高强度钢材低温力学性能试验研究与预测模型

蔡骜, 陈满泰, 左文康, 段立平, 赵金城

Experimental Study and Prediction Model of Low Temperature Mechanical Properties of High-Strength Steel

CAI Ao, CHEN Mantai, ZUO Wenkang, DUAN Liping, ZHAO Jincheng

表3 Ify,P全子集回归模型检验统计量

Tab.3 Statistics of full subset regression model for Ify,P

序号 变量 R2 调整后R2 Cp AIC SBC 1 T 0.53 0.47 8.03 -25.38 -24.47 2 t 0.24 0.14 16.78 -20.54 -19.63 3 fyTa 0.24 0.14 16.78 -20.54 -19.63 4 t,T 0.77 0.70 3.00 -30.34 -29.13 5 T,fyTa 0.77 0.70 3.00 -30.34 -29.13 6 t,fyTa 0.24 0.14 16.78 -18.54 -17.33 7 t,T,fyTa 0.77 0.70 3.00 -28.34 -26.82