Abnormal kinetics of ordering transformation in Ni2(Cr0.5, Mo0.5) alloy

被引：14
|
作者：
Verma, A. [1 ]
Singh, J. B. [1 ]
Chakravartty, J. K. [1 ]
机构：
[1] Bhabha Atom Res Ctr, Mech Met Div, Bombay 400085, Maharashtra, India
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2015年 / 639卷
关键词：
Continuous ordering; Short-range order; Transmission electron microscopy; Nickel superalloys; Splat-quenching; SHORT-RANGE ORDER; MO-BASED ALLOYS; HYDROGEN EMBRITTLEMENT; NI-2(CR0.5MO0.5) ALLOY; SUSCEPTIBILITY; RESISTIVITY; BEHAVIOR; NI4MO;
D O I：
10.1016/j.jallcom.2015.03.157
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Ni-Cr-Mo alloys undergo a disorder to order transformation via a short-range order. Enhanced defect concentration is known to accelerate ordering kinetics. However, a sluggish ordering kinetics has been observed in splat-quenched Ni-2(Cr-0.5, Mo-0.5) alloy that contained higher quenched-in defect. This curious observation of abnormal kinetics has been explained on the basis of smaller driving force for ordering due to the suppression of short-range order in splat-quenched samples. (C) 2015 Elsevier B. V. All rights reserved.
引用
收藏
页码：341 / 345
页数：5
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