PULSE EDDY CURRENT NONDESTRUCTIVE TESTING

Cai Jiabao, Wang Haibo

ABSTRACT:Pulse eddy current nondestructive testing technology is part of eddy current testing technology, The wide-spectrum excitation method makes this technology widely used in the aerospace field, railway transportation and pipelines, pressure vessels and other fields. This review describes pulse eddy current testing techniques in material defects, Research progress in stress detection and thermal imaging technology. Summarized and analyzed the development trend of pulse eddy current inspection technology.

Keywords:Pulse vortex, Defect, Stress, Thermal imaging.