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Title:
METAL MATERIAL SURFACE TREATMENT METHOD, AND METAL MATERIAL
Document Type and Number:
WIPO Patent Application WO/2013/125657
Kind Code:
A1
Abstract:
A metal material surface treatment method involves: a step for immersing, in an electrolyte solution, an anode electrode and a material to be treated functioning as a cathode electrode and formed from a metal material having a surface to be treated; a step for applying, between the cathode electrode and the anode electrode, a voltage (A) equal to or greater than 70 V and within a voltage range in which the cathode electrode does not oxidize or dissolve; and a step for applying, between the cathode electrode and the anode electrode, a voltage (B) which is within the aforementioned voltage range and which is different from voltage (A) by 5 V or more. As a consequence, it is possible to impart new functions to the surface of a metal material without expending much effort or cost.

Inventors:
NAGOSHI MASAYASU (JP)
SATO KAORU (JP)
BABA KAZUHIKO (JP)
NORO HISATO (JP)
WATANABE SEIICHI (JP)
YOSHIDA SOUKI (JP)
Application Number:
PCT/JP2013/054412
Publication Date:
August 29, 2013
Filing Date:
February 21, 2013
Export Citation:
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Assignee:
JFE STEEL CORP (JP)
International Classes:
C23C26/00; B23H1/00; C25D5/26
Foreign References:
JPH04136198A1992-05-11
JPS4218043B
JP2004512430A2004-04-22
JPH05179419A1993-07-20
JP2002053977A2002-02-19
JPS6468477A1989-03-14
JPH0920983A1997-01-21
JP2008075064A2008-04-03
JP2000014755A2000-01-18
JP2001131768A2001-05-15
JP2007268761A2007-10-18
JP2002053978A2002-02-19
Other References:
CHANG-SOOLEE ET AL., THIN SOLID FILMS, vol. 518, 2010, pages 4757 - 4761
Attorney, Agent or Firm:
SAKAI, HIROAKI (JP)
Hiroaki Sakai (JP)
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Claims:



 
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