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Preparation of metal alloy powder by semi-solid processing

机译:半固态加工制备金属合金粉末

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摘要

A laboratory study was carried out, using Pb–15 wt.% Sn alloy on self-made apparatus, to determine the solidification behavior of the semi-solid slurry with the solid fraction beyond 0.6. It is found that the solid–liquid separation is obvious in the samples with the solid fraction beyond 0.6. According to this character of semi-solid processing, a kind of single-crystal powder coated with Pb–Sn eutectic was made during continuous stirring and cooling processes. The analysis and discussion indicated that this approach can reduce the content of oxide and impurity in the powder.
机译:进行了一项实验室研究,在自制设备上使用Pb–15 wt。%Sn合金确定了固体分数超过0.6的半固态浆料的凝固行为。发现固含量超过0.6的样品中固液分离明显。根据半固态加工的这一特性,在连续搅拌和冷却过程中制得了一种涂有Pb-Sn共晶的单晶粉末。分析和讨论表明,该方法可以减少粉末中的氧化物和杂质含量。

著录项

  • 来源
    《Journal of Materials Science》 |2007年第8期|2669-2674|共6页
  • 作者

    Tao Li; Xin Lin; Weidong Huang;

  • 作者单位

    Department of Materials Science Engineering Nanjing University of Science and Technology Nanjing 210094 P. R. China;

    State Key Laboratory of Solidification Processing Northwestern Polytechnical University Xi’an 710072 P. R. China;

    State Key Laboratory of Solidification Processing Northwestern Polytechnical University Xi’an 710072 P. R. China;

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  • 正文语种 eng
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