粉末冶金法制备WC/AZ91镁基复合材料的力学性能与微观组织的研究

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英文篇名：Study on Mechanical Properties and Microstructure of WC/AZ91 Magnesium Matrix Composites Prepared by Powder Metallurgy 作者：杨永潇 ; 毛多鹭 ; 李海滨 ; 赵元娟 ; 马生花 ; 彭建洪 英文作者：YANG Yongxiao;MAO Duolu;LI Haibin;ZHAO Yuanjuan;MA Shenghua;PENG Jianhong;College of Physics and Electronic Information Engineering, Qinghai Nationalities University; 关键词：粉末冶金法 ; WC ; 镁基复合材料 ; 力学性能 英文关键词：powder metallurgic method;;WC;;magnesium matrix composite;;mechanical properties 中文刊名：SJGY 英文刊名：Hot Working Technology 机构：青海民族大学物理与电子信息工程学院; 出版日期：2019-04-28 13:56 出版单位：热加工工艺 年：2019 期：v.48;No.510 基金：青海省国际科技合作项目(2015-HZ-811);; 国家科技部国际科技合作项目(2015DFR50990) 语种：中文; 页：SJGY201908028 页数：5 CN：08 ISSN：61-1133/TG 分类号：119-123

摘要

采用粉末冶金法成功制备了不同质量分数碳化钨(WC)颗粒增强的AZ91镁基复合材料,对WC/AZ91镁基复合材料力学性能与微观组织之间的关联性进行了分析。结果表明,加入2wt%WC的镁基复合材料表现出良好的综合性能,其拉伸屈服强度、压缩屈服强度和硬度分别高达365 MPa、453 MPa和115 HB,与AZ91基体合金比较均有不同程度的改善。除此之外,复合材料还呈现出较好的塑性。
        AZ91 magnesium matrix composites reinforced by tungsten carbide(WC) particles with different mass fraction were successfully prepared by powder metallurgy method. The relationship between mechanical properties and microstructure of WC/AZ91 magnesium matrix composites was analyzed. The results show that, the magnesium matrix composites with2 wt% WC shows good comprehensive properties. The tensile yied stress, compressive yield stress and hardness of the composite are 365 MPa, 453 MPa and 115 HB, respectively. Compared with the AZ91 matrix alloy, it has different degree of improvement. In addition, the composite also shows good plasticity.

引文

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