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This study deals with the selection of appropriate welding parameters during autogenous arc welding of duplex stainless steels in order to achieve an optimum phase balance of austenite and ferrite in the as-welded microstructure. Specimens of duplex stainless steel 2205 with dimensions (40 × 40 × 10) mm3 were welded using autogenous arc welding under 95% Ar + 5% vol. N2 atmosphere. The weld pool temperature...
The effect of forced cooling using heat sinks on the mechanical properties and interpass waiting time of two-pass welds has been studied for a martensitic steel with a yield strength of 960 MPa when the interpass temperature was 100 °C. Cross-weld tensile and − 40 °C Charpy-V impact toughness properties were examined. The use of heat sinks is shown to result in a beneficial increase of the cross-weld...
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