Dilatancy signatures of amorphous plasticity probed by X-ray synchrotron radiation | |
Sun X; Ding G; Mo G; Dai LH(戴兰宏); Jiang MQ(蒋敏强) | |
发表期刊 | INTERMETALLICS |
2019-04-01 | |
卷号 | 107页码:34-38 |
ISSN | 0966-9795 |
摘要 | The dilatancy signatures associated with the plastic deformation of a typical Zr-based amorphous alloy are captured by using synchrotron radiation X-ray diffraction (XRD) and small angle X-ray scattering (SAXS) techniques. XRD demonstrates that the right-subpeak atoms of the second coordination shell accommodate the local dilatation, which occurs prior to the plastic yielding and during the softening-to-flow transition process. Mediated by the local dilatation, local atomic rearrangements can operate at the left-subpeak of the second shell and/or at the fourth shell with a characteristic lengthscale of about 1 nm. The obtained dilatancy signatures of amorphous plasticity are further confirmed by SAXS in terms of the nano-scale structural heterogeneity. |
关键词 | Amorphous alloys Plastic deformation X-ray synchrotron radiation Dilatancy Shear transformations |
DOI | 10.1016/j.intermet.2019.01.009 |
收录类别 | SCI ; EI |
语种 | 英语 |
WOS记录号 | WOS:000461401900006 |
关键词[WOS] | SHEAR TRANSFORMATION ZONES ; BULK METALLIC GLASSES ; DEFORMATION ; FLOW ; DILATATION ; DYNAMICS ; ORIGIN |
WOS研究方向 | Chemistry, Physical ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering |
WOS类目 | Chemistry ; Materials Science ; Metallurgy & Metallurgical Engineering |
项目资助者 | National Natural Science Foundation of China [11522221, 11790292] ; Strategic Priority Research Program [XDB22040303] ; Key Research Program of Frontier Sciences of the Chinese Academy of Sciences [QYZDJSSW-JSC011] |
论文分区 | 一类 |
力学所作者排名 | 1 |
RpAuthor | Jiang, MQ |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://dspace.imech.ac.cn/handle/311007/78489 |
专题 | 非线性力学国家重点实验室 |
作者单位 | 1.{Sun, X、Ding, G、Dai, LH、Jiang, MQ} Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beisihuanxi Rd 15, Beijing 100190, Peoples R China 2.{Sun, X、Dai, LH、Jiang, MQ} Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China 3.{Ding, G} Xi An Jiao Tong Univ, State Key Lab Mech Behav Mat, Xian 710049, Peoples R China 4.{Mo, G} Chinese Acad Sci, Inst High Energy Phys, Synchrotron Radiat Lab, Beijing 100039, Peoples R China |
推荐引用方式 GB/T 7714 | Sun X,Ding G,Mo G,et al. Dilatancy signatures of amorphous plasticity probed by X-ray synchrotron radiation[J]. INTERMETALLICS,2019,107:34-38. |
APA | Sun X,Ding G,Mo G,戴兰宏,&蒋敏强.(2019).Dilatancy signatures of amorphous plasticity probed by X-ray synchrotron radiation.INTERMETALLICS,107,34-38. |
MLA | Sun X,et al."Dilatancy signatures of amorphous plasticity probed by X-ray synchrotron radiation".INTERMETALLICS 107(2019):34-38. |
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