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用1.5kW连续CO_2激光处理了45、40Cr、4OCrNiMo三种基体的镀铬钢,在铬/钢界面钢的一侧得到熔渗层。研究了其组织组成物的形态、相结构、铬浓度分布以及工艺参数、合金元素的影响。
With 1.5kW continuous CO_2 laser processing 45, 40Cr, 4OCrNiMo three kinds of substrate chrome-plated steel, chrome / steel interface steel melt infiltration layer. The morphology, phase structure, distribution of chromium concentration, process parameters and alloying elements were studied.