The Effects of Pits Size and Shape on Fatigue Crack Initiation
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AVPP, Crack, Corrosion, Fatigue, Oxide-Film
Abstract
Generate and monitor the growth of corrosion pits on the surface of 316L stainless steel using the scanning droplet cell technique and assess the effects of various factors such as pit size, pit shape, flow rate, and applied stress on pit initiation and growth. Configure a test system to measure the pit and short fatigue crack growth behaviour, to investigate each stage of the corrosion fatigue damage process occurring at the material surface, and to compare this with the modified film surface using the alternating voltage passivation process (AVPP). Understand the effects of corrosion on cracking behaviour during the different stages of fatigue crack growth.
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References
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