Influence of elastic anisotropy on structural nanoscale textures

被引：139

作者：

Lloveras, Pol ^{[1
,2
]}

Castan, Teresa ^{[1
,2
]}

Porta, Marcel ^{[1
,2
]}

Planes, Antoni ^{[1
,2
]}

Saxena, Avadh ^{[2
,3
]}

机构：

[1] Univ Barcelona, Dept Estructura & Constituents Mat, E-08028 Barcelona, Catalonia, Spain

[2] Univ Barcelona, Inst Nanociencia & Nantecnol, Barcelona, Spain

[3] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA

来源：

PHYSICAL REVIEW LETTERS | 2008年 / 100卷 / 16期

关键词：

D O I：

10.1103/PhysRevLett.100.165707

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We study the influence of elastic anisotropy on nanoscale precursor textures that exist in some shape-memory alloys and show that tweed occurs in the limit of high elastic anisotropy while a nanocluster phase-separated state occurs for values of anisotropy inhibiting the formation of martensite. These results are consistent with specific heat data, elastic constant measurements, and zero-field cooling or field cooling experiments in nonstoichiometric NiTi alloys.

引用

页数：4

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