Research on weld formation mechanism of laser-MIG arc hybrid welding with butt gap
•The variable butt gap is used to study the gap bridging ability of laser-MIG arc hybrid welding.•Developed the welding process of laser-MIG arc hybrid welding under larger butt gap.•Laser-arc distance affects weld formation by affecting arc parameters and droplet transition.•Droplet transition is a...
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| Veröffentlicht in: | Optics and laser technology 2021-01, Vol.133, p.106530, Article 106530 |
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| container_title | Optics and laser technology |
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| creator | Huang, Hanxuan Zhang, Peilei Yan, Hua Liu, Zhengjun Yu, Zhishui Wu, Di Shi, Haichuan Tian, Yingtao |
| description | •The variable butt gap is used to study the gap bridging ability of laser-MIG arc hybrid welding.•Developed the welding process of laser-MIG arc hybrid welding under larger butt gap.•Laser-arc distance affects weld formation by affecting arc parameters and droplet transition.•Droplet transition is a mixture of short circuit transition and liquid bridge transition.
At present, there are few researches on laser -MIG arc hybrid welding with a large butt gap. In this paper, laser-MIG arc hybrid welding is used to weld low-alloy high-strength steel with a thickness of 3 mm, and a laser-MIG arc hybrid welding process under large gap conditions is developed. This paper studies the effects of arc voltage, laser-wire distance, and wire feed speed on the gap bridging capability of hybrid welding under different butting gaps. Under the condition of the 1 mm butt gap, the influence mechanism of laser-wire distance on weld the weld formation of hybrid welding is analyzed by combining high-speed photography, welding current and voltage waveform, the macroscopic and microscopic morphology of the weld. The results show that there are optimal process parameter values for the effects of arc voltage and laser-wire distance on the gap bridging capability of hybrid welding. Adjusting the laser-wire distance can optimize the energy distribution of laser on the welding wire and weld pool, thus controlling the arc current, voltage, and droplet transition mode, and finally affecting the weld penetration and forming. When the laser-wire distance is 0 mm, the droplet transition frequency is the fastest, and the droplet transition is a mixture of short circuit transition and liquid bridge transition. At this point, the welding rate is the fastest and the welding process is the most stable. However, by comprehensively integrating factors such as the gap bridging capability and the weld penetration, the optimal processing parameters are obtained when the laser-wire distance is 0.5 mm. |
| doi_str_mv | 10.1016/j.optlastec.2020.106530 |
| format | Article |
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At present, there are few researches on laser -MIG arc hybrid welding with a large butt gap. In this paper, laser-MIG arc hybrid welding is used to weld low-alloy high-strength steel with a thickness of 3 mm, and a laser-MIG arc hybrid welding process under large gap conditions is developed. This paper studies the effects of arc voltage, laser-wire distance, and wire feed speed on the gap bridging capability of hybrid welding under different butting gaps. Under the condition of the 1 mm butt gap, the influence mechanism of laser-wire distance on weld the weld formation of hybrid welding is analyzed by combining high-speed photography, welding current and voltage waveform, the macroscopic and microscopic morphology of the weld. The results show that there are optimal process parameter values for the effects of arc voltage and laser-wire distance on the gap bridging capability of hybrid welding. Adjusting the laser-wire distance can optimize the energy distribution of laser on the welding wire and weld pool, thus controlling the arc current, voltage, and droplet transition mode, and finally affecting the weld penetration and forming. When the laser-wire distance is 0 mm, the droplet transition frequency is the fastest, and the droplet transition is a mixture of short circuit transition and liquid bridge transition. At this point, the welding rate is the fastest and the welding process is the most stable. However, by comprehensively integrating factors such as the gap bridging capability and the weld penetration, the optimal processing parameters are obtained when the laser-wire distance is 0.5 mm.</description><identifier>ISSN: 0030-3992</identifier><identifier>EISSN: 1879-2545</identifier><identifier>DOI: 10.1016/j.optlastec.2020.106530</identifier><language>eng</language><publisher>Kidlington: Elsevier Ltd</publisher><subject>Arc welding ; Butt gap ; Butt welding ; Data integration ; Droplets ; Electric potential ; Energy distribution ; High speed photography ; High strength low alloy steels ; High-strength steel ; Laser beam welding ; Laser-MIG arc hybrid welding ; Laser-wire distance ; Lasers ; Liquid bridges ; Morphology ; Optimization ; Penetration ; Process parameters ; Short circuits ; Voltage ; Waveforms ; Welding current ; Welding parameters ; Welding wire</subject><ispartof>Optics and laser technology, 2021-01, Vol.133, p.106530, Article 106530</ispartof><rights>2020 Elsevier Ltd</rights><rights>Copyright Elsevier BV Jan 2021</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c392t-266b41c83444a702af4784be887719065ad6e3c6c04d66acfa4e5a642591af243</citedby><cites>FETCH-LOGICAL-c392t-266b41c83444a702af4784be887719065ad6e3c6c04d66acfa4e5a642591af243</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.optlastec.2020.106530$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids></links><search><creatorcontrib>Huang, Hanxuan</creatorcontrib><creatorcontrib>Zhang, Peilei</creatorcontrib><creatorcontrib>Yan, Hua</creatorcontrib><creatorcontrib>Liu, Zhengjun</creatorcontrib><creatorcontrib>Yu, Zhishui</creatorcontrib><creatorcontrib>Wu, Di</creatorcontrib><creatorcontrib>Shi, Haichuan</creatorcontrib><creatorcontrib>Tian, Yingtao</creatorcontrib><title>Research on weld formation mechanism of laser-MIG arc hybrid welding with butt gap</title><title>Optics and laser technology</title><description>•The variable butt gap is used to study the gap bridging ability of laser-MIG arc hybrid welding.•Developed the welding process of laser-MIG arc hybrid welding under larger butt gap.•Laser-arc distance affects weld formation by affecting arc parameters and droplet transition.•Droplet transition is a mixture of short circuit transition and liquid bridge transition.
