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The correct "ball bearings" data
1Department of Mathematics, National Technical University of Athens, 9 Iroon Polytechniou, Zografou, GR 157 80 Athens, Greece. ccar@math.ntua.gr
Lifetime Data Analysis
|December 11, 2002
Abstract:
The famous data on fatigue failure times of ball bearings have been quoted incorrectly from Lieblein and Zelen's original paper. The correct data include censored values, as well as non-fatigue failures that must be handled appropriately. They could be described by a mixture of Weibull distributions, corresponding to different modes of failure.