Non-destructive inspection method for divertor plate

摘要

PURPOSE:To inspect a joint of a diverter plate nondestructively at a low cost during manufacturing or service of the diverter plate placed in a fusion reactor. CONSTITUTION:A baking system 3 or the like is utilized to heat a diverter plate 1 from a side of a cooling member, a rate of temperature rising on a surface inside a reactor of a protection tile 3 which rises in temperature due to the heat transmitted from the cooling member through a brazed joint surface to the protection tile 3 is measured by a radiation thermometer 2 or the like, and change in a joining state of the brazed joint is sensed based on the measurement results or the protection tile failing is specified.