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Title:
VACUUM-CARBURIZED COMPONENT, MANUFACTURING METHOD THEREOF, AND HEAT-TREATMENT OIL COMPOSITION USED FOR THE METHOD
Document Type and Number:
Japanese Patent JP2008095188
Kind Code:
A
Abstract:

To provide a vacuum-carburized component, suitable to the confirmation of the performance to the vacuum-carburization or a processing thereafter, a manufacturing method thereof, and a heat-treatment oil composition used for the method.

In the method for manufacturing the vacuum-carburized part, by which the processing is applied to the carburized surface with the vacuum-carburization; a colored film is formed on the surface of a vacuum-carburized work by applying a quenching with the heat-treatment oil blended with coloring additive. Successively, at least one portion of the colored film is made to remove by applying the processing to the portion formed with the colored film.


Inventors:
SAKO MICHIO
TSUDA SATOHIKO
SEKI KATSUO
ICHITANI KATSUMI
Application Number:
JP2007237290A
Publication Date:
April 24, 2008
Filing Date:
September 12, 2007
Export Citation:
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Assignee:
NISSAN MOTOR
IDEMITSU KOSAN CO
International Classes:
C21D1/58; B23P13/00; C21D1/06; C21D7/04; C21D7/06; C21D9/28; C21D9/32; C23C8/20
Domestic Patent References:
JP2001192689A2001-07-17
JP2008095189A2008-04-24
JPH11263993A1999-09-28
JP2001192689A2001-07-17
JP2008095189A2008-04-24
Foreign References:
WO2003008653A12003-01-30
WO2003008653A12003-01-30
Attorney, Agent or Firm:
Masaki Goto
Masahiro Fujii
Yasunari Mita
Masaaki Iida