THERMAL EFFECTS ASSOCIATED WITH STRESS-INDUCED MARTENSITIC-TRANSFORMATION IN A TI-NI ALLOY

被引：37

作者：

MUKHERJEE, K

SIRCAR, S

DAHOTRE, NB

机构：

[1] Michigan State Univ, Dep of, Metallurgy, Mechanics &, Materials Science, East Lansing, MI,, Michigan State Univ, Dep of Metallurgy, Mechanics & Materials Science, East Lansing, MI, USA

来源：

MATERIALS SCIENCE AND ENGINEERING | 1985年 / 74卷 / 01期

关键词：

METALLOGRAPHY; -; Transformations; STRAIN; Analysis;

D O I：

10.1016/0025-5416(85)90111-9

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Stress-induced martensitic transformation in a polycrystalline Ti-Ni alloy (Ti-50. 1 at. % Ni) has been investigated by following the instantaneous temperature change during deformation, the effects of strain rate on the kinetics of transformation and the calorimetric effects associated with the thermally induced transformation. Two separate stages of transformation strain and temperature increment are observed during stress-induced martensitic transformation in this alloy. It is proposed that the two stages of transformation strain and temperature rise during stress-induced transformation are related to the two calorimetric events in thermally induced transformation. It is shown that the stress-strain hysteresis loop as well as the two stages of temperature rise are influenced by the strain rate.

引用

页码：75 / 84

页数：10

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