Abstract
Tungsten coated CuCrZr prepared by vacuum plasma spraying (VPS) has been chosen as Plasma-facing components (PFC) for EAST (Experimental Advanced Superconducting Tokamak) device, which have to survive from impact of high heat flux (HHF), fierce bombardment of particle flux and influence of alternating magnetic field in the device. Thus effective non-destructive examination (NDE) methods must be developed to assure quality and reliability of the PFCs. This paper presents infrared (IR) thermography NDE techniques being developed at ASIPP. Three-dimensional (3D) thermal finite element (FE) analyse has also been performed to verify the accuracy of the experimental results and improve the testing, showing that there is basic correlation between simulation and IR thermography testing.
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