激光与光电子学进展, 2020, 57 (7): 071404, 网络出版: 2020-03-31
农业拖拉机主轴激光熔覆再制造修复研究 下载: 949次
Laser Cladding Remanufacturing and Repair of Agricultural Tractor Spindle
图 & 表
图 1. Ni60A粉末微观形貌及激光熔覆系统示意图
Fig. 1. Morphology of Ni60A powder and schematic of laser cladding system
图 2. 不同离焦量下熔覆层表面宏观形貌。(a) 8 mm;(b) 10 mm;(c) 12 mm
Fig. 2. Surface macromorphology of cladding layer with different defocusing amounts. (a) 8 mm; (b) 10 mm; (c) 12 mm
图 5. 不同离焦量下激光熔覆结构硬度分布情况。(a)测试点位置分布示意图;(b)硬度分布曲线
Fig. 5. Hardness distribution of laser cladding structure with different defocusing amounts. (a) Schematic of test point location distribution; (b) hardness distribution curve
图 6. 不同离焦量下熔覆层及40Cr基材磨损质量
Fig. 6. Wear losses of 40Cr substrate and cladding layer at different defocusing rates
表 140Cr钢基体化学成分(质量分数,%)
Table1. Chemical composition of 40Cr steel substrate(mass fraction,%)
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王家胜, 舒林森. 农业拖拉机主轴激光熔覆再制造修复研究[J]. 激光与光电子学进展, 2020, 57(7): 071404. Jiasheng Wang, Linsen Shu. Laser Cladding Remanufacturing and Repair of Agricultural Tractor Spindle[J]. Laser & Optoelectronics Progress, 2020, 57(7): 071404.