利用材料试验机和SHPB装置研究了常态下纯锆的静、动态压缩宏观力学性能.塑性变形阶段的流变应力及硬化率随应变率提高而增大,应变10%～20%段应力-应变曲线表现出凹向上趋势.金相观测表明,孪生是纯锆的重要变形机制,孪晶密度随应变及应变率的增长而增大.大应变时,动态压缩试样侧面观测到与压缩轴呈45°度的宏观裂纹.试样纵向剖开后,金相观测到发展的绝热剪切带.
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