1. (1) Brinkman, C. R., High Temperature Time-Dependent Fatigue Behaviour of Several Engineering Structural Alloys, Int. Met. Rev., Vol. 30, No. 5 (1985), p. 235.
2. (2) Chen, I. W., Mechanisms of Cavity Growth in Creep, Scripta Met., Vol. 17 (1983), p. 17.
3. (3) Ogata, '1'., Arai M. and Nitta, A., Continuous Observation of Micro Damage Evolution Process by Creep Fatigue Testing Machine Combined with SEM, J. Society of Mat. Sci. Japan (in Japanese), Vol. 44, No. 496 (1995), p. 52.
4. (4) Beer, W., Theoretical Treatment of Creep Cavity Growth and Nucleation, Cavities and Cracks in Creep and Fatigue (edited by J. Gittus) (1981), p. 1, Applied Science Publishers (London and New Jersey).
5. (5) 1lull, D. and Rimmer, D. E., The Growth of Grain Boundary Voids under Stress, Phil. Mag., Vol. 4 (1959), p. 673.