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Title:
WEAR RESISTANT ALLOY
Document Type and Number:
Japanese Patent JP2020143380
Kind Code:
A
Abstract:
To provide a powder metallurgy produced alloy having an improved property profile for advanced forming applications, or to provide a powder metallurgy produced alloy having a composition and microstructure leading to improvements in the surface quality of products produced by the use of the alloy in tools and molds.SOLUTION: There is provided an alloy produced by powder metallurgy and having a non-amorphous matrix. The alloy consists of C 0-2.5 wt.%, Si 0-2.5 wt.%, Mn 0-15 wt.%, Cr 0-25 wt.%, Mo 4-35 wt.%, B 0.2-2.8 wt.%, optional elements, balance Fe and/or Ni apart from impurities. The alloy comprises 3-35 volume % hard phase particles, wherein the hard phase particles comprise at least one of borides, nitrides, carbides and/or combinations thereof, at least 90% of the hard phase particles have a size of less than 5 μm and at least 50% of the hard phase particles have a size in the range of 0.3-3 μm.SELECTED DRAWING: Figure 1

Inventors:
MAGNUS TIDESTEN
Application Number:
JP2020097227A
Publication Date:
September 10, 2020
Filing Date:
June 03, 2020
Export Citation:
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Assignee:
UDDEHOLMS AB
International Classes:
C22C38/00; B22F3/105; B22F3/15; B22F3/16; B22F3/20; B22F9/08; B33Y70/00; C22C33/02
Domestic Patent References:
JP2001279369A2001-10-10
JPH01252704A1989-10-09
JPH02175846A1990-07-09
JPH04221047A1992-08-11
JPS63114946A1988-05-19
Attorney, Agent or Firm:
Yoshiyuki Inaba
Toshifumi Onuki
Akihiko Eguchi
Kazuhiko Naito