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This document summarizes a study on the creep properties and microstructural examinations of welded P92 steel joints. Creep tests were conducted on welded joint specimens at 550°C under loads from 160-240 MPa. Microstructural observations found that fracture occurred in the heat affected zone, specifically in the intercritical region, along with significant necking. Examination of the necked region revealed many cavities and cracks. Microhardness profiles were used to identify different microstructural zone

Author

Bikram Bhattacharya

Language

EN