Title:
Fe系シール摺動部材およびその製造方法
Document Type and Number:
Japanese Patent JP4799006
Kind Code:
B2
Abstract:
A ferrous seal sliding part excellent in heat crack resistance, seizure resistance and abrasion resistance is provided. The ferrous seal sliding part has a seal sliding surface, wherein the seal sliding surface has a quench hardened layer having a structure in which a martensite parent phase forms a solid solution with carbon of 0.15 to 0.6 wt % and contains cementite dispersed therein in a content of 3 to 50% by volume.
Inventors:
Takayama Takemori
Nakao Riki
Nakao Riki
Application Number:
JP2005034801A
Publication Date:
October 19, 2011
Filing Date:
February 10, 2005
Export Citation:
Assignee:
KOMATSU LTD.
International Classes:
C21D1/10; C22C38/00; C21D5/00; C21D9/00; C22C37/04; C22C37/08; C22C37/10; C22C38/36; C22C38/60; C21D1/18
Domestic Patent References:
| JP48007827A | ||||
| JP59020447A |
Attorney, Agent or Firm:
Mutsumi Yanase
Masaaki Utsunomiya
Atsushi Watanabe
Masaaki Utsunomiya
Atsushi Watanabe