面向激光增材制造的仿生薄壁结构抗冲击研究

李佳,宋梅利,冯君,汤海斌

Study on impact resistance of bio-inspired thin-walled structure for laser additive manufacturing

Jia LI,Meili SONG,Jun FENG,Haibin TANG

表1 激光选区熔化钛合金的塑性参数

Table 1 Plasticity parameters of laser selective melted titanium alloy

塑性应力/MPa 塑性应变 1 086.00 0 1 090.65 1.636×10-5 1 162.12 0.001 090 0 1 173.54 0.002 646 5 1 180.77 0.010 949 1 1 181.05 0.015 992 0 1 181.15 0.021 022 7 1 181.18 0.024 363 3