采用分离式Hopkinson压杆技术,对8090铝锂合金T3态板材试样进行冲击压缩实验.获得不同应变速率对应试样的应力一应变曲线.对应力-应变曲线进行面积积分,研究应变速率对试样动能吸收能力的影响.结果表明:应变速率对8090铝锂合金试样动能吸收能力的影响显著,利用Origin7.0中的线性拟合工具获得应变速率(ε)与动能吸收能力Q呈现线性关系:Q=-27.8+0.032 5l×(ε).
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