激光与光电子学进展, 2020, 57 (17): 171401, 网络出版: 2020-09-01 复制并引用该论文  本文已被引 3 次  被引通知

图 & 表

图 1. 焊缝形貌及焊缝宽度变化量定义

Fig. 1. Definition of weld morphology and weld width variation

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图 2. 焊接电压的输入及光丝间距对焊缝表面形貌的影响

Fig. 2. Influence of welding voltage input and the pitch of the optical fiber on weld surface morphology

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图 3. 焊接参数对焊接稳定性影响趋势。(a)电压-激光功率; (b)电压-光丝间距; (c)光丝间距-激光功率

Fig. 3. Trends of welding parameters' influence on welding stability. (a) Welding voltage and laser power; (b) arc voltage and distance laser-arc; (c) distance laser-arc and laser power

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图 4. 稳定焊接过程的熔滴过渡图及电信号图。 (a)熔滴过渡简化图;(b)焊接过程电信号图;(c)等离子体形态

Fig. 4. Droplet transition diagram and electric signal diagram of stable welding process. (a) Simplified diagram of droplet transition; (b) electric signal diagram of welding process; (c) plasma morphology

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图 5. 非正常间歇过渡引起极度不稳定焊接过程的熔滴过渡图及电信号图。 (a)熔滴过渡简化图;(b)焊接过程电信号图;(c)等离子体形态

Fig. 5. Drop transition diagram and electric signal diagram of extremely unstable welding process caused by abnormal intermittent transition. (a) Simplified diagram of droplet transition; (b) electric signal diagram of welding process; (c) plasma morphology

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图 6. 非正常短路过渡引起极度不稳定焊接过程的熔滴过渡图及电信号图。 (a)熔滴过渡简化图;(b)焊接过程电信号图;(c)等离子体形态

Fig. 6. Drop transition diagram and electrical signal diagram of extremely unstable welding process caused by abnormal short circuit transition. (a) Simplified diagram of droplet transition; (b) electric signal diagram of welding process; (c) plasma morphology

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图 7. 熔滴过渡形态与焊缝稳定性模型图。(a)非正常间歇过渡(大小滴);(b)非正常短路过渡

Fig. 7. Model diagram of droplet transition shape and weld stability. (a) Abnormal intermittent transition (large and small drops); (b) abnormal short circuit transition

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表 1根据Minitab设计的三因素5水平表

Table1. Three-factor 5-level table designed according to Minitab

Parameter -2 -1 0 1 2 Laser power /kW 2 3 4 5 6 Distance laser-arc /mm 0 1 2 3 4 Arc voltage /V 22 25 28 31 34

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表 2正交实验输出响应表

Table2. Orthogonal test output response table

NO. Laserpower /kW Distancelaser-arc /mm Arcvoltage /V △W /mm 1 2 0 22 0.86 2 2 1 25 0.59 3 2 2 28 0.68 4 2 3 31 0.28 5 2 4 34 0.79 6 3 0 25 2.03 7 3 1 38 1.14 8 3 2 31 0.79 9 3 3 34 0.98 10 3 4 22 0.58 11 4 0 28 2.03 12 4 1 31 1.44 13 4 2 34 2.00 14 4 3 22 1.14 15 4 4 25 1.15 16 5 0 31 2.54 17 5 1 34 2.86 18 5 2 22 1.02 19 5 3 25 0.94 20 5 4 28 0.45 21 6 0 34 2.96 22 6 1 22 1.40 23 6 2 25 1.77 24 6 3 28 1.09 25 6 4 31 1.20

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张旺, 唐彬, 郭彦兵, 华学明, 李芳. 激光+脉冲熔化极气体保护复合焊接表面成形及稳定性研究[J]. 激光与光电子学进展, 2020, 57(17): 171401. Wang Zhang, Bin Tang, Yanbin Guo, Xueming Hua, Fang Li. Investigation on Surface Forming and Stability of Laser+Pulse Melting Gas Metal Arc Hybrid Welding[J]. Laser & Optoelectronics Progress, 2020, 57(17): 171401.