Title:
ANTIFRICTION MEMBER AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
Japanese Patent JP2018123388
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To suppress coarse of hard particles in a heap layer and enhance machinability of the heap layer.SOLUTION: There is provided a manufacturing method of an antifriction member having a step for forming a heap layer by a heating part is moved relatively to a substrate while supplying a powder for heap layer containing a hard powder containing silicide containing one or more kind of element of Cr, Fe, Co, Ni and Cu and one or more element of Mo, W and Nb as a hard phase, and a copper-based matrix powder and melting the same with a local heating device, and a step for cut processing the heap layer formed on the substrate. The hard powder contains a first hard powder HP1 and a second hard powder HP2, the second hard powder HP2 is supplied to a molten pool 21 formed by melting the first hard powder HP1 and a matrix powder MP with the local heating device separately from the first hard powder HP1 in the step for forming the heap layer 20, and at least a part of the second hard powder HP2 remains inside of the heap layer 20 at a non-molten state.SELECTED DRAWING: Figure 5
Inventors:
TANAKA KEIZO
YAMAMOTO YASUHIRO
YAMAMOTO YASUHIRO
Application Number:
JP2017017454A
Publication Date:
August 09, 2018
Filing Date:
February 02, 2017
Export Citation:
Assignee:
TOYOTA MOTOR CORP
International Classes:
C22C1/05; B22F1/00; C22C1/04; C22C9/06; C22C30/02; C23C26/00
Domestic Patent References:
| JP2008264842A | 2008-11-06 | |||
| JP2001105177A | 2001-04-17 | |||
| JPH01111831A | 1989-04-28 | |||
| JPH04246142A | 1992-09-02 | |||
| JP2005256146A | 2005-09-22 |
Foreign References:
| WO2002055748A1 | 2002-07-18 | |||
| WO2009122985A1 | 2009-10-08 |
Attorney, Agent or Firm:
Ken Ieiri