5182-O铝合金屈服演化行为表征及晶体塑性模拟

尚宏春, 田中旺, 牛兰杰, 范晨阳, 张哲伟, 娄燕山

Yield Evolution Behavior Characterization and Crystal Plasticity Simulation for 5182-O Aluminum Alloy

SHANG Hongchun, TIAN Zhongwang, NIU Lanjie, FAN Chenyang, ZHANG Zhewei, LOU Yanshan

表2 不同硬化行为的标定参数

Table 2 Calibration parameters for different hardening behaviors

Specimen K ɛ0 n A B C UT0 559.60 0.0071 0.3289 373.36 130.60 12.46 UT45 504.10 0.0047 0.3544 422.50 160.10 12.03 UT90 446.20 0.0046 0.3463 452.21 181.70 11.67 SS0 398.15 0.0116 0.2658 357.59 165.62 10.53 PST0 466.92 0.0070 0.2696 366.24 143.10 15.60