不同结构金属高速压缩力学行为及微观剪切结构差异*

孙秀荣, 王会珍, 杨平, 毛卫民

MECHANICAL BEHAVIORS AND MICRO-SHEAR STRUCTURES OF METALS WITH DIFFERENT STRUCTURES BY HIGH-SPEED COMPRESSION

SUN Xiurong, WANG Huizhen, YANG Ping, MAO Weimin

表2 4种材料高速冲击力学参数

Material Impact load / MPa Strain rate / s-1 Reduction of H / % TRIP steel 0.30 1.2×104 9.7 0.50 1.7×104 21.6 0.55 1.9×104 23.2 0.60 2.0×104 35.0 Pure Cu 0.30 1.3×104 21.2 0.55 1.9×104 40.0 IF steel 0.30 1.1×104 10.0 0.55 1.7×104 26.4 Armor steel 0.20 0.3×104 0.7 0.25 0.4×104 2.2 0.30 0.45×104 4.0