THERMOGRAPHIC ASPECT OF LOADING BEHAVIOUR ON HIGH STRENGTH STEEL FOR THIN-WALL PRESSURE VESSEL
高强度簿壁压力容器钢受力过程的红外热成像研究

The infrared emission from the high strength steel for thin-wall pres-sure vessel and from two vessel models themselves during loading has been examin-ed by use of vibro-thermography. The fatigue crack lengths observed on infraredvibro-thermogram are found to be in good agreement with that by optical measure-ment. Thus, a feasible nondestructive defect detecting test for the pressure vesselmay be suggested.