Some limits to appropriate application and the characteristics of uncertainties in damage function analysis were investigated by means of computer experiments. Simulated irradiations in available neutron spectra were evaluated in terms of simple damage models and were used to study 1) the existence of damage functions, 2) the uniqueness of damage function solutions, 3) data error propagation, and 4) procedures for combining various errors to pro¬vide a total lower bound fluence limit for a speci¬fied property change. Not surprisingly, an important factor in achieving a successful damage function analysis was found to be the similarity between the experimental spectra which were used to generate the damage function and the spectra in which it was applied.
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