Order - disorder transformation in Ni-V alloys under electron irradiation

被引：1
|
作者：
Mahadevan, Sundararaman [1 ]
Singh, Jung Bahadur [1 ]
Banerjee, Srikumar [2 ]
Mori, Hirotaro [3 ]
机构：
[1] Bhabha Atom Res Ctr, Struct Met Sect, Mumbai 400085, Maharashtra, India
[2] Dept Atom Energy, Mumbai, Maharashtra, India
[3] Osaka Univ, Ctr Adv Struct & Funct Mat Design, Osaka, Japan
来源：
INTERNATIONAL JOURNAL OF MATERIALS RESEARCH | 2011年 / 102卷 / 09期
关键词：
Electron irradiation; Order-disorder transformation; High voltage electron microscopy; Ni3V alloy; Ni-V system; SHORT-RANGE ORDER; MO-BASED ALLOYS; ION IRRADIATION; NI4MO; MICROSCOPY; STABILITY; PHASES; NI3MO;
D O I：
10.3139/146.110566
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The ordering transformations in nickel-rich Ni-V alloys were investigated in situ in a high voltage electron microscope in the temperature range from 300 K to 773 K. The progress of ordering/disordering was monitored from diffraction patterns taken after different periods of time. The {1 1/2 0} ordering instability was noticed during irradiation of ordered Ni3V alloy at 300 K. The increase/decrease in superlattice intensity corresponding to long range ordered phases (Ni3V and Ni2V) in Ni-29 at.% V alloy has been attributed to the net effect of the simultaneous operation of different competing processes such as radiation induced disordering, radiation induced ordering and thermal diffusion assisted ordering.
引用
收藏
页码：1094 / 1100
页数：7
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