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首页> 外文期刊>Materials Science and Engineering >Fabrication, characterization, and mechanical properties of 93W-4.9Ni-2.1Fe/95W-2.8Ni-1.2Fe-1Al_2O_3 heavy alloy composites
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Fabrication, characterization, and mechanical properties of 93W-4.9Ni-2.1Fe/95W-2.8Ni-1.2Fe-1Al_2O_3 heavy alloy composites

机译：93W-4.9Ni-2.1Fe / 95W-2.8Ni-1.2Fe-1Al_2O_3重合金复合材料的制备，表征和力学性能

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摘要

In this study, tungsten heavy alloy (WHA) composites were fabricated based on tungsten (W), nickel (Ni), and iron (Fe) system. WHA composites with the composition 93W-4.9Ni-2.1Fe/95W-2.8Ni-1.2Fe-1Al_2O_3 were prepared by liquid-phase sintering and post-heat treatment to meet the requirement for complex mechanical performance. The relationship between the microstructural characteristics (relative density, W-grain size, and W-W contiguity) and mechanical properties was investigated. Variation in the content of W and addition of Al_2O_3 resulted in a significant difference in the microstructure of the two parts of W-Ni-Fe heavy alloy composite. The microstructure of the alloy significantly influenced the tensile properties of the two parts of the W-Ni-Fe heavy alloy composite; however, it did not affect their compressive deformation behaviors.
机译：在这项研究中，基于钨（W），镍（Ni）和铁（Fe）系统制备了钨重合金（WHA）复合材料。通过液相烧结和后热处理工艺制备了成分为93W-4.9Ni-2.1Fe / 95W-2.8Ni-1.2Fe-1Al_2O_3的WHA复合材料，以满足复杂的机械性能要求。研究了微观结构特征（相对密度，W晶粒尺寸和W-W连续性）与力学性能之间的关系。 W含量的变化和Al_2O_3的添加导致W-Ni-Fe重合金复合材料两部分的显微组织发生显着差异。合金的微观结构显着影响了W-Ni-Fe重合金复合材料两部分的拉伸性能。但是，它并没有影响它们的压缩变形行为。

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  • 来源
    《Materials Science and Engineering》 |2015年第11期|452-458|共7页
  • 作者

    Ke Hu; Xiaoqiang Li; Xuan Ai; Shengguan Qu; Yuanyuan Li;

  • 作者单位

    National Engineering Research Center of Near-Net-Shape Forming for Metallic Materials, South China University of Technology, Guangzhou 510640, PR China;

    National Engineering Research Center of Near-Net-Shape Forming for Metallic Materials, South China University of Technology, Guangzhou 510640, PR China;

    National Engineering Research Center of Near-Net-Shape Forming for Metallic Materials, South China University of Technology, Guangzhou 510640, PR China;

    National Engineering Research Center of Near-Net-Shape Forming for Metallic Materials, South China University of Technology, Guangzhou 510640, PR China;

    National Engineering Research Center of Near-Net-Shape Forming for Metallic Materials, South China University of Technology, Guangzhou 510640, PR China;

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  • 正文语种 eng
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  • 关键词

    Tungsten heavy alloy composite; Alumina addition; Mechanical properties;

    机译：钨重合金复合材料;氧化铝添加;机械性能;

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