Influence of Welding Process on Microstructure and Properties of Laser Welding of SiCp/6061 Al Matrix Composite
Direct laser welding, laser welding with Ti interlayer, and ultrasonic-assisted laser welding with Ti interlayer were used to join SiCp/6061 Al matrix composites. Microstructural evolutions, compositional distributions and tensile strengths under three processes were compared and analyzed. The exper...
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Frontiers Media S.A.
2021
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oai:doaj.org-article:bc5e504626784fb3983fe49ffb6ee39f2021-11-04T06:16:59ZInfluence of Welding Process on Microstructure and Properties of Laser Welding of SiCp/6061 Al Matrix Composite2296-801610.3389/fmats.2021.779324https://doaj.org/article/bc5e504626784fb3983fe49ffb6ee39f2021-11-01T00:00:00Zhttps://www.frontiersin.org/articles/10.3389/fmats.2021.779324/fullhttps://doaj.org/toc/2296-8016Direct laser welding, laser welding with Ti interlayer, and ultrasonic-assisted laser welding with Ti interlayer were used to join SiCp/6061 Al matrix composites. Microstructural evolutions, compositional distributions and tensile strengths under three processes were compared and analyzed. The experimental results showed that ultrasonic-assisted laser welding with Ti interlayer can obtain joints with good continuity and without obvious defects. Due to combined effects of Ti interlayer and ultrasonic, formation of brittle Al4C3 phase was greatly suppressed and fine TiC precipitates were also uniformly distributed in weld metal. The strength shown by the welded joints could reach up to 77.2% of the strength of the base material. Because of the internal defects (voids and pores) and the generated large numbers of brittle phases of Al4C3 in weld metal, the joint strength shown by the other two techniques, direct laser welding and laser welding with Ti interlayer, only reached 49.4 and 64.8% of the base material strength, respectively.Hongliang LiHongyang CaoQiang ZhuYunbin LuZeyu WangWentao ZhaoHongbo XiaFrontiers Media S.A.articlelaser weldingAl matrix compositemicrostructuremechanical propertiesTi interlayerTechnologyTENFrontiers in Materials, Vol 8 (2021) |
| institution |
DOAJ |
| collection |
DOAJ |
| language |
EN |
| topic |
laser welding Al matrix composite microstructure mechanical properties Ti interlayer Technology T |
| spellingShingle |
laser welding Al matrix composite microstructure mechanical properties Ti interlayer Technology T Hongliang Li Hongyang Cao Qiang Zhu Yunbin Lu Zeyu Wang Wentao Zhao Hongbo Xia Influence of Welding Process on Microstructure and Properties of Laser Welding of SiCp/6061 Al Matrix Composite |
| description |
Direct laser welding, laser welding with Ti interlayer, and ultrasonic-assisted laser welding with Ti interlayer were used to join SiCp/6061 Al matrix composites. Microstructural evolutions, compositional distributions and tensile strengths under three processes were compared and analyzed. The experimental results showed that ultrasonic-assisted laser welding with Ti interlayer can obtain joints with good continuity and without obvious defects. Due to combined effects of Ti interlayer and ultrasonic, formation of brittle Al4C3 phase was greatly suppressed and fine TiC precipitates were also uniformly distributed in weld metal. The strength shown by the welded joints could reach up to 77.2% of the strength of the base material. Because of the internal defects (voids and pores) and the generated large numbers of brittle phases of Al4C3 in weld metal, the joint strength shown by the other two techniques, direct laser welding and laser welding with Ti interlayer, only reached 49.4 and 64.8% of the base material strength, respectively. |
| format |
article |
| author |
Hongliang Li Hongyang Cao Qiang Zhu Yunbin Lu Zeyu Wang Wentao Zhao Hongbo Xia |
| author_facet |
Hongliang Li Hongyang Cao Qiang Zhu Yunbin Lu Zeyu Wang Wentao Zhao Hongbo Xia |
| author_sort |
Hongliang Li |
| title |
Influence of Welding Process on Microstructure and Properties of Laser Welding of SiCp/6061 Al Matrix Composite |
| title_short |
Influence of Welding Process on Microstructure and Properties of Laser Welding of SiCp/6061 Al Matrix Composite |
| title_full |
Influence of Welding Process on Microstructure and Properties of Laser Welding of SiCp/6061 Al Matrix Composite |
| title_fullStr |
Influence of Welding Process on Microstructure and Properties of Laser Welding of SiCp/6061 Al Matrix Composite |
| title_full_unstemmed |
Influence of Welding Process on Microstructure and Properties of Laser Welding of SiCp/6061 Al Matrix Composite |
| title_sort |
influence of welding process on microstructure and properties of laser welding of sicp/6061 al matrix composite |
| publisher |
Frontiers Media S.A. |
| publishDate |
2021 |
| url |
https://doaj.org/article/bc5e504626784fb3983fe49ffb6ee39f |
| work_keys_str_mv |
AT hongliangli influenceofweldingprocessonmicrostructureandpropertiesoflaserweldingofsicp6061almatrixcomposite AT hongyangcao influenceofweldingprocessonmicrostructureandpropertiesoflaserweldingofsicp6061almatrixcomposite AT qiangzhu influenceofweldingprocessonmicrostructureandpropertiesoflaserweldingofsicp6061almatrixcomposite AT yunbinlu influenceofweldingprocessonmicrostructureandpropertiesoflaserweldingofsicp6061almatrixcomposite AT zeyuwang influenceofweldingprocessonmicrostructureandpropertiesoflaserweldingofsicp6061almatrixcomposite AT wentaozhao influenceofweldingprocessonmicrostructureandpropertiesoflaserweldingofsicp6061almatrixcomposite AT hongboxia influenceofweldingprocessonmicrostructureandpropertiesoflaserweldingofsicp6061almatrixcomposite |
| _version_ |
1718445113526452224 |