Nuclear metal aging grade diagnosis system and method

Abstract

Disclosed in the present invention are a nuclear metal aging grade diagnosis system and method. The system comprises: a fiber laser, a collimating and focusing lens assembly, a spectrometer, and a data analysis module, wherein the fiber laser is used for focusing a laser beam onto the surface of a nuclear metal sample and generating plasma; the collimating and focusing lens assembly is used for gathering the plasma and then outputting same to a fiber optic coupler; the fiber optic coupler transmits the collected plasma to the spectrometer by means of an optical fiber; and the data analysis module is used for reading spectra from the spectrometer, so as to acquire a spectrum that can represent the element composition of the nuclear metal sample. Compared with a detection method used by conventional LIBS systems, the present invention has the advantages of in-situ detection, high efficiency, good cost-effectiveness, high robustness, etc. Therefore, the system and method in the present invention can provide new technical supports for rapid in-situ diagnosis of the aging states of key metal components in a nuclear power plant.

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