Figure 14

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venerdì, Febbraio 12th, 2021 in

Figure 14: The top image shows a ground/honed specimen that has failed due to pitting at 3.5 million cycles at a load of 400 ksi The bottom image shows an ISF specimen that has survived 20 million cycles at each of three contact stress loading steps from 400 ksi up to the test rigs limit of 450 ksi without failure.