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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
Source PublicationMATERIALS CHEMISTRY AND PHYSICS
2019-02-01
Volume223Pages:171-182
ISSN0254-0584
AbstractThe 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
KeywordPhase transformation Nanometer Cu film Uniaxial tensile strain Molecular dynamic simulation
DOI10.1016/j.matchemphys.2018.09.045
Indexed BySCI ; EI
Language英语
WOS IDWOS:000456902400024
WOS KeywordHOMOGENEOUS DISLOCATION NUCLEATION ; HIGHER-ENERGY PHASES ; EPITAXIAL-GROWTH ; STRUCTURAL STABILITY ; CRYSTAL NUCLEATION ; CU ; DEFORMATION ; TRANSITION ; STRESS ; BCC
WOS Research AreaMaterials Science, Multidisciplinary
WOS SubjectMaterials Science
Classification二类
Ranking1
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/78469
Collection国家微重力实验室
Affiliation1.{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
Recommended Citation
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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