中国激光, 2018, 45 (4): 0402005, 网络出版: 2018-04-13
激光熔覆W-Cu复合材料的组织形貌与工艺参数的相关性 下载: 791次
Correlation between Process Parameters and Microstructure Morphologies of W-Cu Composites Fabricated by Laser Cladding
图 & 表
图 1. 粉末原料微观形貌。(a) Cu粉;(b) W粉
Fig. 1. Micromorphology of raw material powder. (a) Cu powder; (b) W powder
图 2. 激光熔覆材料横截面。(a)示意图;(b)实际的
Fig. 2. Cross section of laser cladding material. (a) Schematic; (b) actual
图 3. 熔覆层的宽高比随激光功率和扫描速度的变化
Fig. 3. Width-height ratio of cladding layer versus laser power and scanning speed
图 5. 熔覆层稀释率随送粉密度和面能量密度的变化
Fig. 5. Dilution ratio of cladding layer versus powder-feeding density and surface energy density
图 6. 不同参数下熔覆层截面颗粒分布。(a) ξ=14.00×10-3 g·mm-2,ε=30.00×10-3 kJ·mm-2;(b) ξ=15.56×10-3 g·mm-2,ε=31.48×10-3 kJ·mm-2;(c) ξ=13.00×10-3 g·mm-2,ε=26.67×10-3 kJ·mm-2;(d) ξ=13.00×10-3 g·mm-2,ε=13.33×10-3 kJ·mm-2;(e) ξ=17.67×10-3 g·mm-2,ε=13.33×10-3 kJ·mm-2;(f) ξ=18.67×10-3 g·mm-2,ε=13.33×10-3 kJ·mm-2
Fig. 6. Particle distribution in cross-section of cladding layer under different parameters. (a) ξ=14.00×10-3 g·mm-2, ε=30.00×10-3 kJ·mm-2; (b) ξ=15.56×10-3 g·mm-2, ε=31.48×10-3 kJ·mm-2; (c) ξ=13.00×10-3 g·mm-2, ε=26.67×10-3 kJ·mm-2; (d) ξ=13.00×10-3 g·mm-2, ε=13.33×10-3 kJ·mm-2; (e) ξ=17.67×10-3 g·mm-2, ε=13.33×10-3 kJ·mm-2; (f) ξ=18.67×10-3 g·mm-2, ε=13.33×10-3 kJ·mm-2
图 7. 熔覆层线扫描测试结果。(a)区域;(b)图谱
Fig. 7. Line scanning results of cladding layer. (a) Region; (b) spectrogram
图 8. 工艺参数对熔覆层截面颗粒分布的影响
Fig. 8. Influences of process parameters on particle distribution in cross-section of cladding layer
图 9. 熔覆层颗粒分布随有效质量能量密度的变化
Fig. 9. Particle distribution in cladding layers versus effective mass energy density
图 10. 熔覆试样的相对致密度随(a)激光功率和扫描速度以及(b)有效质量能量密度的变化
Fig. 10. Relative density of cladding samples versus (a) laser power and scanning speed, and (b) effective mass energy density
顾赛男, 王广原, 秦渊, 杨森. 激光熔覆W-Cu复合材料的组织形貌与工艺参数的相关性[J]. 中国激光, 2018, 45(4): 0402005. Gu Sainan, Wang Guangyuan, Qin Yuan, Yang Sen. Correlation between Process Parameters and Microstructure Morphologies of W-Cu Composites Fabricated by Laser Cladding[J]. Chinese Journal of Lasers, 2018, 45(4): 0402005.