Abstract
M.H. Pitkethly and M.S. Bader (see ibid., vol.20, p.315-22 (1987)) used the Weibull two-parameter distribution Pf(L)=(1-exp(-L( sigma / sigma 0)w)) to model the probability of failure of a fibre of length L under an applied stress sigma where omega and sigma 0 are the Weibull shape and scale parameters, respectively. The authors considered that these parameters depend on the specific material and the length of the fibre being tested. This interpretation leads to the determination of a set of constants sigma 0 and omega for each fibre length with the same material. In this paper, it is shown that a unique set of parameters allows Weibull two-parameter distribution to model the probability of failure of one type of fibre.
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