Size- and temperature-induced phase transformations of titanium nanoparticles

被引：7

作者：

Xiong, Shiyun ^{[1
]}

Qi, Weihong ^{[1
,2
]}

Huang, Baiyun ^{[3
]}

Wang, Mingpu ^{[1
,2
]}

Li, Yejun ^{[1
]}

Li, Zhou ^{[1
,2
]}

Liang, Shuquan ^{[1
,2
]}

机构：

[1] Cent South Univ, Sch Mat Sci & Engn, Changsha 410083, Hunan, Peoples R China

[2] Minist Educ, Key Lab Nonferrous Mat Sci & Engn, Changsha 410083, Hunan, Peoples R China

[3] Cent South Univ, State Key Lab Powder Met, Changsha 410083, Hunan, Peoples R China

来源：

EPL | 2011年 / 93卷 / 06期

基金：

中国博士后科学基金;

关键词：

SHAPE-MEMORY ALLOY; STABILITY;

D O I：

10.1209/0295-5075/93/66002

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The size-temperature phase diagram of titanium nanoparticles has been obtained by calculating the corresponding Gibbs free energies of the FCC, BCC and HCP structures. It is found that these structures can transform from one into the other at specific sizes and temperature ranges, which is consistent with the available data reported in the literatures. Most importantly, we firstly predict that titanium particles with BCC structure can change to the FCC one in the size range 8.1-27.3 nm and in the temperature range 1156 1715 K. Copyright (C) EPLA, 2011

引用

页数：4

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