Research Article

A Comparative Study on Improved Arrhenius-Type and Artificial Neural Network Models to Predict High-Temperature Flow Behaviors in 20MnNiMo Alloy

Table 1

Coefficients of the polynomial for , , , and .


3.65102 −0.679 11.623 5.15944
435.05898 426.108 5075.860 −111.124
−7461.731 −5647.043 −83266.642 1222.173
58435.579 36439.007 636234.990 −7277.770
−260734.696 −138689.722 −2791840 26505.195
712681.632 331449.121 7541680 −61800.962
−1215160 −503008.253 −12749000 92570.232
1260820 470572.854 13142600 −86054.036
−728384.449 −247492.493 −7554410 45145.823
179648.777 55999.977 1855720 −10212.362