Stress Relief Cracking
Cracking in the weld metal or heat affected zone during post-weld heat treatment or high temperature service.
Corrosionpedia – What is a Stress-Relief Cracking? – Definition from Corrosionpedia
The Mechanism of Stress-Relief Cracking in a Ferritic Alloy Steel
Mechanisms of stress relief cracking in a ferritic steel – ScienceDirect
Stress Relaxation Cracking (SRC), a Dangerous Failure in Petrochemical Reformers