激光诱导击穿光谱的高铁车轮钢晶粒度等级研究
欧阳爱国, 余斌, 胡军, 林同征, 刘燕德

Grade Evaluation of Grain Size in High-Speed Railway Wheel Steel Based on Laser-Induced Breakdown Spectroscopy
OUYANG Ai-guo, YU Bin, HU Jun, LIN Tong-zheng, LIU Yan-de
不同晶粒度样品100倍放大金相组织图 (a): 9.5级; (b): 10.0级; (c): 10.5级;(d): 11.0级; (e): 11.5级