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2 IE,P全子集回归模型检验统计量

Tab.2 Statistics of full subset regression model for IE,P

序号 变量 R2 调整后R2 Cp AIC SBC 1 T 0.80 0.77 1.00 -34.16 -33.25 2 t 0.00 -0.12 28.72 -18.15 -17.24 3 ETa 0.00 -0.12 28.72 -18.15 -17.24 4 t,T 0.80 0.74 3.00 -32.16 -30.95 5 T,ETa 0.80 0.74 3.00 -32.16 -30.95 6 t,ETa 0.00 -0.12 28.72 -16.15 -14.94 7 t,T,ETa 0.80 0.74 3.00 -30.16 -28.65