8Alam M K, Goetz R L, Semiatin S L. Modeling of thermal stresses and thermal cracking during heating of large ingots [J]. Journal of Manufacturing Science and Engineering. 1996, 118 (5): 235-242.
9Finlayson P C, Schofield J S. Heating for forging in a batch type furnace [J]. Iron and Steel Institute, 1959, 193: 238- 252.
10Kent C H. Thermal stresses in spheres and cylinders pro duced by temperatures varying with time [J]. Transactions of the ASME. 1932, 54:185 - 196.
