AlSi7Mg0.3/SiC_p复合材料低压铸造  

Casting Under Low Pressure With Regard to AlSi7Mg0.3/SiC_p Reinforced Metal Matrix Composites

作　　者：曾建民[1] 孙仙奇[1] 周开文[1] 顾红[1] 莫继华[1] 肖宪波[2] 

机构地区：[1]广西大学 [2]清华大学

出　　处：《航空制造技术》2003年第5期65-66,共2页Aeronautical Manufacturing Technology

基　　金：广西自然科学基金资助项目

摘　　要：介绍了颗粒增强铝基复合材料低压铸造的优越性及过程的动态特征。试验测定了含SiC15 %(体积分数 )、基体合金为AlSi7Mg0 .3的复合材料重力铸造和低压铸造的流动性、抗拉强度、延伸率。The advantages and dynamic characteristics of casting under low pressure with regard to AlSi7Mg0.3/SiC p reinforced aluminium matrix composites are introduced in this paper. The fluidity, tensile strength, elongation, porosity and uniformity are experimentally tested for AlSi7Mg0.3 alloy reinforced with SiC particles.

关 键 词：AlSi7Mg0.3/SiCp复合材料 低压铸造技术 颗粒增强铝基复合材料 动态特征 抗拉强度 延伸率 孔隙率 颗粒分布均匀性 

分 类 号：TG249.2[金属学及工艺—铸造]