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Structural homology of the strength for metallic glasses

查看全文 作　　者：Weiming [1]Yang;Xinfa [1]Sun;Haishun [1]Liu;Changfeng [2]Yu;Wenyu [1]Li;Akihisa [1,3]Inoue;[4]DanielŞopud;Jürgen [4,5]Eckert;Chunguang [6]Tang 高影响力作者 机构地区：[1]School of Mechanics and Civil Engineering,State Key Laboratory for Geomechanics and Deep Underground Engineering,China University of Mining and Technology,Xuzhou 221116,China;[2]Departments of Physics,College of Science,Xi’an Polytechnic University,Xi’an 710048 China;[3]International Institute of Green Materials,Josai International University,Togane,283-8555,Japan;[4]Erich Schmid Institute of Materials Science,Austrian Academy of Science,8700 Leoben,Austria;[5]Department of Materials Science,Chair of Materials Physics,Montanuniversität Leoben,8700 Leoben,Austria;[6]Research School of Chemistry,Energy Change Institute,Australian National University,Canberra ACT 2601,Australia高影响力机构 出　　处：《Journal of Materials Science & Technology》索引2021年第22期,共8页高影响力期刊 基　　金：This work was supported financially by the National Natural Science Foundation of China(Nos.51871237 and 51631003);the Xuzhou Key Research&Development Program(No.KC17015);provided through the European Research Council under the Advanced Grant“INTELHYB–Next Generation of Complex Metallic Materials in Intelligent Hybrid Structures”(No.ERC-2013-ADG-340025)。 摘　　要：The structure-property relationship,one of the central themes in materials science,is far from being well understood for metallic glasses(MGs)due to the great complexity of their amorphous structures.Based on the analysis of published experimental data for 165 MGs from more than 15 different alloy systems,the present study reveals a universal dependence of mechanical properties(Young’s moduli,shear moduli and yield strength)on simple structural parameters(the inter-atomic distance and/or valence electron density)originating from the interatomic potential and Fermi sphere-Brillouin zone interaction.This work establishes a structure-property relationship for metallic glasses and provides insights into the fundamentals of the mechanical properties of disordered systems. 关 键 词：Metallic glasses Structure-property relationship Mechanical properties Inter-atomic distance Valence electron density
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