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Patent Searching and Data


Title:
MIXED POWDER FOR IRON-BASED POWDER METALLURGY, METHOD FOR PRODUCING SAME, AND SINTERED BODY PRODUCED USING SAME
Document Type and Number:
WIPO Patent Application WO/2016/190037
Kind Code:
A1
Abstract:
This mixed powder for iron-based powder metallurgy contains a powder comprising anhydrite II such that the CaS weight ratio after sintering is 0.01 to 0.1 wt%. The powder containing anhydrite II preferably has a volume-average particle size of 0.1 to 60 µm and preferably additionally contains one or more ternary oxides selected from the group consisting of Ca-Al-Si oxides and Ca-Mg-Si oxides. The weight ratio of the ternary oxides and CaS after sintering is preferably 3:7 to 9:1.

Inventors:
AKAGI NOBUAKI
Application Number:
PCT/JP2016/063168
Publication Date:
December 01, 2016
Filing Date:
April 27, 2016
Export Citation:
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Assignee:
KOBE STEEL LTD (JP)
International Classes:
B22F1/052; C22C33/02
Foreign References:
JPS49109207A1974-10-17
JPH01255604A1989-10-12
JPS5312912A1978-02-06
JP2006225200A2006-08-31
JPH09279204A1997-10-28
Other References:
See also references of EP 3305439A4
Attorney, Agent or Firm:
KOTANI, Etsuji et al. (JP)
Etsuji Kotani (JP)
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