Title:
WEAR-RESISTANT PART AND MANUFACTURING METHOD FOR SAME
Document Type and Number:
WIPO Patent Application WO/2017/199922
Kind Code:
A1
Abstract:
A tooth (20) that is a wear-resistant part comprises a core (30), and a main portion (25) that is disposed so as to enclose the core (30) and that is made from a first metal. The core (30) comprises a matrix (31) made of a second metal, first hard particles (32) that are dispersed in the matrix (31), and a hard structure (33) that extends from the first hard particle (32) in a direction along the metal flow line (25F) of the main portion (25) and that is harder than the matrix (31).
Inventors:
OHISHI MASAYUKI (JP)
AMANO MASAHARU (JP)
TANAKA YOSHIKIYO (JP)
AMANO MASAHARU (JP)
TANAKA YOSHIKIYO (JP)
Application Number:
PCT/JP2017/018244
Publication Date:
November 23, 2017
Filing Date:
May 15, 2017
Export Citation:
Assignee:
KOMATSU MFG CO LTD (JP)
International Classes:
E02F9/28; B22F7/00; B22F7/08; B25D17/02; C22C38/00; C22C38/12
Domestic Patent References:
| WO2012157455A1 | 2012-11-22 |
Foreign References:
| JPH09287038A | 1997-11-04 | |||
| JPS5716106A | 1982-01-27 | |||
| JP2013046928A | 2013-03-07 | |||
| JPH0323025A | 1991-01-31 | |||
| JPH0577042A | 1993-03-30 | |||
| JPH0488137A | 1992-03-23 | |||
| JPH07303956A | 1995-11-21 |
Attorney, Agent or Firm:
KITANO, Shuhei (JP)
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