IMECH-IR  > 力学所知识产出(1956-2008)
Dislocations in the crystallites of nanocrystalline alpha-Fe - A molecular dynamics study
Chen ZY(陈致英); Ding JQ(丁家强); Chen, ZY (reprint author), CHINESE ACAD SCI,INST MECH,LAB NONLINEAR MECH CONINUOUS MEDIA,BEIJING 100080,PEOPLES R CHINA.
Source PublicationJournal of Materials Science & Technology
1996
Volume12Issue:6Pages:476-478
ISSN1005-0302
AbstractMolecular dynamics simulations are carried out in order to study the atomic structure of crystalline component, of nanocrystalline alpha-Fe when it is consolidated from small grains. A two-dimensional computational block is used to simulate the consolidation process. All the preset dislocations in the original grains glide out of them in the consolidation process, but new dislocations can generate when the grain size is large enough. It shows that dislocations exist in the consolidated material rather than in the original grains. Whether dislocations exist in the crystalline component of the resultant model nana-material depends upon grain size. The critical value of grain size for dislocation generation appears to be about 9 nm. This result agrees with experiments qualitatively.
Indexed BySCI
Language英语
WOS IDWOS:A1996WD93400017
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
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Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/39068
Collection力学所知识产出(1956-2008)
Corresponding AuthorChen, ZY (reprint author), CHINESE ACAD SCI,INST MECH,LAB NONLINEAR MECH CONINUOUS MEDIA,BEIJING 100080,PEOPLES R CHINA.
Recommended Citation
GB/T 7714
Chen ZY,Ding JQ,Chen, ZY . Dislocations in the crystallites of nanocrystalline alpha-Fe - A molecular dynamics study[J]. Journal of Materials Science & Technology,1996,12,6,:476-478.
APA Chen ZY,Ding JQ,&Chen, ZY .(1996).Dislocations in the crystallites of nanocrystalline alpha-Fe - A molecular dynamics study.Journal of Materials Science & Technology,12(6),476-478.
MLA Chen ZY,et al."Dislocations in the crystallites of nanocrystalline alpha-Fe - A molecular dynamics study".Journal of Materials Science & Technology 12.6(1996):476-478.
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