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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 >Properties of as-cast and structurally relaxed Zr-based bulk metallic glasses
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Properties of as-cast and structurally relaxed Zr-based bulk metallic glasses

机译：铸态和结构松弛的Zr基大块金属玻璃的性能

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We have studied the influence of the arc melting procedure of Nb-containing Zr-based bulk metallic glasses(BMGs) on their thermal and mechanical properties. We found that the strength and plastic strain to failure, determined at room temperature. increases by the addition of a few percentage of Nb into the Zr-based BMGs. High-resolution transmission-electron microscopy results Show that the addition of 2 at.% Nb introduces the formation of as-cast nanocrystals. At the same time, thermal analyses indicate an increase in glass forming ability with the small addition of Nb. Contrary to the reported results in other amorphous alloys. we found that the plastic strain increases further after heat-induced structural relaxation in the Zr-based BMGs. (c) 2005 Elsevier B.V. All rights reserved.
机译：我们已经研究了含Nb的Zr基块状金属玻璃（BMG）的电弧熔化过程对其热性能和机械性能的影响。我们发现在室温下确定的破坏强度和塑性应变。通过向基于Zr的BMG中添加少量的Nb来增加。高分辨率透射电子显微镜结果表明，添加2 at。％Nb会形成铸态纳米晶体。同时，热分析表明，少量添加Nb可提高玻璃成型能力。与其他非晶态合金的报道结果相反。我们发现，在Zr基BMG中，热诱导的结构弛豫后，塑性应变进一步增加。 （c）2005 Elsevier B.V.保留所有权利。

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