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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 >Inherent strength of zirconium-based bulk metallic glass
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Inherent strength of zirconium-based bulk metallic glass

机译：锆基大块金属玻璃的固有强度

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摘要

The polycluster morphology and inherent tensile strength of bulk metallic glass Zr_(41)Ti_(14)Cu_(12.5)Ni_(10)Be _(22.5) in the as-cast state were determined by means of high-field mechanical loading using field ion microscopy. The two-level cluster structure with the length scale of the order of 2 and 10 nm was revealed. It was disclosed that the strength of this alloy is characterized by a strong size-effect in a nanometer scale range. It is shown that within this size region the Weibull distribution is not suitable to describe the scale effect. It is ascertained that the limit level of shear strength of the examined glass is 5.8 GPa, and shear strength of a separate cluster may be estimated as 6.7 GPa.
机译：利用场强机械载荷法测定了铸态块状金属玻璃Zr_（41）Ti_（14）Cu_（12.5）Ni_（10）Be _（22.5）的多簇形貌和固有抗拉强度。离子显微镜。揭示了两级簇结构，其长度尺度为2和10nm。公开了这种合金的强度的特征在于在纳米尺度范围内的强尺寸效应。结果表明，在这个尺寸范围内，威布尔分布不适合描述尺度效应。确定所检查的玻璃的剪切强度的极限水平为5.8GPa，并且单独簇的剪切强度可以估计为6.7GPa。

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