采用化学沉淀法制备出粒径约80nm的等轴状SrSO4粉体.选用ZrO2(3mol%Y2O3)-20wt%Al2O3(TZ3Y20A)陶瓷为基体,采用热压烧结法制备出TZ3Y20A-SrSO4陶瓷基复合材料,并对复合材料的组织结构和力学件能进行了研究.采用球盘式高温摩擦磨损试验机测定复合材料从室温到800℃的摩擦学性能.TZ3Y20A-SrSO4复合材料在室温至800℃范围内摩擦系数在O.31～O.42之间,磨损率为10-5mm3/Nm数量级.加入SrSO4后复合材料的磨损表面形成了一层润滑膜,有效地改善了其高温摩擦磨损性能.
参考文献
| [1] | Ouyang J H;Sasaki S;Murakami T.High-temperature solid lubrication of spark-plasma-sintered ZrO2(Y2O3)-based composites[A].,2003:459-460. |
| [2] | Ouyang J H;Sasaki S;Murakami T.Spark-plasma-sintered ZrO2(Y2O3)-BaCrO4 self-lubricating composites for high temperature tribological applications[J].Ceramics International,2005(31):543-553. |
| [3] | Jia-Hu Ouyang;T. Murakami;S. Sasaki;Yu-Feng Li;Ya-Ming Wang;K. Umeda;Yu Zhou .High Temperature Tribology and Solid Lubrication of Advanced Ceramics[J].Key engineering materials,2008(p.2):1088-1091. |
| [4] | Murakami T;Ouyang JH;Umeda K;Sasaki S .High-temperature friction properties of BaSO4 and SrSO4 powder films formed on Al2O3 and stainless steel substrates[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2006(1-2):52-58. |
| [5] | J.H. Ouyang;T. Murakami;S. Sasaki;Y. Zhou;D.C. Jia;Y.M. Wang .Spark Plasma Sintered ZrO_2(Y_2O_3)-Al_2O_3-SrSO_4 Self-lubricating Nanocomposites for High Temperature Tribological Applications[J].Key engineering materials,2007(2):1429-1432. |
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