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Effects of Nb on the high temperature mechanical properties of TiNiAl alloys

  • G. S. Qiu*
  • , X. Q. Zhao
  • , L. J. Meng
  • , H. B. Xu
  • *此作品的通讯作者
  • Beihang University

科研成果: 书/报告/会议事项章节会议稿件同行评审

摘要

A series of NiTiAl based alloys with different amount of Nb addition were prepared and the effects of Nb on both the mechanical properties and microstructure evolution were investigated. The addition of Nb can remarkably enhance the high temperature yield strength of these alloys. The highest yield strength of the alloys with 10 at% Nb reaches 1237MPa at 873K and 875MPa at 973K, respectively. The Ti2Ni(Al,Nb) precipitates and the solution strengthening effect might be responsible for the high yield stress achieved at high temperature.

源语言英语
主期刊名Progress in Light Metals, Aerospace Materials and Superconductors
出版商Trans Tech Publications Ltd
1477-1480
页数4
版本PART 3
ISBN(印刷版)0878494324, 9780878494323
DOI
出版状态已出版 - 2007
活动2006 Beijing International Materials Week, 2006 BIMW -International Conference on Aerospace Materials, ICAM 2006 - Beijing, 中国
期限: 25 6月 200630 6月 2006

出版系列

姓名Materials Science Forum
编号PART 3
546-549
ISSN(印刷版)0255-5476
ISSN(电子版)1662-9752

会议

会议2006 Beijing International Materials Week, 2006 BIMW -International Conference on Aerospace Materials, ICAM 2006
国家/地区中国
Beijing
时期25/06/0630/06/06

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