TY - CONF A1 - Giese, Marcel A1 - Czeskleba, Denis A1 - Nietzke, Jonathan A1 - Rhode, Michael A1 - Kannengießer, Thomas T1 - Investigation of the influence of PWHT heating rate and global stress conditions on the stress relief cracking mechanism of CrMoV steel SAW joints N2 - This presentation summarizes the latest research results of the influence of the post weld heat treatment (PWHT) rate and the global mechanical stress conditions on the stress relief cracking (SRC) susceptibility of low-alloyed and creep-resistant CrMoV steel submerged arc weld joints. It was found that a certain effect of very low heating rates could be confirmed. In addition, the interlinking of SRC susceptibility increasing effects during the PWHT and the ex-post indentification in metallographic cross-section via microstructure characterization is very complex. T2 - IIW Intermediate meeting of Commission II-A CY - Garching, Germany DA - 06.03.2023 KW - Creep-resistant steel KW - Submerged arc welding KW - Stress relief cracking KW - Heating rate KW - Microstructure characterization PY - 2023 AN - OPUS4-57116 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER -