Title:
NITRIDING TREATMENT METHOD
Document Type and Number:
Japanese Patent JP2003105525
Kind Code:
A
Abstract:
To provide a method of nitriding a metal material, by which the nitriding efficiency can be further enhanced beyond the conventional maximum efficiency hitherto realized by various improvements.
In the method for nitriding the metal material by supplying activated nitrogen to the metal material from a nitriding environment while holding the metal material in the nitriding environment, vibrations by ultrasonic waves are applied to the metal material.
Inventors:
SERIZAWA YOSHIHISA
Application Number:
JP2001294271A
Publication Date:
April 09, 2003
Filing Date:
September 26, 2001
Export Citation:
Assignee:
TOYOTA MOTOR CORP
International Classes:
C23C8/24; C21D1/04; C21D1/06; C23C8/36; C23C8/48; (IPC1-7): C23C8/24; C21D1/04; C21D1/06; C23C8/36; C23C8/48
Attorney, Agent or Firm:
Takashi Ishida (2 outside)