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热挤压对Al2O3p/6061铝基复合材料拉伸性能及组织的影响
Influence of Hot Extrusion on Mechanical Properties and Microstructure of Al2O3p/6061 Composite
【摘要】 采用挤压铸造法制备了体积分数为30%的Al2O3p/6061铝基复合材料,进行了挤压比为10:1的热挤压,对铸态和挤压态复合材料进行了常温拉伸试验,用光学显微镜和透射电镜对变形前后的显微组织进行了观察。结果表明:热挤压改善了材料的组织,提高了材料的力学性能。
【Abstract】 30vol%Al2O3p/6061 composite was hot extruded in ratio of 10:1 successfully.Tensile tests were performed to as-cast and extruded Al2O3p/6061 composite at room temperature.And microstructures were observed by optical microscope and TEM.It is show that the mechanical properties and microstructure are obviously improved by hot extrusion.
【关键词】 Al2O3p/6061复合材料;
热挤压;
力学性能;
微观组织;
【Key words】 Al2O3p/6061 composite; hot extrusion; mechanical properties; microstructure;
【Key words】 Al2O3p/6061 composite; hot extrusion; mechanical properties; microstructure;
- 【文献出处】 机械工程材料 ,Materials for Mechanical Engineering , 编辑部邮箱 ,2007年03期
- 【分类号】TG376.2;TG115.52
- 【被引频次】6
- 【下载频次】293