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Title:
TOOL FOR DECOMPRESSION HEAT TREATMENT, AND DECOMPRESSION HEAT TREATMENT METHOD
Document Type and Number:
Japanese Patent JP2009084607
Kind Code:
A
Abstract:

To provide a tool for decompression heat treatment which can prevent the stickiness of the tool for heat treatment to a material to be treated even in the case of performing a decompression heat treatment, and to provide a decompression heat treatment method using the tool.

The tool 1 for decompression heat treatment, which is used for supporting the material 8 to be treated when an iron-based material 8 to be treated is heat-treated under reduced pressure atmosphere reducing the pressure at lower than the atmospheric pressure, is composed of the iron-based material, and a film 2 composed of a remaining material during the heat treatment is formed at least on the surface in contact with the material 8. It is preferable that the film 2 contains a metal oxide having higher vaporizing temperature than the heat-treatment temperature under reduced pressure atmosphere, and also the film 2 contains alumina.


Inventors:
KATO SUSUMU
SHINKO NOZOMI
TABATA MORIYUKI
TAGUCHI KEITA
OKADA KAZUAKI
Application Number:
JP2007253191A
Publication Date:
April 23, 2009
Filing Date:
September 28, 2007
Export Citation:
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Assignee:
AISIN AW CO
International Classes:
C21D1/00; C21D1/06; C21D1/773; C21D9/32; C23C8/22; C23C10/22
Domestic Patent References:
JP2004535512A2004-11-25
JP2003213323A2003-07-30
JPS5045306U1975-05-07
JP2000204464A2000-07-25
Attorney, Agent or Firm:
Patent Business Corporation Aichi International Patent Office