采用VISAR技术连续测量样品-窗口界面粒子速率削面方法,对AD95陶瓷在卸载过程中的高压声速和卸载路径进行了研究.结果表明,加载应力为25.86～57.42GPa时,AD95陶瓷卸载过程中的高压声速降低过程与延性金属材料具有明显区别:卸载过程受加载过程中的双波结构影响,明显分成弹性前驱波卸载和冲击波卸载两个阶段,但第一阶段所占的比例随加载应力的增加逐渐减小；第二阶段中不存在明显的弹性卸载和塑性卸载的拐点.研究结果将为陶瓷材料动态响应和压缩损伤研究奠定基础.
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