Invention Grant
- Patent Title: Iron-based alloy sintered body and iron-based mixed powder for powder metallurgy
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Application No.: US17595648Application Date: 2020-04-10
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Publication No.: US11884996B2Publication Date: 2024-01-30
- Inventor: Nao Nasu , Takuya Takashita , Akio Kobayashi
- Applicant: JFE STEEL CORPORATION
- Applicant Address: JP Tokyo
- Assignee: JFE STEEL CORPORATION
- Current Assignee: JFE STEEL CORPORATION
- Current Assignee Address: JP Tokyo
- Agency: KENJA IP LAW PC
- Priority: JP 19097928 2019.05.24
- International Application: PCT/JP2020/016187 2020.04.10
- International Announcement: WO2020/241087A 2020.12.03
- Date entered country: 2021-11-22
- Main IPC: C22C33/02
- IPC: C22C33/02 ; B22F1/00 ; C22C38/00 ; C22C38/18 ; B22F1/10 ; C22C38/12 ; C22C38/16 ; B22F3/16 ; C22C38/04
Abstract:
Provided is an iron-based alloy sintered body having a tensile strength of 800 MPa or more, excellent machinability, a microstructure with an average Vickers hardness of 300 Hv or more and 900 Hv or less and a standard deviation of Vickers hardness of 200 Hv or less, and an average pore circularity of 0.30 or more.
Public/Granted literature
- US20220219229A1 IRON-BASED ALLOY SINTERED BODY AND IRON-BASED MIXED POWDER FOR POWDER METALLURGY Public/Granted day:2022-07-14
Information query
