Invention Grant
- Patent Title: Heat treatment of iron-based components
- Patent Title (中): 铁基组件的热处理
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Application No.: US10366616Application Date: 2003-02-14
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Publication No.: US06989062B2Publication Date: 2006-01-24
- Inventor: Ye Zhou , Per-Olof Larsson , Henrik Andersson , Lars Hultman
- Applicant: Ye Zhou , Per-Olof Larsson , Henrik Andersson , Lars Hultman
- Applicant Address: SE Höganäs
- Assignee: Höganäs AB
- Current Assignee: Höganäs AB
- Current Assignee Address: SE Höganäs
- Agency: Buchanan Ingersoll PC
- Priority: SE0203168 20021025
- Main IPC: H01F1/03
- IPC: H01F1/03
Abstract:
The present invention concerns a method of improving the properties of powder metallurgically produced SMC compacted body consisting of a soft magnetic material of insulated powder particles and a lubricant, to a stress relieving heat treatment in a furnace until the component has reached a temperature of at least 400° C. in an oxygen containing atmosphere having a CO content is less than 0.25% by volume.
Public/Granted literature
- US20040079452A1 Heat treatment of iron-based components Public/Granted day:2004-04-29
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