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Intrinsic plasticity or brittleness of metallic glasses

文献类型:期刊论文

作者Lewandowski, JJ ; Wang, WH ; Greer, AL
刊名PHILOSOPHICAL MAGAZINE LETTERS
出版日期2005
卷号85期号:2页码:77
关键词NI-CU-BE FRACTURE-TOUGHNESS AMORPHOUS METALS ALLOYS FLOW DEFORMATION TEMPERATURE BEHAVIOR DUCTILE STATE
ISSN号0950-0839
通讯作者Lewandowski, JJ: Case Western Reserve Univ, Dept Mat Sci & Engn, 10900 Euclid Ave, Cleveland, OH 44106 USA.
中文摘要The intrinsic plasticity or brittleness of crystalline metals correlates with the ratio of the elastic shear modulus mu to the bulk modulus B; when the ratio mu/B exceeds a critical value, the metal is brittle. Sufficient data on elastic moduli and toughness are now available to permit an assessment for metallic glasses. We find a similar correlation, with the critical value of mu/B for metallic glasses (0.41-0.43) more sharply defined than for crystalline metals. This critical value applies also for annealing-induced embrittlement of metallic glasses. The clear correlation between mechanical behaviour (plasticity or brittleness) and mu/B assists in understanding flow and fracture mechanisms, and in guiding alloy design to alleviate brittleness of metallic glasses.
收录类别SCI
语种英语
公开日期2013-09-18
源URL[http://ir.iphy.ac.cn/handle/311004/40216]  
专题物理研究所_物理所公开发表论文_物理所公开发表论文_期刊论文
推荐引用方式
GB/T 7714
Lewandowski, JJ,Wang, WH,Greer, AL. Intrinsic plasticity or brittleness of metallic glasses[J]. PHILOSOPHICAL MAGAZINE LETTERS,2005,85(2):77.
APA Lewandowski, JJ,Wang, WH,&Greer, AL.(2005).Intrinsic plasticity or brittleness of metallic glasses.PHILOSOPHICAL MAGAZINE LETTERS,85(2),77.
MLA Lewandowski, JJ,et al."Intrinsic plasticity or brittleness of metallic glasses".PHILOSOPHICAL MAGAZINE LETTERS 85.2(2005):77.

入库方式: OAI收割

来源:物理研究所

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