Dynamic recrystallization in a Ni-Ti-Fe shape memory alloy: Effects on austenite-martensite phase transformation

被引：21

作者：

Basu, Ritwik ^{[1
]}

Jain, Lokendra ^{[2
]}

Maji, Bikas ^{[3
]}

Krishnan, Madangopal ^{[3
]}

机构：

[1] Univ Saskatchewan, Dept Mech Engn, Saskatoon, SK S7N 5A9, Canada

[2] Indian Inst Technol, Dept Met Engn & Mat Sci, Bombay 400076, Maharashtra, India

[3] Bhabha Atom Res Ctr, Div Mat Sci, Mumbai 400085, Maharashtra, India

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2015年 / 639卷

关键词：

Shape memory alloy; Hot working; Phase transformation; Dynamic recrystallization; Microtexture; EBSD; HIGH-TEMPERATURE DEFORMATION; MICROSTRUCTURAL EVOLUTION; HEAT-TREATMENT; BEHAVIOR; PRECIPITATION; DSC; VARIANCE; TEXTURE; WORKING; CAST;

D O I：

10.1016/j.jallcom.2015.03.085

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：

Signatures of hot deformed Ni-Ti-Fe microstructures ranged from strain localizations and grain boundary serrations to presence of relatively fine nearly equiaxed grains. The latter was shown, through estimates of in-grain misorientations, as dynamically recrystallized. Their presence was more at higher working temperatures and at higher strain rates. Increased presence of such dynamically recrystallized grains led to clear suppression of austenite <-> martensite phase transformations. (C) 2015 Elsevier B.V. All rights reserved.

引用

页码：94 / 101

页数：8

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