IMECH-IR  > 非线性力学国家重点实验室
The correlation between weakest configurations and yield strength of Zr-based metallic glasses
Li MC; Jiang MQ(蒋敏强); Ding G; Peng ZH; Jiang F; He L; Sun J; Jiang, F (reprint author), Xi An Jiao Tong Univ, State Key Lab Mech Behav Mat, Xian 710049, Peoples R China.
Source PublicationJOURNAL OF NON-CRYSTALLINE SOLIDS
2017-07-15
Volume468Pages:52-57
ISSN0022-3093
AbstractA direct relationship between the yield strength and the atomic ratio of solvent (Zr) atoms in the Zr-Cu-Al-Ni metallic glasses system is firstly uncovered. It is found that either shear modulus or yield strength decreases almost nearly with the increase in atomic ratio of Zr. The origin of this relationship is ascribed to the preferential straining of the weakest configurations which consist of the solvent-solvent bonds and the free volume concentrated in them. It is suggested that a higher atomic ratio of Zr corresponds to a larger amount of weakest configurations which will facilitate the activation and the accumulation of the shear transformations and finally results in the lower yield strength. This finding may provide an effective strategy for designing high-strength metallic glasses by modifying the chemical composition.
KeywordMetallic Glasses Yield Strength Solvent Atoms Free Volume
DOI10.1016/j.jnoncrysol.2017.04.021
Indexed BySCI ; EI
Language英语
WOS IDWOS:000403117200009
WOS KeywordMEDIUM-RANGE ORDER ; MECHANICAL-PROPERTIES ; STRUCTURAL HETEROGENEITY ; TRANSITION-TEMPERATURE ; AMORPHOUS-ALLOYS ; ELASTIC-MODULUS ; PLASTICITY ; FLOW ; RELAXATION ; STRAIN
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Ceramics ; Materials Science, Multidisciplinary
Funding OrganizationNational Natural Science Foundation of China (NSFC)(51171138 ; Major Fundamental Research Projects of National Security(613262) ; 11522221 ; 11372315 ; 51321003)
DepartmentLNM冲击动力学与新型材料力学性能
Classification一类
Ranking2
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/60530
Collection非线性力学国家重点实验室
Corresponding AuthorJiang, F (reprint author), Xi An Jiao Tong Univ, State Key Lab Mech Behav Mat, Xian 710049, Peoples R China.
Recommended Citation
GB/T 7714
Li MC,Jiang MQ,Ding G,et al. The correlation between weakest configurations and yield strength of Zr-based metallic glasses[J]. JOURNAL OF NON-CRYSTALLINE SOLIDS,2017,468:52-57.
APA Li MC.,蒋敏强.,Ding G.,Peng ZH.,Jiang F.,...&Jiang, F .(2017).The correlation between weakest configurations and yield strength of Zr-based metallic glasses.JOURNAL OF NON-CRYSTALLINE SOLIDS,468,52-57.
MLA Li MC,et al."The correlation between weakest configurations and yield strength of Zr-based metallic glasses".JOURNAL OF NON-CRYSTALLINE SOLIDS 468(2017):52-57.
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