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  4. 泡沫铝-空心玻璃微珠/环氧泡沫复合材料压缩及弯曲力学性能

复合材料学报, 2013, 30(4): 74-81.

泡沫铝-空心玻璃微珠/环氧泡沫复合材料压缩及弯曲力学性能

田爱平 1, , 余为 2, , 李东杰 3,

1.海军航空工程学院飞行器工程系,烟台,264001

2.燕山大学河北省重型装备与大型结构力学可靠性重点实验室,秦皇岛,066004

3.燕山大学河北省重型装备与大型结构力学可靠性重点实验室,秦皇岛,066004

基金项目:   河北省自然科学基金资助项目(E2011203230)   河北省高等学校科学研究计划资助项目(2010166)  

关键词： 泡沫铝-复合泡沫 , 空心玻璃微珠 , 压缩 , 弯曲 , 力学性能

Compressive and flexural mechanical properties of foam Al-HGM/epoxy foam composites

Keywords： foam Al-syntactic foam , hollow glass microbead(HGM) , compression , flexion , mechanical properties

制备了泡沫铝、泡沫铝-环氧树脂及含有不同体积分数空心玻璃微珠(HGM)的三种泡沫铝-HGM/环氧泡沫互穿相复合材料(IPC).通过一系列准静态压缩实验,观察了其变形形貌,研究了其弹性模量、屈服极限、比强度及比刚度等力学性能与HGM体积分数的关系.通过三点弯曲实验,研究了IPC的弯曲极限载荷、弯曲弹性模量等性能,分析了其断口形貌与材料结构的关系.实验结果表明:四种IPC的力学性能均较纯泡沫铝有大幅度的提高,其中,泡沫铝-环氧树脂的压缩和弯曲力学性能最好.随着复合材料中HGM体积分数增加,IPC力学性能逐渐缓慢降低.

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