At present, there are few researches on laser -MIG arc hybrid welding with a large butt gap. In this paper, laser-MIG arc hybrid welding is used to weld low-alloy high-strength steel with a thickness of 3 mm, and a laser-MIG arc hybrid welding process under large gap conditions is developed. This paper studies the effects of arc voltage, laser-wire distance, and wire feed speed on the gap bridging capability of hybrid welding under different butting gaps. Under the condition of the 1 mm butt gap, the influence mechanism of laser-wire distance on weld the weld formation of hybrid welding is analyzed by combining high-speed photography, welding current and voltage waveform, the macroscopic and microscopic morphology of the weld. The results show that there are optimal process parameter values for the effects of arc voltage and laser-wire distance on the gap bridging capability of hybrid welding. Adjusting the laser-wire distance can optimize the energy distribution of laser on the welding wire and weld pool, thus controlling the arc current, voltage, and droplet transition mode, and finally affecting the weld penetration and forming. When the laser-wire distance is 0 mm, the droplet transition frequency is the fastest, and the droplet transition is a mixture of short circuit transition and liquid bridge transition. At this point, the welding rate is the fastest and the welding process is the most stable. However, by comprehensively integrating factors such as the gap bridging capability and the weld penetration, the optimal processing parameters are obtained when the laser-wire distance is 0.5 mm.</description><subject>Arc welding</subject><subject>Butt gap</subject><subject>Butt welding</subject><subject>Data integration</subject><subject>Droplets</subject><subject>Electric potential</subject><subject>Energy distribution</subject><subject>High speed photography</subject><subject>High strength low alloy steels</subject><subject>High-strength steel</subject><subject>Laser beam welding</subject><subject>Laser-MIG arc hybrid welding</subject><subject>Laser-wire distance</subject><subject>Lasers</subject><subject>Liquid bridges</subject><subject>Morphology</subject><subject>Optimization</subject><subject>Penetration</subject><subject>Process parameters</subject><subject>Short circuits</subject><subject>Voltage</subject><subject>Waveforms</subject><subject>Welding current</subject><subject>Welding parameters</subject><subject>Welding wire</subject><issn>0030-3992</issn><issn>1879-2545</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNqFkF9LwzAUxYMoOKefwYDPnfnXtH0cQ-dgIgx9Dml6u6as7Uwyx769mRVffbrcyznncn4I3VMyo4TKx3Y27MNO-wBmxgg7X2XKyQWa0DwrEpaK9BJNCOEk4UXBrtGN9y0hRETVBG024EE70-Chx0fYVbgeXKeDjWsHptG99R0eahw_gEteV0sc1bg5lc5WPwbbb_HRhgaXhxDwVu9v0VWtdx7ufucUfTw_vS9ekvXbcrWYrxPDCxYSJmUpqMm5EEJnhOlaZLkoIc-zjBaxg64kcCMNEZWU2tRaQKqlYGlBdc0En6KHMXfvhs8D-KDa4eD6-FIxIXOepzLjUZWNKuMG7x3Uau9sp91JUaLOAFWr_gCqM0A1AozO-eiEWOLLglPeWOgNVNaBCaoa7L8Z3xmWfMs</recordid><startdate>202101</startdate><enddate>202101</enddate><creator>Huang, Hanxuan</creator><creator>Zhang, Peilei</creator><creator>Yan, Hua</creator><creator>Liu, Zhengjun</creator><creator>Yu, Zhishui</creator><creator>Wu, Di</creator><creator>Shi, Haichuan</creator><creator>Tian, Yingtao</creator><general>Elsevier Ltd</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>7U5</scope><scope>8FD</scope><scope>F28</scope><scope>FR3</scope><scope>H8D</scope><scope>L7M</scope></search><sort><creationdate>202101</creationdate><title>Research on weld formation mechanism of laser-MIG arc hybrid welding with butt gap</title><author>Huang, Hanxuan ; Zhang, Peilei ; Yan, Hua ; Liu, Zhengjun ; Yu, Zhishui ; Wu, Di ; Shi, Haichuan ; Tian, Yingtao</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c392t-266b41c83444a702af4784be887719065ad6e3c6c04d66acfa4e5a642591af243</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Arc welding</topic><topic>Butt gap</topic><topic>Butt welding</topic><topic>Data integration</topic><topic>Droplets</topic><topic>Electric potential</topic><topic>Energy distribution</topic><topic>High speed photography</topic><topic>High strength low alloy steels</topic><topic>High-strength steel</topic><topic>Laser