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首页> 外文会议>International Conference on Manufacturing Engineering and Intelligent Materials >Microstructures and Properties of Sintered Cu-MoS2/Cu Functional Gradient Materials
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Microstructures and Properties of Sintered Cu-MoS2/Cu Functional Gradient Materials

机译：烧结Cu-MOS2 / Cu功能梯度材料的组织与性能

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The Cu-MoS_2/Cu functional gradient materials were prepared by powder metallurgy method. The effects of MoS_2 content on the microstructure, phase composition and wear performance were analyzed comprehensively. Solid-solid phase reaction occurred between MoS_2 and Cu in the sintering process. The products of such reaction are copper-molybdenum sulfur compounds, copper sulfide, and Mo complex. They are distributed uniformly in the grain boundary of the matrix. The transition layers existed in the Cu-MoS_2/Cu gradient materials. With the increasing of MoS_2 content, the amount of solid-solid phase reaction products also increased, with little decreasing of the density, electrical conductivity and tensile strength of the materials. While the hardness and the thickness of the solid lubrication film drastically increased. Especially, when the content of MoS_2 was 3%, the electrical conductivity and the mechanical properties showed a better balance between themselves. Besides, the wear performance of the composite materials was the best.
机译：通过粉末冶金方法制备Cu-MOS_2 / Cu功能梯度材料。全面分析MOS_2含量对微观结构，相成分和磨损性能的影响。在烧结过程中MOS_2和Cu之间发生固体固相反应。这种反应的产物是铜 - 钼硫化合物，硫化铜和Mo复合物。它们均匀地分布在基质的晶界中。过渡层存在于Cu-MOS_2 / Cu梯度材料中。随着MOS_2含量的增加，固相反应产物的量也增加，密度，电导率和材料的拉伸强度几乎没有降低。虽然固体润滑膜的硬度和厚度大幅增加。特别是，当MOS_2的含量为3％时，电导率和机械性能在它们之间显示出更好的平衡。此外，复合材料的磨损性能是最好的。

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