Study on the failure mechanism of the heat-affected zone in 2205 duplex stainless steel weld-joints induced by hydrogen
Source abstract
Abstract
This paper investigates the stress corrosion cracking behavior of 2205 duplex stainless steel welded joints under the coupling of hydrogen, corrosive medium and stress. The results show that the presence of hydrogen shifts the fracture location from the base material to the heat affected zone. Cracks initiated at the pitting sites, and the locations of the pitting sites were highly consistent with the stress corrosion cracking locations. This suggests that hydrogen causes the heat affected zone to initiate pitting and further initiates crack initiation and stress corrosion fracture.
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Research context
OpenAlex topics: Hydrogen embrittlement and corrosion behaviors in metals · Nuclear Materials and Properties · Material Properties and Failure Mechanisms
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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