Title:
マイクロアーク酸化によるバルブ金属部品の高接着性の厚い保護コーティングを生産する方法
Document Type and Number:
Japanese Patent JP4365415
Kind Code:
B2
Abstract:
The invention relates to electrochemistry, in particular to anodizing parts made of valve metals such as aluminium, titanium, tantalum etc and alloys thereof and can be used for producing solid heat-resistant and wear-resistant coatings for mechanical engineering. A method consists in placing a part in an electrolyte on a current-conductive holder coated with an insulating material, producing a working voltage between said part and electrolyte and raising the voltage until a micro-arc discharge is originated on the part surface. The holder of the part is externally coated with an electroinsulating material at the air-electrolyte interface. The technical result of the invention is to produce by micro-arc oxidation heavy protective coatings which exhibit a high-hardness, have a low friction factor and a high adhesion to a base material on the parts made of the valve metals or alloys thereof.
Inventors:
Nikiforov, Alexei Alexandrovich
Application Number:
JP2006549176A
Publication Date:
November 18, 2009
Filing Date:
January 12, 2004
Export Citation:
Assignee:
Nikiforov, Alexei Alexandrovich
International Classes:
C25D11/04; C25D11/02
Domestic Patent References:
| JP2002508454A | ||||
| JP2000226692A | ||||
| JP10509772A | ||||
| JP5239692A |
Other References:
金属表面技術協会,陽極酸化,日本,朝倉書店,1969年 8月25日,初版,p.153
小久保定次郎,アルミニウムの表面処理,日本,内田老鶴圃,1953年10月25日,p.151
表面技術協会,表面技術便覧,日本,日刊工業新聞社,1998年 2月27日,初版1刷,p.526
小久保定次郎,アルミニウムの表面処理,日本,内田老鶴圃,1953年10月25日,p.151
表面技術協会,表面技術便覧,日本,日刊工業新聞社,1998年 2月27日,初版1刷,p.526
Attorney, Agent or Firm:
Atsushi Aoki
Takashi Ishida
Tetsuji Koga
Satoshi Deno
Takashi Ishida
Tetsuji Koga
Satoshi Deno