WeldingNo Access
Influence of humidity on crack propagation in the welding joint
https://doi.org/10.1142/S021797922040055XCited by:1 (Source: Crossref)
Abstract
The SMA490BW weathering steel is a key material used in train bogies. The quality of its welded structures is the main constrain of the rail speed and safety. To study the influence of humidity on crack propagation in welding joints, the welding operation was performed under environments of 50%, 60%, 70%, 80% and 90% humidity. The crack propagation test against the microstructure observation was carried out. Results show that the crack propagation rate is mainly affected by the microstructure of the material and the humidity had little influence.
PACS: 62.20.mm
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