采用机械球磨/热压烧结法制备了Mo
5Si
3金属陶瓷和Mo
5Si
3-20%（质量分数，下同） Al
2O
3p复相陶瓷，利用X射线衍射仪、扫描电子显微镜、硬度计和摩擦磨损试验机等分析了其微观结构、力学性能和摩擦磨损性能。结果表明：Mo
5Si
3-20% Al
2O
3p复相陶瓷的主要物相为Mo
5Si
3、Al
2O
3和少量Mo
3Si；复相陶瓷的相对密度、硬度和断裂韧性均高于单相Mo
5Si
3金属陶瓷的，且其摩擦因数和磨损率较低，摩擦因数随时间的变化较平缓，表现出更好的摩擦磨损性能；与GCr15钢球对磨时，Mo
5Si
3金属陶瓷的主要磨损机制为黏着和疲劳剥落，Mo
5Si
3-20% Al
2O
3p复相陶瓷的则为磨粒磨损，二者同时存在氧化磨损。
所属栏目
新材料 新工艺山东省自然科学基金资助项目（BS2015CL007）；中国博士后科学基金资助项目（2015M572026）
收稿日期
2016/9/62017/8/2
作者单位
薛茂超:新乡职业技术学院机械制造系, 新乡 453006
张红霞:新乡职业技术学院材料工程系, 新乡 453006
陈辉:聊城大学材料科学与工程学院, 聊城 252000
备注
薛茂超(1982-),男,河南封丘人,讲师,硕士
引用该论文:
XUE Maochao,ZHANG Hongxia,CHEN Hui.Preparation and Friction-Wear Property of Mo5Si3-20% Al2O3p Ceramic Composite[J].Materials for mechancial engineering,2017,41(10):24～27
薛茂超,张红霞,陈辉.Mo5Si3-20% Al2O3p复相陶瓷的制备及摩擦磨损性能[J].机械工程材料,2017,41(10):24～27
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