Results 1 to 10 of about 177,134 (289)
High-Power Fiber Laser Welding of High-Strength AA7075-T6 Aluminum Alloy Welds for Mechanical Properties Research. [PDF]
Materials (Basel), 2021 The results disclosed that both the microstructure and mechanical properties of AA7075-T6 laser welds are considerably influenced by the heat input. In comparison with high heat input (arc welding), a smaller weld fusion zone with a finer dendrite arm ...
El-Batahgy AM +3 more
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Autogenous Fiber Laser Welding of 316L Austenitic and 2304 Lean Duplex Stainless Steels. [PDF]
Materials (Basel), 2020 This study presents results of experimental tests on quality of dissimilar welded joints between 316L austenitic and 2304 lean duplex stainless steels, welded without ceramic backing.
Landowski M +3 more
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Laser Welding of Fiber and Quartz Glass Ferrule
Micromachines, 2023 Optical fiber sensors fabricated by bonding have several limitations. To address these limitations, a CO2 laser welding process for an optical fiber and quartz glass ferrule is proposed in this study.
Wenhua Wang
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Journal of Materials Research and Technology, 2023 304 austenitic stainless steel with a thickness of 7.5 mm was welded by high-power fiber laser welding. The effects of main welding parameters, including laser power, welding speed, and defocusing amount, on weld formation were studied in detail.
Peikang Tao +3 more
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Journal of Materials Research and Technology, 2022 In this paper, the focus rotation has been adopted in the fiber laser butt welding of 4 mm thick Selective Laser Melting GH3536 and rolled solid solution GH3128. The weld morphology, microstructure, microhardness, joint strength and fracture morphologies
Zhiwei Cheng +6 more
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IEEE Access, 2020 High-power fiber laser welding has a broad range of applications in industrial processing and modern intelligent manufacturing, but how to assess the quality of laser welding has always been a concern. In the welding process, the geometric feature of the
Xin Tang +7 more
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Metals, 2018 High-power fiber laser welding is an efficient and effective way to produce heavy section structures. However, there is a significant challenge in producing the welds with free of imperfections such as nail-head-shaped welds, spatters, and root sagging ...
Mingjun Zhang +4 more
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Advances in Materials Science and Engineering, 2018 A heat source model is the key issue for laser welding simulation. The Gaussian heat source model is not suitable to match the actual laser weld profile accurately.
Peizhi Li +5 more
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Metals, 2017 For a dissimilar laser weld, the model of the heat source is a paramount boundary condition for the prediction of the thermal phenomena, which occur during the welding cycle.
Sonia D’Ostuni +2 more
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Multi-stage keyhole evolution in fiber laser welding: An experimental study and theoretical analysis
Results in Physics, 2021 Laser welding with high beam intensity generates a metal vapor, which partially displaces the metal melt, forming a narrow keyhole-shaped fusion zone. This study conducted theoretical analysis of the keyhole formation processes within fiber laser welding,
Shihui Guo +4 more
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