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Title:
SINTERED MATERIAL, GEAR, AND METHOD FOR MANUFACTURING SINTERED MATERIAL
Document Type and Number:
WIPO Patent Application WO/2020/158789
Kind Code:
A1
Abstract:
A sintered material having a relative density of at least 96% and comprising an iron-based alloy composition comprising Ni, C and at least one element selected from the group consisting of Mo, Mn, Cr, B and Si, with the remainder being made up of Fe and impurities, and a system in which, in a cross section of a surface layer from the surface to 200μm towards the interior, at most 250 compound particles having a size of at least 0.3μm are present per 100μm×100μm unit area.

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Inventors:
TASHIRO TAKAYUKI (JP)
EGASHIRA SHIGEKI (JP)
ISHIMINE TOMOYUKI (JP)
TOMINAGA KOSUKE (JP)
Application Number:
PCT/JP2020/003129
Publication Date:
August 06, 2020
Filing Date:
January 29, 2020
Export Citation:
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Assignee:
SUMITOMO ELECTRIC INDUSTRIES (JP)
SUMITOMO ELECTRIC SINTERED ALLOY LTD (JP)
International Classes:
B22F3/02; B22F3/10; B22F5/08; C22C38/00; C21D1/06; C21D9/32
Foreign References:
JPH05222482A1993-08-31
JP2016000854A2016-01-07
JPS58130249A1983-08-03
JP2004513233A2004-04-30
Attorney, Agent or Firm:
YAMANO Hiroshi et al. (JP)
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