IN-SITU STUDY OF THE SELF-ACCOMMODATING PROCESS DURING THE MARTENSITIC-TRANSFORMATION OF A CU-ZN-AL SINGLE-CRYSTAL BY SYNCHROTRON X-RAY TOPOGRAPHY .2. DYNAMICS OF THE PROCESS AND ROLE OF CRYSTALLINE DEFECTS

被引：5

作者：

JOURDAN, C ^{[1
]}

GASTALDI, J ^{[1
]}

GRANGE, G ^{[1
]}

BELKAHLA, S ^{[1
]}

GUENIN, G ^{[1
]}

机构：

[1] INST NATL SCI APPL, GEMPPM, F-69621 VILLEURBANNE, FRANCE

来源：

ACTA METALLURGICA ET MATERIALIA | 1995年 / 43卷 / 12期

关键词：

D O I：

10.1016/0956-7151(95)00127-H

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The martensitic transformation of Cu-Zn-Al single crystals has been followed in situ and in real time by synchrotron X-ray topography. We have shown that at the M(s) temperature, the transformation proceeds by nucleation and growth of transformation variants associated by self-accommodating pairs. The nucleation of these variants is triggered by the crystal substructure. When the martensitic transformation is multivariant the behaviour of the crystal substructure and the development of elastic stresses inducing a reversible curvature of lattice planes has been displayed.

引用

页码：4227 / 4234

页数：8

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