Abstract This work presents strong evidence for structural damage accumulation as a function of shear strain admitted by shear bands in a Zr-based bulk metallic glass. Analyzing the shear-band structure of shear-band segments that experienced shear strains covering four orders of magnitude with high-angle annular dark field transmission electron microscopy (HAADF-STEM) reveals strongly scattered data with on overall trend of increasing local volume dilatation with increasing shear strain. Locally, however, a variety of trends is observed, which underlines the strong heterogeneity of structural damage in shear bands in metallic glasses.

中文翻译：

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Zr基块状金属玻璃中的应变相关剪切带结构

摘要 这项工作为结构损伤积累提供了强有力的证据，证明结构损伤累积是 Zr 基块状金属玻璃中剪切带所承认的剪切应变的函数。用高角度环形暗场透射电子显微镜 (HAADF-STEM) 分析经历了四个数量级的剪切应变的剪切带段的剪切带结构，揭示了强烈分散的数据，总体趋势是局部体积膨胀随着增加而增加。剪切应变。然而，在局部观察到各种趋势，这突显了金属玻璃剪切带中结构损伤的强烈异质性。