beam welding</topic><topic>Laser-MIG arc hybrid welding</topic><topic>Laser-wire distance</topic><topic>Lasers</topic><topic>Liquid bridges</topic><topic>Morphology</topic><topic>Optimization</topic><topic>Penetration</topic><topic>Process parameters</topic><topic>Short circuits</topic><topic>Voltage</topic><topic>Waveforms</topic><topic>Welding current</topic><topic>Welding parameters</topic><topic>Welding wire</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Huang, Hanxuan</creatorcontrib><creatorcontrib>Zhang, Peilei</creatorcontrib><creatorcontrib>Yan, Hua</creatorcontrib><creatorcontrib>Liu, Zhengjun</creatorcontrib><creatorcontrib>Yu, Zhishui</creatorcontrib><creatorcontrib>Wu, Di</creatorcontrib><creatorcontrib>Shi, Haichuan</creatorcontrib><creatorcontrib>Tian, Yingtao</creatorcontrib><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Optics and laser technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Huang, Hanxuan</au><au>Zhang, Peilei</au><au>Yan, Hua</au><au>Liu, Zhengjun</au><au>Yu, Zhishui</au><au>Wu, Di</au><au>Shi, Haichuan</au><au>Tian, Yingtao</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Research on weld formation mechanism of laser-MIG arc hybrid welding with butt gap</atitle><jtitle>Optics and laser technology</jtitle><date>2021-01</date><risdate>2021</risdate><volume>133</volume><spage>106530</spage><pages>106530-</pages><artnum>106530</artnum><issn>0030-3992</issn><eissn>1879-2545</eissn><abstract>•The variable butt gap is used to study the gap bridging ability of laser-MIG arc hybrid welding.•Developed the welding process of laser-MIG arc hybrid welding under larger butt gap.•Laser-arc distance affects weld formation by affecting arc parameters and droplet transition.•Droplet transition is a mixture of short circuit transition and liquid bridge transition.
At present, there are few researches on laser -MIG arc hybrid welding with a large butt gap. In this paper, laser-MIG arc hybrid welding is used to weld low-alloy high-strength steel with a thickness of 3 mm, and a laser-MIG arc hybrid welding process under large gap conditions is developed. This paper studies the effects of arc voltage, laser-wire distance, and wire feed speed on the gap bridging capability of hybrid welding under different butting gaps. Under the condition of the 1 mm butt gap, the influence mechanism of laser-wire distance on weld the weld formation of hybrid welding is analyzed by combining high-speed photography, welding current and voltage waveform, the macroscopic and microscopic morphology of the weld. The results show that there are optimal process parameter values for the effects of arc voltage and laser-wire distance on the gap bridging capability of hybrid welding. Adjusting the laser-wire distance can optimize the energy distribution of laser on the welding wire and weld pool, thus controlling the arc current, voltage, and droplet transition mode, and finally affecting the weld penetration and forming. When the laser-wire distance is 0 mm, the droplet transition frequency is the fastest, and the droplet transition is a mixture of short circuit transition and liquid bridge transition. At this point, the welding rate is the fastest and the welding process is the most stable. However, by comprehensively integrating factors such as the gap bridging capability and the weld penetration, the optimal processing parameters are obtained when the laser-wire distance is 0.5 mm.</abstract><cop>Kidlington</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.optlastec.2020.106530</doi><oa>free_for_read</oa></addata></record> |
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| subjects | Arc welding Butt gap Butt welding Data integration Droplets Electric potential Energy distribution High speed photography High strength low alloy steels High-strength steel Laser beam welding Laser-MIG arc hybrid welding Laser-wire distance Lasers Liquid bridges Morphology Optimization Penetration Process parameters Short circuits Voltage Waveforms Welding current Welding parameters Welding wire |
| title | Research on weld formation mechanism of laser-MIG arc hybrid welding with butt gap |
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