Deformation-induced nanostructuring in a Ti-Nb-Ta-In β alloy

被引：24
|
作者：
Xu, W.
Kim, K. B.
Das, J.
Calin, M.
Rellinghaus, B.
Eckert, J.
机构：
[1] Tech Univ Darmstadt, FG Phys Metalkunde, Mat & Geowissensch FB 11, D-64287 Darmstadt, Germany
[2] Sejong Univ, Dept Adv Mat engn, Seoul 143747, South Korea
[3] IFW Dresden, Inst Met Werkstoffe, D-01069 Dresden, Germany
来源：
APPLIED PHYSICS LETTERS | 2006年 / 89卷 / 03期
关键词：
D O I：
10.1063/1.2222239
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Easy deformation-induced nanostructuring was found in a Ti-Nb-Ta-In beta alloy with low stability against alpha('') martensitic transformation. Upon severe plastic deformation at the sample center, the reversible beta ->alpha('') martensitic transformation plays a significant role for grain refinement. A possible mechanism is proposed, in which the formation of fine martensite, the interaction among slip dislocations, martensite and twins, and the reversible transition from alpha '' back to beta phase are considered as the main causes leading to pronounced grain refinement to the nanoscale. (c) 2006 American Institute of Physics.
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页数：3
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