Wear resistant slide member made of iron-base sintered alloy

Details Wear resistant slide member made of iron-base sintered alloy Wear resistant slide member made of iron-base sintered alloy

1987-10-22

1989-01-10

Wolfe, Willis R.

Internal-combustion engines

Poppet valve operating mechanism

Rocker

123 9039, 123 906, 75230, 75236, 419 17, 419 29, 419 47, 428564, F01L 118, F01L 104

Patent

active

047965754

ABSTRACT:
A wear resistant slide member made of iron-base sintered alloy in which carbides are dispersed in a matrix phase. 80% or more of the carbides contained in an alloy metallurgical structure are 4.about.15 .mu.m in sized, the carbides are dispersed at an average grain interval of 5.about.15 .mu.m, and a field-of-view occupation area proportion of the carbides is 10.about.15%. If this slide member is used in slide contact with a second slide member made of iron-base alloy whose slide surface layer is subjected to remelt-hardening treatment by means of high-density energy irradiation, amounts of abrasion of the both slide members are sufficiently small, and excellent durability as a combination of slide members for use in a power machine, can be revealed.

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patent: 4632074 (1986-12-01), Takahashi et al.
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