中国激光, 2018, 45 (1): 0102003, 网络出版: 2018-01-24
填材对激光焊接匙孔与熔池三维瞬态行为的影响 下载: 976次
Effect of Filler Metal on Three-Dimensional Transient Behavior of Keyholes and Molten Pools in Laser Welding
图 & 表
图 3. 激光焊接模型的计算区域及网格划分
Fig. 3. Computational domain and mesh generation in laser welding model
图 4. 焊缝横截面的模拟与试验结果对比
Fig. 4. Comparison of simulated and experimental results of weld cross section
图 5. 不同作用时间内激光自熔焊过程中匙孔的三维形态。(a) 200 ms;(b) 203 ms;(c) 206 ms;(d) 210 ms
Fig. 5. Three dimensional shapes of keyholes in process of autogenous laser welding under different operation time. (a) 200 ms; (b) 203 ms; (c) 206 ms; (d) 210 ms
图 6. 不同作用时间内激光填丝焊过程中匙孔的三维形态。(a) 200 ms;(b) 203 ms;(c) 206 ms;(d) 210 ms
Fig. 6. Three dimensional shapes of keyholes in process of laser welding with filler wire under different operation time. (a) 200 ms; (b) 203 ms; (c) 206 ms; (d) 210 ms
图 8. (a)激光自熔焊和(b)激光填丝焊的匙孔壁面流场
Fig. 8. Flow fields on keyhole walls in (a) autogenous laser welding and (b) laser welding with filler wire
图 10. 熔池的纵、横截面的位置示意图
Fig. 10. Location diagram of longitudinal section and cross section of molten pool
图 11. 激光自熔焊熔池的流场分布。(a)纵截面;(b)横截面
Fig. 11. Flow field distributions of molten pools by autogenous laser welding. (a) Longitudinal section; (b) cross section
图 12. 激光填丝焊熔池的流场分布。(a)纵截面;(b)横截面
Fig. 12. Flow field distributions of molten pools by laser welding with filler wire. (a) Longitudinal section; (b) cross section
表 16056铝合金和ER4047焊丝的化学成分(质量分数,%)
Table1. Chemical compositions of 6056 aluminum alloy and ER4047 filler wire (mass fraction, %)
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表 2模型中6056铝合金的热物性参数
Table2. Thermal physical parameters of 6056 aluminum alloys used in model
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彭进, 胡素梦, 王星星, 王建升, 张芙蓉. 填材对激光焊接匙孔与熔池三维瞬态行为的影响[J]. 中国激光, 2018, 45(1): 0102003. Peng Jin, Hu Sumeng, Wang Xingxing, Wang Jiansheng, Zhang Furong. Effect of Filler Metal on Three-Dimensional Transient Behavior of Keyholes and Molten Pools in Laser Welding[J]. Chinese Journal of Lasers, 2018, 45(1): 0102003.