应变速率对闭孔泡沫铝力学性能和能量吸收性能的影响Influence of Strain Rate on the Mechanical Properties and Energy Absorption Capacity of Aluminum Alloy Foam
凤仪,朱震刚,潘艺,胡时胜
摘要(Abstract)：
采用分离式霍普金森压杆 (SHPB)技术 ,研究了应变速率 (1× 10 - 3s- 1 ～ 2 5 0 0s- 1 )对泡沫铝力学性能和能量吸收性能的影响。结果表明 :泡沫铝有较高的应变速率敏感性 ,随应变速率的增加 ,泡沫铝的屈服强度和吸能能力增加 ,泡沫铝的应变速率敏感性随应变、应变速率变化幅度的增加而增加。
关键词(KeyWords)： 闭孔泡沫铝;霍普金森压杆(SHPB);应变速率;力学性能;吸能性能
基金项目(Foundation): 安徽省自然科学基金资助 (0 30 4 4 60 2 )
作者(Author): 凤仪,朱震刚,潘艺,胡时胜
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