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首页> 外文期刊>Journal of Non-Crystalline Solids: A Journal Devoted to Oxide, Halide, Chalcogenide and Metallic Glasses, Amorphous Semiconductors, Non-Crystalline Films, Glass-Ceramics and Glassy Composites >Elastic properties of some bulk metallic glasses
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Elastic properties of some bulk metallic glasses

机译：一些大块金属玻璃的弹性

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摘要

The relationships between the elastic moduli, glass forming ability and response to deformation of bulk metallic glasses are investigated. Five bulk metallic glasses are prepared from high purity elements via suction casting. The results confirm that there exists a correlation between energy absorbed to failure during compression testing and the bulk to shear modulus ratio. This finding is developed such that it corresponds only to the elastic component of energy absorption, and that the bulk modulus dominates this. Plastic deformation appears to be favored by a reduced shear modulus, although it shows greater dependence on structural features that are frozen in during the glass transition, and so may well be dependent on the liquid fragility.
机译：研究了弹性模量，玻璃成型能力与大块金属玻璃变形响应之间的关系。用高纯度元素通过吸铸法制备了五块大块金属玻璃。结果证实在压缩测试期间吸收到破坏的能量与体积与剪切模量比之间存在相关性。开发该发现使得它仅对应于能量吸收的弹性分量，而体积模量占主导地位。塑性变形似乎受剪切模量降低的影响，尽管它对玻璃化转变过程中冻结的结构特征的依赖性更大，因此很可能取决于液体的脆性。

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