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Compositional variation and microstructural evolution in laser additive manufactured Ti/Ti-6Al-2Zr-lMo-lV graded structural material

机译:激光添加制造的Ti / Ti-6Al-2Zr-lMo-lV梯度结构材料的成分变化和微观结构演变

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摘要

The compositional variation and the microstructural evolution in laser additive manufactured Ti/Ti-6Al-2Zr-l Mo-1 V graded structural material were investigated. An anomalous compositional variation and its good correlation with hardness were found. Although, during the forming process, the ratio of Ti-6Al-2Zr-lMo-lV in feeded powders abruptly changes from 0% to 100%, all the elements exhibit a gradual variation, which is preferred to a graded material because such gradient change can decrease the discontinuity of its microstructures and properties and can remarkably reduce the costs due to the simplified manufacturing process and the rational distribution of materials.
机译:研究了激光添加剂制备的Ti / Ti-6Al-2Zr-1 Mo-1 V梯度结构材料的成分变化和微观结构演变。发现异常的组成变化及其与硬度的良好相关性。尽管在成型过程中,进料粉末中Ti-6Al-2Zr-1Mo-1v的比例突然从0%变为100%,但所有元素均呈现出逐渐变化的趋势,这对于梯度材料而言是优选的,因为这种梯度变化由于简化了的制造工艺和合理的材料分配,可以减少其微观结构和性能的不连续性,并可以显着降低成本。

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  • 来源
    《Materials Science and Engineering》 |2014年第2期|242-246|共5页
  • 作者单位

    Engineering Research Center of Ministry of Education on Laser Direct Manufacturing for Large Metallic Components, School of Materials Science and Engineering, Beihang University, 37 Xueyuan Road, Beijing 100191, People's Republic of China;

    Engineering Research Center of Ministry of Education on Laser Direct Manufacturing for Large Metallic Components, School of Materials Science and Engineering, Beihang University, 37 Xueyuan Road, Beijing 100191, People's Republic of China;

    Engineering Research Center of Ministry of Education on Laser Direct Manufacturing for Large Metallic Components, School of Materials Science and Engineering, Beihang University, 37 Xueyuan Road, Beijing 100191, People's Republic of China;

    Engineering Research Center of Ministry of Education on Laser Direct Manufacturing for Large Metallic Components, School of Materials Science and Engineering, Beihang University, 37 Xueyuan Road, Beijing 100191, People's Republic of China;

    Engineering Research Center of Ministry of Education on Laser Direct Manufacturing for Large Metallic Components, School of Materials Science and Engineering, Beihang University, 37 Xueyuan Road, Beijing 100191, People's Republic of China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Laser additive manufacturing; Graded structural material; Titanium alloys; Microstructure; Hardness;

    机译:激光增材制造;分级结构材料;钛合金;微观结构硬度;

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