分别以质量分数为0.1%的氧化石墨烯和石墨烯纳米片为增强相制备了AZ91镁基复合粉和复合材料, 分析了氧化石墨烯与AZ91镁合金的界面反应机理; 测试了复合材料的力学性能并观察了拉伸断口形貌。结果表明: 以氧化石墨烯为增强相复合材料的屈服强度、伸长率和显微硬度分别为224.85 MPa, 8.15%和70.14 HV, 与基体镁合金的相比分别提高了39.7%, 35.4%和31.8%, 高于以石墨烯纳米片为增强相复合材料的; 氧化石墨烯因带有含氧官能团极易与镁合金粉混合均匀, 且两者反应生成的MgO有利于提高石墨烯与镁合金基体的界面结合强度, 从而提高复合材料的力学性能。
所属栏目
江西省教育厅科技项目(GJJ151309)
收稿日期
2015/7/152016/6/28
作者单位
袁秋红:南昌大学机电工程学院, 南昌 330031新余学院新能源科学与工程学院, 新余 338000
曾效舒:南昌大学机电工程学院, 南昌 330031
吴俊斌:南昌大学机电工程学院, 南昌 330031
备注
袁秋红(1981-), 男, 江西吉安人, 博士研究生。
引用该论文:
YUAN Qiu-hong,ZENG Xiao-shu,WU Jun-bin.Mechanical Properties of Graphene Reinforced AZ91 Mg Alloy Based Composite[J].Materials for mechancial engineering,2016,40(8):43～48
袁秋红,曾效舒,吴俊斌.石墨烯增强AZ91镁基复合材料的力学性能[J].机械工程材料,2016,40(8):43～48
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