Interface reorientation during coherent phase transformations

被引：0
|
作者：
Levitas, V. I. [1 ]
Ozsoy, I. B.
Preston, D. L.
机构：
[1] Texas Tech Univ, Dept Mech Engn, Lubbock, TX 79409 USA
[2] Los Alamos Natl Lab, Div Phys, Los Alamos, NM 87545 USA
来源：
EPL | 2007年 / 78卷 / 01期
关键词：
D O I：
10.1209/0295-5075/78/16003
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The universal thermodynamic driving force for coherent plane interface reorientation (IR) during. first-order phase transformations (PT) in solids is derived. The relation between the rates of IR and interface propagation (IP) and the corresponding driving forces are derived for combined athermal and drag interface friction. The coupled evolution of IR and IP during cubic- tetragonal and tetragonal-orthorhombic PTs under three-dimensional loading is studied. An instability in the interface orientation is shown to have the features of a first-order PT. Copyright (c) EPLA, 2007.
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