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Intrinsic correlation between dilatation and pressure sensitivity of plastic flow in metallic glasses
Sun L(孙亮); Jiang MQ(蒋敏强); Dai LH(戴兰宏)
Source PublicationScripta Materialia
2010-07-24
Volume63Issue:9Pages:945-948
ISSN1359-6462
AbstractTaking shear-induced dilatation into consideration in shear transformation zone (STZ) operations, we derive a new yield criterion that reflects the pressure sensitivity in plastic flow in metallic glasses (MGs), which agrees well with experiments. Furthermore, an intrinsic theoretical correlation between the pressure sensitivity coefficient and the dilatation factor is revealed. It is found that the pressure sensitivity of plastic flow of MGs originates in the dilatation of microscale STZs.
KeywordMetallic Glasses Shear Transformation Zone Dilatation Pressure Sensitivity
Subject Area固体力学
DOI10.1016/j.scriptamat.2010.07.011
Indexed BySCI
Language英语
WOS IDWOS:000281990300011
WOS KeywordTEMPERATURE-DEPENDENCE ; MECHANICAL-PROPERTIES ; GRANULAR-MATERIALS ; AMORPHOUS-ALLOYS ; BEHAVIOR ; DEFORMATION ; CRITERION ; MODEL ; TRANSITION ; FRACTURE
WOS Research AreaScience & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectNanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
Citation statistics
Cited Times:21[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/42437
Collection非线性力学国家重点实验室
Corresponding AuthorDai LH(戴兰宏)
Recommended Citation
GB/T 7714
Sun L,Jiang MQ,Dai LH. Intrinsic correlation between dilatation and pressure sensitivity of plastic flow in metallic glasses[J]. Scripta Materialia,2010,63(9):945-948.
APA 孙亮,蒋敏强,&戴兰宏.(2010).Intrinsic correlation between dilatation and pressure sensitivity of plastic flow in metallic glasses.Scripta Materialia,63(9),945-948.
MLA 孙亮,et al."Intrinsic correlation between dilatation and pressure sensitivity of plastic flow in metallic glasses".Scripta Materialia 63.9(2010):945-948.
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