[1] J.R.Rice: ASME J. Appl. Mech., 1968, 35, 379. [2] J.D.Landes and R.Herrera: Int. of Fracture, 1988, 36,R9. [3] G.A.Clarke: J. Test. and Evalu., 1980, 8, 213. [4] Z.H.Lai, L.J.Chen, C.M.Chang, C.S.Ma andC.S.Chao: Eng. Frac. Mech., 1983, 17, 395. [5] Y.H.Jung, K.R.Narendrnath, P.S.Godavarti andK.L.Murty: Eng. Frac. Mech., 1988, 29, 1. [6] M.S.Cayard and W.L.Bradley: Eng. Frac. Mech.,1989, 33, 121. [7] J.D.Landes, Z.Zhou, K.Lee and R.Herrera: J. Test.EVau., 1991, 19, 305. [8] D.Z.Zhang and J.Lin: Eng. Frac. Mecb., 1990, 36,789. [9] X.C.Yin and T.G.Chen: J. Test. and Evalu., 1992,20(4), 239. [10] R.K.Pandey, P.Sundaram and A.N.Kumar: J. Test.and Etalu., 1992, 20(2), 106. [11] M.K.Tseng and H.L.Marcus: Eng. frac. Mech., 1982,16(6), 895. [12] Chi CHEN, Qigong CAI and Renzhi WANG: Engineerng hature Mechanics, National Defence Indus-try Press, Beijing, 1977, 1, 383. (in Chinese) [13] Chi CHEN, Qigong CAI and Renzhi WANG: Engineering focture Mechanics, National Defence Indus-try Press, Beijing, 1977, 1, 272. (in Chinese) [14] National Bureau Standards, Standard test method forplane-strain fracture toughness of metallic materials,National Standard of P.R.China, GB4161-84, 1985.(in Chinese) [15] National Bureau Standards, Metallic materials-standard test method for JIC, a measure of ductilefracture toughness, National Standard of P.R.China,GB2038-91, 1992, (in Chinese)x |