Acoustic emission behaviour during the evolution of a single pit on stainless steels
Source abstract
Abstract
Abstract The current study investigated the acoustic emission (AE) behaviour of a single pit evolution on two types of stainless steels using small-scaled electrodes. Dozens of AE signals were observed during pitting on 17-4 PH. However, 304 SS was much less acoustically emissive. According to the in-situ optical observation, black flocculent clusters were observed in 17-4 PH during pitting. However, such process was very weak in 304 SS. It was found that the hydrogen bubble formed inside the pit and the perturbation of electrolyte around the pit were able to create AE signals.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Hydrogen embrittlement and corrosion behaviors in metals · Ultrasonics and Acoustic Wave Propagation · Non-Destructive Testing Techniques
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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