Weibull modulus and probabilistic design

0:00 variation in data, histograms of data, average values, standard deviation 9:00 normal distribution, six sigma 10:31 safety factors in engineering design 13:47 the 2-parameter Weibull equation 16:40 defining failure probability, F 18:40 excel example of calculating Weibull modulus 27:00 determining Weibull constants from best fit curves 30:55 using Weibull to determine stress associated with specific failure rate 35:35 using Weibull to determine failure rate at a specific stress 41:48 extending Weibull analysis from test bar to components using effective area ratios