The suggested statistical procedure can be applied not only to Alloy 182 weld but also to any material degradation data set including right-censored data with covariate effect. Furthermore, we suggest a procedure for uncertainty evaluation of the estimators based on the bootstrap method. In situations where there is a potential of crack initiation and/or crack propagation in materials due to environmental exposures, Weibull probability. However, since statistically more advanced methods than current typical methods may be applied, we suggest a statistical procedure for parameter estimation of the crack initiation time of Alloy 182 weld, considering right-censored data and the covariate effect. Owing to the large time scatter in most crack initiation tests, a probabilistic model, such as the Weibull distribution, has mainly been adopted for prediction. The lifetime of Alloy 182 weld is directly related to the crack initiation time. The degradation analysis folio allows you to extrapolate failure times based on the measured degradation in a relevant characteristic over time (e.g., wear. To ensure the structural integrity of nuclear power plants, it is essential to predict the lifetime of Alloy 182 weld, which is used for welding in nuclear reactors.
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