Title:
HARD SINTERED ALLOY
Document Type and Number:
WIPO Patent Application WO/2012/133328
Kind Code:
A1
Abstract:
Provided is a hard sintered alloy formed from hard phase particles that contain a M2M'B2 type compound boride (M and M' being different metal atoms) and a binder phase that contains an alloy containing M' as a main component. The hard sintered alloy is characterized by the average particle size of the hard phase particles being 0.5 - 5 µm, the ratio of contact of the hard phase particles with each other being 60% or less, and the mean free path of the binder phase being 0.1 - 5 µm.
Inventors:
HIRATA KOUROU (JP)
YANAGA HIROKI (JP)
YAMAZAKI YUJI (JP)
YANAGA HIROKI (JP)
YAMAZAKI YUJI (JP)
Application Number:
PCT/JP2012/057776
Publication Date:
October 04, 2012
Filing Date:
March 26, 2012
Export Citation:
Assignee:
TOYO KOHAN CO LTD (JP)
HIRATA KOUROU (JP)
YANAGA HIROKI (JP)
YAMAZAKI YUJI (JP)
HIRATA KOUROU (JP)
YANAGA HIROKI (JP)
YAMAZAKI YUJI (JP)
International Classes:
C22C29/14; C22C32/00
Domestic Patent References:
| WO1998005802A1 | 1998-02-12 |
Foreign References:
| JP2001089823A | 2001-04-03 | |||
| JPH02190440A | 1990-07-26 | |||
| JPH02185942A | 1990-07-20 | |||
| JPH05214479A | 1993-08-24 | |||
| JP2000319735A | 2000-11-21 | |||
| JPH06340941A | 1994-12-13 |
Attorney, Agent or Firm:
TOKOSHIE PATENT FIRM (JP)
It can exceed and is a patent business corporation. (JP)
It can exceed and is a patent business corporation. (JP)
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Claims:
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