000014152A KR 20000014152 A KR20000014152 A KR 20000014152A KR 1019980033394 A KR1019980033394 A KR 1019980033394A KR 19980033394 A KR19980033394 A KR 19980033394A KR 20000014152 A KR20000014152 A KR 20000014152A
Authority
KR
South Korea
Prior art keywords
plasma spray
metal
electrodeposition
coated
improving
Prior art date
Application number
KR1019980033394A
Other languages
Korean (ko)
Inventor
최창구
Original Assignee
권호택
대우전자부품 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 권호택, 대우전자부품 주식회사 filed Critical 권호택
Priority to KR1019980033394A priority Critical patent/KR20000014152A/en
Publication of KR20000014152A publication Critical patent/KR20000014152A/en

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Classifications

    • 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
    • C23C4/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/002—Pretreatement
    • 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
    • C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
    • C23C4/134—Plasma spraying

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Coating By Spraying Or Casting (AREA)

Abstract

PURPOSE: A method for improving the electrodeposition of plasma spray is provided, which is free from releasing. CONSTITUTION: The substrate is surface-treated by spraying ceramic balls having a diameter of several micrometers by using a sand blaster, thereby the smooth surface is transformed into the very rough embossed surface. And then the substrate having a rough embossed surface is coated with metals such as tantalum or aluminium by plasma spray method.

Description

플라즈마 스프레이 전착성 향상방법How to improve plasma spray electrodeposition

본 발명은 플라즈마 스프레이 방법으로 탄탈륨이나 알루미늄 등의 금속을 용융하여 용사할 때 금속 코팅층의 표면의 전착성을 향상시키는 방법에 관한 것이다.The present invention relates to a method of improving electrodeposition property of the surface of a metal coating layer when melting and thermally spraying a metal such as tantalum or aluminum by a plasma spray method.

탄탈륨이나 알루미늄 포일에 금속을 코팅하는 방법으로 보통 전기분해법을 사용하였으나, 전기분해는 그 특성상 부피가 큰 전해조를 필요로 하고, 또한 거기에 사용되는 용액을 만들고 후처리를 하여야 하는등 귀찮은 점이 많아서 요즘은 플라즈마 스프레이 방법을 사용한다. 플라즈마 스프레이 방법이란 코팅하고자 하는 금속을 플라즈마 스프레이 건에다 넣고 용융시킨다음 분사를 시켜 코팅할 모재판에 직접 분사하여 주는 방식이다. 이때 탄탈륨이나 알루미늄의 모재판에 용융된 금속을 용사하여 금속을 코팅할 때 표면 상태가 매끄러운 코팅층에 플라즈마 스프레이 방법으로 용사하므로 용사된 금속이 잘 전착되지 않고 박리되는 현상이 발생하는 문제점이 있었다.Electrolytic method is usually used as a method of coating metal on tantalum or aluminum foil, but electrolysis requires bulky electrolyzer due to its characteristics, and it is also annoying to make solution and post-treatment. Uses a plasma spray method. Plasma spraying is a method in which a metal to be coated is put in a plasma spray gun, melted, and then sprayed directly onto a base plate to be coated. In this case, when the molten metal is sprayed on the base plate of tantalum or aluminum, the sprayed metal is sprayed onto the coating layer having a smooth surface state by a plasma spray method, so that the sprayed metal is not easily electrodeposited and peeled off.

본 발명은 전술한 문제점을 해결하기 위하여 안출한 것으로서, 코팅할 모재판의 표면에 엠보싱 처리를 하여 용사되는 금속이 잘 전착되도록 하고자 하는 목적을 가지고 있다.The present invention has been made in order to solve the above-mentioned problems, and has the object of embossing the surface of the base plate to be coated so that the sprayed metal is well electrodeposited.

본 고안은 전술한 목적을 달성하기 위하여 플라즈마 스프레이법에 의하여 모재판에 금속을 코팅하는 방법에 있어서, 상기 모재판의 표면에 샌드블라스터를 이용하여 세라믹볼을 분사하여 표면에 엠보싱을 형성한후에 플라즈마 스프레이 방법을 이용하여 코팅할 금속을 용사하여 코팅하는 것을 특징으로 하는 플라즈마 스프레이 전착성 향상방법을 제공한다.The present invention is a method of coating a metal on the base plate by the plasma spray method in order to achieve the above object, after spraying a ceramic ball using a sandblaster on the surface of the base plate to form an embossing on the surface plasma spray It provides a plasma spray electrodeposition improving method characterized in that the coating by spraying a metal to be coated using a method.

본 발명의 구성 및 작용을 상세히 설명하면 다음과 같다.Referring to the configuration and operation of the present invention in detail.

코팅할 모재판에 샌드 블라스터를 이용하여 수 μm 직경의 세라믹 볼을 분사시켜 부드러운 박판 표면을 엠보싱 형태로 표면처리를 한다. 그러면 이 박판 표면이 세라믹 볼에 의해 매우 거친 상태의 엠보싱 형태로 형성된다. 그후에 상기 엠보싱 처리된 박판 표면위에 플라즈마 스프레이 방법을 써서 코팅하고자 하는 금속을 플라즈마 스프레이건을 사용하여 용사시켜 코팅을 한다.The surface of the thin plate is embossed by spraying a ceramic ball having a diameter of several μm using a sand blaster to the base plate to be coated. This thin plate surface is then formed into a very rough embossed form by ceramic balls. Thereafter, the metal to be coated is sprayed on the surface of the embossed sheet using a plasma spray gun to coat the coating.

이상과 같이 본 발명은 세라믹 볼에 의해 표면이 매우 거친상태의 엠보싱을 형성시키므로서 금속 모재에 플라즈마 스프레이건으로 코팅할 금속을 용사시킬 때 용융된 금속이 코팅될 모재에 잘 전착되어 전착성을 향상시키고 박리현상을 방지하는 효과가 있다.As described above, the present invention forms an embossed surface having a very rough surface by ceramic balls, and when the metal to be sprayed is sprayed onto the metal base material by plasma spray gun, the molten metal is well electrodeposited onto the base material to be coated to improve electrodeposition property. It is effective in preventing peeling phenomenon.

Claims (1)

플라즈마 스프레이법에 의하여 모재판에 금속을 코팅하는 방법에 있어서, 상기 모재판의 표면에 샌드블라스터를 이용하여 세라믹볼을 분사하여 표면에 엠보싱을 형성한후에 플라즈마 스프레이 방법을 이용하여 코팅할 금속을 용사하여 코팅하는 것을 특징으로 하는 플라즈마 스프레이 전착성 향상방법.In the method of coating the metal on the base plate by the plasma spray method, by spraying the ceramic ball on the surface of the base plate using a sandblaster to form an embossing on the surface, by spraying the metal to be coated using the plasma spray method Plasma spray electrodeposition improvement method characterized in that the coating.
KR1019980033394A 1998-08-18 1998-08-18 Method for improving electrodeposition of plasma spray KR20000014152A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019980033394A KR20000014152A (en) 1998-08-18 1998-08-18 Method for improving electrodeposition of plasma spray

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019980033394A KR20000014152A (en) 1998-08-18 1998-08-18 Method for improving electrodeposition of plasma spray

Publications (1)

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KR20000014152A true KR20000014152A (en) 2000-03-06

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KR1019980033394A KR20000014152A (en) 1998-08-18 1998-08-18 Method for improving electrodeposition of plasma spray

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