Experimental Analysis of T23–T91 Dissimilar Steel Joining in Supercritical Boiler by a Cost‐Effective Fusion Welding Route

The critical aspect of joining T23 steel to T91 steel in a supercritical boiler is studied by a low‐cost gas tungsten arc welding (GTAW) process using an iron‐based filler wire (ER90S‐G). The hardness variation across the weldment does not reflect any drastic fall in hardness, thereby indicating an...

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Veröffentlicht in:	Steel research international 2021-09, Vol.92 (9), p.n/a
Hauptverfasser:	Chatterjee, Suvam, Mondal, Manas Kumar, Maity, Joydeep
Format:	Artikel
Sprache:	eng
Schlagworte:	Boilers cavitation clustering of Cr23C6 and dislocation accumulation Dimpling Dislocation loops dissimilar steel joining in supercritical boilers Ductility Ductility tests Elongation Fusion welding Gas tungsten arc welding Grain boundary sliding Hardness Heat resistant steels high strength and modest ductility high-temperature tensile test Joining low-cost gas tungsten arc welding process using ER90S-G Martensitic stainless steels Tensile deformation Tensile tests Weldments
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