The infrared emission of a high pressure vessel steel and two thin wall pressure vessel models have been investigated by use of vibro-thermography.The experimental infrared crack lengths were found to be agreed closel...The infrared emission of a high pressure vessel steel and two thin wall pressure vessel models have been investigated by use of vibro-thermography.The experimental infrared crack lengths were found to be agreed closely with the optical values during fatigue process.A possi- ble nondestructive testing method used to evaluate the pressure vessel has been given.展开更多
文摘The infrared emission of a high pressure vessel steel and two thin wall pressure vessel models have been investigated by use of vibro-thermography.The experimental infrared crack lengths were found to be agreed closely with the optical values during fatigue process.A possi- ble nondestructive testing method used to evaluate the pressure vessel has been given.