摘要
介绍了对HR 2抗氢钢圆管在内爆压缩加载过程中的剪切断裂现象的初步研究结果。利用脉冲X光动态照相观测到抗氢钢圆管在压缩过程中发生了断裂 ;在回收破片中存在大量典型的剪切断口 ,对剪切断口进行了初步宏观分析。金相细观分析观察到HR 2抗氢钢中晶粒形状沿径向的变化规律 ;同时观察到了裂纹尖端的绝热剪切带及带内的微孔洞。
The shear fracture phenomena of HR-2 steel tube under shock loading were studied.The results of X-flash photography show that shear fracture occurred in the HR-2 steel tube during shock loading.The changes of microstructure at different radius were observed in the recovered samples. Also,adiabatic shear bands on the tip of microcracks and microvoids within the adiabatic shear bands appear.
出处
《高压物理学报》
CAS
CSCD
北大核心
2002年第1期75-79,共5页
Chinese Journal of High Pressure Physics
基金
中国工程物理研究院行业预研基金 (2 0 0 10 10 1)
