研究目的
Exploring the use of Laser Induced Breakdown Spectroscopy (LIBS) to analyze active materials in high radiation environments and comparing its measurements with standard techniques for reaction-diffusion processes in nuclear materials.
研究成果
LIBS proves to be a suitable tool for analyzing reaction-diffusion processes in nuclear materials, offering qualitative and quantitative detection capabilities. A reaction-diffusion parameter K was established to predict the evolution of the affected zone, showing good agreement with standard techniques.
研究不足
The study is limited by the complexity of the reaction-diffusion processes in multi-component systems and the need for further investigation to distinguish between convolution in LIBS signal and actual interdiffusion zone size.
1：Experimental Design and Method Selection:
LIBS was used to measure reaction-diffusion processes in alloys, comparing results with standard techniques like micrography, SEM, and EDS.
2：Sample Selection and Data Sources:
Zr
3：5Nb alloy and ASTM 410 stainless steel were used to prepare diffusion couples. List of Experimental Equipment and Materials:
Ocean Optics LIBS 2500 plus ? equipment, Nd:YAG laser, SEM microscopy FEI Quanta 200, EDS EDAX.
4：Experimental Procedures and Operational Workflow:
Diffusion couples were annealed at different temperatures, and LIBS measurements were performed to analyze the diffusion profiles.
5：Data Analysis Methods:
The integral of atomic lines was related to the amount of corresponding constituents, and a reaction-diffusion parameter K was derived to predict the process evolution.
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