冉旭,何进,包晓军,张迪

• 1:长春工业大学先进结构材料省部共建教育部重点实验室
• 2:吉林省地震局
• 3:长春理工大学化学与环境工程学院

摘要(Abstract)：

采用机械球磨法对羟基磷灰石(HA)/超高分子量聚乙烯(UHMWPE)粉末进行混合处理,通过热压将混合粉末制成复合材料。通过X射线衍射、SEM观察及力学性能测试对混合粉末及复合材料进行微观组织和力学性能的分析。结果表明:球磨使HA颗粒得到了细化,而UHMWPE有粗化的趋势,同时HA/UHMWPE混合粉末组织更加均匀。球磨后HA没有发生分解,也没有新的物质产生。复合材料断面形貌呈网状结构,球磨时间越长,这种网状组织越均匀。随着球磨时间的增加,HA/UHMWPE复合材料的拉伸强度、冲击强度呈上升趋势。经球磨时间40 h后的复合材料具有较好的综合力学性能,同时又具有较理想的微观组织。

关键词(KeyWords)： HA/UHMWPE;机械球磨;组织形貌;力学性能

Abstract:

Keywords:

基金项目(Foundation): 吉林省科技厅杰出青年基金资助项目(5207702);; 吉林省教育厅科研计划资助项目(200896)

作者(Author): 冉旭,何进,包晓军,张迪

DOI: 10.13289/j.issn.1009-6264.2011.02.005

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