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TITANIUM ALLOY MEMBER AND PRODUCTION METHOD THEREFOR
专利权人:
NHK SPRING CO.; LTD.
发明人:
SHIRAISHI, TOHRU,ONO, YOSHIKI,ARAOKA, YUJI
申请号:
EP12797338
公开号:
EP2719782A4
申请日:
2012.04.27
申请国别(地区):
EP
年份:
2015
代理人:
摘要:
A titanium alloy member with high strength and high proof stress not only in the surface but also inside, using a general and inexpensive ±-² type titanium alloy, and a production method therefor, are provided. The production method includes preparing a raw material made of titanium alloy, nitriding the raw material to form a nitrogen-containing raw material by generating a nitrogen compound layer and/or a nitrogen solid solution layer in a surface layer of the raw material, mixing the raw material and the nitrogen-containing raw material to yield a nitrogen-containing mixed material, sintering the nitrogen-containing mixed material to obtain a sintered titanium alloy member by bonding the material together and uniformly diffusing nitrogen in solid solution from the nitrogen-containing raw material to the entire interior portion of the sintered titanium alloy member, and hot plastic forming the sintered titanium alloy member.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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