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Effects of casting temperature on mechanical properties of Zr-based metallic glasses

机译：铸造温度对Zr基金属玻璃力学性能的影响

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摘要

The effects of casting temperature on microstructure and mechanical properties of as-cast 3 mm-diameter Zr_(64.9)Al_(7.9)Ni_(10.7)Cu_(16.5) and Zr_(47)Cu_(37.5)Ag_(7.5)Al_8 alloys were investigated. Itwas found that crystalline phases were precipitated in amorphous matrix as casting temperature increased. The compressive strength and Hv of as-cast Zr_(64.9)Al_(7.9)Ni_(10.7)Cu_(16.5) and Zr_(47)Cu_(37.5)Ag_(7.5)Al_8 alloys increased slightly when casting temperature increased. However, ultrahigh casting temperature resulted in formation of hard crystalline phase in metallic glass matrix, which caused increase of hardness and density, but decrease of compressive strength.
机译：铸造温度对铸态3mm直径Zr_（64.9）Al_（7.9）Ni_（10.7）Cu_（16.5）和Zr_（47）Cu_（37.5）Ag_（7.5）Al_8合金的组织和力学性能的影响调查。发现随着铸造温度的升高，结晶相在非晶态基质中沉淀。铸造温度升高时，铸态Zr_（64.9）Al_（7.9）Ni_（10.7）Cu_（16.5）和Zr_（47）Cu_（37.5）Ag_（7.5）Al_8合金的抗压强度和Hv略有增加。然而，超高的浇铸温度导致在金属玻璃基质中形成硬质晶相，从而导致硬度和密度增加，但抗压强度降低。

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  • 来源
    《Materials Science and Engineering》 |2010年第5期|981-985|共5页
  • 作者

    J. Mao; H.F. Zhang; H.M. Fu; A.M. Wang; H. Li; Z.Q. Hu;

  • 作者单位

    Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, 72 Wenhua Road, Shenyang 110016, China Graduate School of the Chinese Academy of Sciences, Beijing 100039, China;

    Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, 72 Wenhua Road, Shenyang 110016, China;

    Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, 72 Wenhua Road, Shenyang 110016, China;

    Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, 72 Wenhua Road, Shenyang 110016, China;

    Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, 72 Wenhua Road, Shenyang 110016, China;

    Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, 72 Wenhua Road, Shenyang 110016, China;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    metallic glass; casting temperature; mechanical property;

    机译：金属玻璃铸造温度机械性能;

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