Title:
NITRIDING QUENCHING METHOD
Document Type and Number:
Japanese Patent JP2010138460
Kind Code:
A
Abstract:
To provide a nitriding quenching method for carrying out nitriding quenching on a steel member, by which nitriding quenching can be carried out to a desired depth at a desired site of the steel member while suppressing variation in the nitriding treatment.
The nitriding quenching method comprises: a step of forming a plastic deformation layer by subjecting the surface of the steel member to plastic deformation; and a step of carrying out nitriding quenching by contacting at least the plastic deformation layer to a nitriding gas.
COPYRIGHT: (C)2010,JPO&INPIT
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Inventors:
SHIMIZU TAKUYA
YAMAMOTO IZURU
TAWA HISAYOSHI
YAMAMOTO IZURU
TAWA HISAYOSHI
Application Number:
JP2008317097A
Publication Date:
June 24, 2010
Filing Date:
December 12, 2008
Export Citation:
Assignee:
TOYOTA MOTOR CORP
International Classes:
C23C8/26; C21D1/06; C21D7/04; C23C8/02
Attorney, Agent or Firm:
Yusuke Hiraki
Sekiya Mitsuo
Sekiya Mitsuo