XU Hao-hao, QIU Jun, JIN Jie. APPLICATION OF MAGNETIC MEMORY METHOD IN STRESS STATE DETECTION OF FILLET WELD JOINT ON TUBE SOCKET CONTAINING DEFECTS EXCEEDING GRADE[J]. Thermal power generation, 2006, (2): 45-46.
DOI:
XU Hao-hao, QIU Jun, JIN Jie. APPLICATION OF MAGNETIC MEMORY METHOD IN STRESS STATE DETECTION OF FILLET WELD JOINT ON TUBE SOCKET CONTAINING DEFECTS EXCEEDING GRADE[J]. Thermal power generation, 2006, (2): 45-46. DOI: 10.19666/j.rlfd.2006.02.014.
APPLICATION OF MAGNETIC MEMORY METHOD IN STRESS STATE DETECTION OF FILLET WELD JOINT ON TUBE SOCKET CONTAINING DEFECTS EXCEEDING GRADE
The stress concentration state of weld joint on a tube socket containing defects exceeding grade after long term service has been evaluated by using the magnetic memory test (MMT). Throwgh comparison of weld joints on tube socket containing defects exceeding grade and on other tube socket
as well as the residual stress levels of prefabricated damaged samples
it is believed that the defects containing exceeding grade are still in a stable condition
providing basis for operating supervision of tube sockets containing defects exceeding grade.