Fcc -> bcc -> hcp successive phase transformations in the strained ultrathin copper film: A molecular dynamic simulation study | |
Sun B; 欧阳文泽; Ren JJ; Mi LW; Guo W | |
发表期刊 | MATERIALS CHEMISTRY AND PHYSICS |
2019-02-01 | |
卷号 | 223页码:171-182 |
ISSN | 0254-0584 |
摘要 | The phase transformation behaviors of ultrathin Cu film under uniaxial tensile stress are investigated using molecular dynamic simulation. With the stress increasing, Cu film undergoes a successive phase transformation, i.e. firstly fcc -> bcc, then bcc -> hcp. The phase transformation process is very fast and thorough, i.e., all parents phase can transit into the new phase almost instantaneously. The crystallography mechanisms of two martensitic transformations are exactly corresponding to Bain and Burgers mechanism, respectively. By examining the formation conditions of such phase transformation in Cu film, we reveal that this fcc -> bcc -> hcp successive phase transformation will be subject to the very strict simulation conditions, namely stretching along [100] ( or [010], [001] ) direction, definitive tensile speed (1 x 10(10)/s7230-18.08 nm |
关键词 | Phase transformation Nanometer Cu film Uniaxial tensile strain Molecular dynamic simulation |
DOI | 10.1016/j.matchemphys.2018.09.045 |
收录类别 | SCI ; EI |
语种 | 英语 |
WOS记录号 | WOS:000456902400024 |
关键词[WOS] | HOMOGENEOUS DISLOCATION NUCLEATION ; HIGHER-ENERGY PHASES ; EPITAXIAL-GROWTH ; STRUCTURAL STABILITY ; CRYSTAL NUCLEATION ; CU ; DEFORMATION ; TRANSITION ; STRESS ; BCC |
WOS研究方向 | Materials Science, Multidisciplinary |
WOS类目 | Materials Science |
论文分区 | 二类 |
力学所作者排名 | 1 |
RpAuthor | Sun, B ; Ouyang, WZ |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://dspace.imech.ac.cn/handle/311007/78469 |
专题 | 微重力重点实验室 |
作者单位 | 1.{Sun, Bin、Mi, Liwei、Guo, Wei} Zhongyuan Univ Technol, Sch Mat & Chem Engn, Zhengzhou 450007, Henan, Peoples R China 2.{Ouyang, Wenze} Chinese Acad Sci, Inst Mech, Natl Micrograv Lab, Key Lab Micrograv, Beijing 100190, Peoples R China 3.{Ren, Jijiang} Zhongyuan Univ Technol, Sch Text, Zhengzhou 450007, Henan, Peoples R China |
推荐引用方式 GB/T 7714 | Sun B,欧阳文泽,Ren JJ,et al. Fcc -> bcc -> hcp successive phase transformations in the strained ultrathin copper film: A molecular dynamic simulation study[J]. MATERIALS CHEMISTRY AND PHYSICS,2019,223:171-182. |
APA | Sun B,欧阳文泽,Ren JJ,Mi LW,&Guo W.(2019).Fcc -> bcc -> hcp successive phase transformations in the strained ultrathin copper film: A molecular dynamic simulation study.MATERIALS CHEMISTRY AND PHYSICS,223,171-182. |
MLA | Sun B,et al."Fcc -> bcc -> hcp successive phase transformations in the strained ultrathin copper film: A molecular dynamic simulation study".MATERIALS CHEMISTRY AND PHYSICS 223(2019):171-182. |
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