Invention Grant
- Patent Title: Heat-resistant sintered material having excellent high-temperature wear resistance and salt damage resistance and method for producing same
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Application No.: US16495301Application Date: 2018-03-26
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Publication No.: US11578393B2Publication Date: 2023-02-14
- Inventor: Ryosuke Fukuda , Masahisa Miyahara
- Applicant: Diamet Corporation
- Applicant Address: JP Niigata
- Assignee: Diamet Corporation
- Current Assignee: Diamet Corporation
- Current Assignee Address: JP Niigata
- Agency: Leason Ellis LLP
- Agent Melvin C. Garner; Mitsuhiro Haraguchi
- Priority: JPJP2017-088995 20170427
- International Application: PCT/JP2018/011980 WO 20180326
- International Announcement: WO2018/198628 WO 20181101
- Main IPC: C22C38/54
- IPC: C22C38/54 ; C22C38/02 ; C22C38/00 ; F16C33/14 ; B22F3/10 ; B22F5/10
Abstract:
This heat-resistant sintered material has, as an overall composition, a composition including, in terms of % by mass, Cr: 15% to 30%, Ni: 8% to 30%, Si: 2.0% to 6.0%, and C: 0.5% to 2.5% with a remainder being Fe and inevitable impurities, wherein the heat-resistant sintered material has a structure in which hard phases are dispersed in a matrix, the matrix includes Fe, Cr, Ni, and Si, the hard phase includes Fe, Cr, and C, and a porosity is 2.0% or less.
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