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添加聚醚醚酮对Al2O3陶瓷组织及性能的影响
作者:关少康 董艳春 万丽宁   褚振华 张建新 阎殿然 
单位:河北工业大学材料科学与工程学院 天津市层状复合及界面控制重点实验室 天津 300132 
关键词:氧化铝 聚醚醚酮 磨损 腐蚀 
分类号:TG174
出版年,卷(期):页码:2017,45(9):0-0
DOI:
摘要:

为改善氧化铝陶瓷的耐磨性和耐蚀性,用喷雾造粒的方法将PEEK(聚醚醚酮)加入到由亚微米氧化铝粉末制备的团聚粉中,制备了Al2O3陶瓷基复合涂层材料。用扫描电子显微镜分析了复合材料的组织结构,测试了复合陶瓷涂层的耐磨性和耐腐蚀性,并与纯氧化铝的性能进行对比。结果表明:添加PEEK的Al2O3复合陶瓷涂层在磨损试验中的摩擦系数低于Al2O3陶瓷,摩擦磨损更稳定,耐磨性更高,在20和30 N载荷下,复合涂层的平均摩擦因数分别为0.593 0和 0.589 6,降低了15.8%和15.6%,平均磨损量分别降低了15.7%和17.6%;相对于Al2O3陶瓷涂层,复合陶瓷涂层的自腐蚀电位提高15.3%,电流密度降低47.5%,耐腐蚀性提高。

 
基金项目:
国家自然科学基金(51372065)资助。
作者简介:
关少康(1992—),男,硕士研究生。
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