[1] ZHENG Chang-qing. Study on the Micro Fracture and Applications[M]. Xi' an: North-western Polytechnical University Press, 1988. (in Chinese)
[2] ZHENG Chang-qing . A Unit Fracture Theory of the Crack Body and Non-Crack Body[M].Xi' an: North-western Polytechnical University Press, 1991. (in Chinese)
[3] Ritchie R O, Knoff J F, Rice J R. On the relationship between critical tensile stress and fracture toughness in mild steel[J]. J Mech Phys Solids, 1973,2(2):195-206.
[4] YUE Zhu-feng, LU Zhen-zhou, ZHENG Chang-qing. A random model for ductile/brittle transition for 40Cr steel[J]. Material Science & Technology, 1997 ,5(2): 129-132. (in Chinese)
[5] LU Zhen-zhou, YUE Zhu-feng, ZHENG Chang-qing. A Random-fuzzy model for the mesco ductile fracture of metals[J]. Acta Metallurgica Sinica, 1996,32(11): 1258-1264. (in Chinese)
[6] YUE Zhu-feng, ZHENG Chang-qing. Effect to triaxiality and temperature on void growth in a smooth and notched 40Cr steel bar[J]. Theor Appl Fract Mech, 1995,22 (2):139-150.
[7] Rice J R, Tracey D M. On the ductile enlargement of voids in triaxial stress field[J]. J Mech Phys Solids, 1969,17(2) :201-217.
[8] David Brock. Elementary Engineering Fracture Mechanics[M]. Third revised edition. Hangue:Martinus Nijhoff Publisher, 1982.