WO2008136306A1 - Electroconductive member of stainless steel and process for producing the electroconductive member - Google Patents

Electroconductive member of stainless steel and process for producing the electroconductive member Download PDF

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Publication number
WO2008136306A1
WO2008136306A1 PCT/JP2008/057735 JP2008057735W WO2008136306A1 WO 2008136306 A1 WO2008136306 A1 WO 2008136306A1 JP 2008057735 W JP2008057735 W JP 2008057735W WO 2008136306 A1 WO2008136306 A1 WO 2008136306A1
Authority
WO
WIPO (PCT)
Prior art keywords
atom
electroconductive member
requirement
passive film
stainless steel
Prior art date
Application number
PCT/JP2008/057735
Other languages
French (fr)
Japanese (ja)
Inventor
Osamu Yamazaki
Nobuyuki Tanabe
Ryo Saitaka
Toshiki Yamamoto
Original Assignee
Nippon Kinzoku Co., Ltd.
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.)
Filing date
Publication date
Priority claimed from JP2007119692A external-priority patent/JP5309385B2/en
Priority claimed from JP2007119693A external-priority patent/JP5315571B2/en
Priority claimed from JP2007119691A external-priority patent/JP5190725B2/en
Priority claimed from JP2007119694A external-priority patent/JP5190726B2/en
Priority claimed from JP2008065691A external-priority patent/JP5315575B2/en
Priority claimed from JP2008065692A external-priority patent/JP5315576B2/en
Application filed by Nippon Kinzoku Co., Ltd. filed Critical Nippon Kinzoku Co., Ltd.
Publication of WO2008136306A1 publication Critical patent/WO2008136306A1/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Non-Insulated Conductors (AREA)
  • Conductive Materials (AREA)
  • Laminated Bodies (AREA)

Abstract

This invention provides an electroconductive member of a stainless steel, which retains a design on its surface, has excellent electroconductivity, and a low level of contact electrical resistance, and a process for producing the electroconductive member. The electroconductive member of a stainless steel satisfies at least one of the following requirements 1 to 6: (1) a requirement that the ratio of the X-ray intensity at a binding energy of 531.3 eV to the X-ray intensity at a binding energy of 530.1 eV as analyzed by surface X-ray photoelectron spectroscopy (XPS) is not less than 0.85; (2) a requirement that the concentration of F in a passive film is not less than 0.1 atom%; (3) a requirement that the concentration of Li in a passive film is not less than 0.01 atom%; (4) a requirement that the Cr/Fe ratio (atom%) in a passive film is 2 or more; (5) a requirement that, in a passive film, the Cr/Fe ratio (atom%) is 2 or more, and the content of Al is not more than 0.1 atom%; and (6) a requirement that, in a passive film, the Cr/Fe ratio (atom%) is 2 or more, and the content of Si is not more than 0.1 atom%.
PCT/JP2008/057735 2007-04-27 2008-04-22 Electroconductive member of stainless steel and process for producing the electroconductive member WO2008136306A1 (en)

Applications Claiming Priority (12)

Application Number Priority Date Filing Date Title
JP2007119692A JP5309385B2 (en) 2007-04-27 2007-04-27 Stainless steel conductive member and manufacturing method thereof
JP2007-119692 2007-04-27
JP2007119693A JP5315571B2 (en) 2007-04-27 2007-04-27 Stainless steel conductive member and manufacturing method thereof
JP2007119691A JP5190725B2 (en) 2007-04-27 2007-04-27 Stainless steel conductive member and manufacturing method thereof
JP2007-119691 2007-04-27
JP2007-119694 2007-04-27
JP2007119694A JP5190726B2 (en) 2007-04-27 2007-04-27 Stainless steel conductive member and manufacturing method thereof
JP2007-119693 2007-04-27
JP2008-065691 2008-03-14
JP2008065691A JP5315575B2 (en) 2008-03-14 2008-03-14 Al-containing ferritic stainless steel conductive member and method for producing the same
JP2008-065692 2008-03-14
JP2008065692A JP5315576B2 (en) 2008-03-14 2008-03-14 Si-containing ferritic stainless steel conductive member and method for producing the same

Publications (1)

Publication Number Publication Date
WO2008136306A1 true WO2008136306A1 (en) 2008-11-13

Family

ID=39943418

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/057735 WO2008136306A1 (en) 2007-04-27 2008-04-22 Electroconductive member of stainless steel and process for producing the electroconductive member

Country Status (2)

Country Link
TW (2) TWI427159B (en)
WO (1) WO2008136306A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013150947A1 (en) * 2012-04-04 2013-10-10 新日鐵住金株式会社 Cr-containing austenitic alloy
EP2738277A1 (en) * 2011-07-29 2014-06-04 JFE Steel Corporation Stainless steel for fuel cell separator
WO2021111775A1 (en) 2019-12-03 2021-06-10 パナソニックＩｐマネジメント株式会社 Electrochemical device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5726197A (en) * 1980-07-24 1982-02-12 Nippon Kinzoku Kk Surface treatment of stainless steel
JPH0565697A (en) * 1991-09-04 1993-03-19 Nippon Kinzoku Co Ltd Surface treatment of stainless steel, surface-treated stainless steel and gasket

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3172671D1 (en) * 1980-07-24 1985-11-21 Nippon Kinzoku Co Ltd Process for surface treatment of stainless steel sheet
SE511777C2 (en) * 1998-02-02 1999-11-22 Avesta Sheffield Ab Method of processing a metal product
US8518234B2 (en) * 2003-09-03 2013-08-27 Ati Properties, Inc. Oxidation resistant ferritic stainless steels

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5726197A (en) * 1980-07-24 1982-02-12 Nippon Kinzoku Kk Surface treatment of stainless steel
JPH0565697A (en) * 1991-09-04 1993-03-19 Nippon Kinzoku Co Ltd Surface treatment of stainless steel, surface-treated stainless steel and gasket

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2738277A1 (en) * 2011-07-29 2014-06-04 JFE Steel Corporation Stainless steel for fuel cell separator
EP2738277A4 (en) * 2011-07-29 2015-08-19 Jfe Steel Corp Stainless steel for fuel cell separator
WO2013150947A1 (en) * 2012-04-04 2013-10-10 新日鐵住金株式会社 Cr-containing austenitic alloy
JP5561431B2 (en) * 2012-04-04 2014-07-30 新日鐵住金株式会社 Chromium-containing austenitic alloy
CN104271790A (en) * 2012-04-04 2015-01-07 新日铁住金株式会社 Cr-containing austenitic alloy
US9493860B2 (en) 2012-04-04 2016-11-15 Nippon Steel & Sumitomo Metal Corporation Chromium-containing austenitic alloy
WO2021111775A1 (en) 2019-12-03 2021-06-10 パナソニックＩｐマネジメント株式会社 Electrochemical device
EP4071279A4 (en) * 2019-12-03 2023-12-20 Panasonic Intellectual Property Management Co., Ltd. Electrochemical device

Also Published As

Publication number Publication date
TW201303084A (en) 2013-01-16
TWI427159B (en) 2014-02-21
TW200848524A (en) 2008-12-16
TWI444506B (en) 2014-07-11

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