Title:
METHOD FOR MANUFACTURING ELECTRODE MATERIAL AND ELECTRODE MATERIAL
Document Type and Number:
WIPO Patent Application WO/2016/039154
Kind Code:
A1
Abstract:
An electrode material comprising a sintered body containing a heat-resistant element and Cr infiltrated with a highly conductive metal. A powder mixture of a heat-resistant element powder and a Cr powder is calcined beforehand to cause solid-phase diffusion of the heat-resistant element and Cr. The MoCr solid solution obtained by calcination is pulverized, and the pulverized MoCr solid solution powder is molded and sintered. The sintered body obtained by sintering is subjected to the HIP process. The highly conductive metal is disposed on the sintered body after the HIP process, and infiltrated into the sintered body by heating at a predetermined temperature. The HIP process improves the voltage withstanding performance and current interruption performance of the electrode material.
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Inventors:
ISHIKAWA KEITA (JP)
KITAKIZAKI KAORU (JP)
HAYASHI SHOTA (JP)
KITAKIZAKI KAORU (JP)
HAYASHI SHOTA (JP)
Application Number:
PCT/JP2015/074160
Publication Date:
March 17, 2016
Filing Date:
August 27, 2015
Export Citation:
Assignee:
MEIDENSHA ELECTRIC MFG CO LTD (JP)
International Classes:
B22F3/15; B22F3/26; B22F5/00; C22C1/04; C22C1/08; C22C9/00; C22C27/04; C22C27/06
Domestic Patent References:
| WO2015133264A1 | 2015-09-11 | |||
| WO2015133263A1 | 2015-09-11 |
Foreign References:
| JP2012007203A | 2012-01-12 | |||
| JP2002180150A | 2002-06-26 | |||
| JP2006169547A | 2006-06-29 |
Other References:
See also references of EP 3187287A4
Attorney, Agent or Firm:
KOBAYASHI, Hiromichi et al. (JP)
Hiromichi Kobayashi (JP)
Hiromichi Kobayashi (JP)
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