Dilatancy signatures of amorphous plasticity probed by X-ray synchrotron radiation

doi:10.1016/j.intermet.2019.01.009

CORC > 力学研究所 > 中国科学院力学研究所 > 非线性力学国家重点实验室

	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)
刊名	INTERMETALLICS
	2019-04-01
卷号	107 页码:34-38
关键词	Amorphous alloys Plastic deformation X-ray synchrotron radiation Dilatancy Shear transformations
ISSN号	0966-9795
DOI	10.1016/j.intermet.2019.01.009
英文摘要	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.
分类号	一类
WOS关键词	SHEAR TRANSFORMATION ZONES ; BULK METALLIC GLASSES ; DEFORMATION ; FLOW ; DILATATION ; DYNAMICS ; ORIGIN
WOS研究方向	Chemistry, Physical ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
语种	英语
WOS记录号	WOS:000461401900006
资助机构	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]
其他责任者	Jiang, MQ
内容类型	期刊论文
源URL	[http://dspace.imech.ac.cn/handle/311007/78489]
专题	力学研究所_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.