Results 201 to 210 of about 177,134 (289)

Study on the properties and mechanism of magnesium alloy and Ni-plating stainless-steel by ultrasonic-laser welding-brazing. [PDF]

Sci Rep
Wang B, Cheng Z, Xu H, Wang Y, Luo L, Wang S, Long W, Wei S.   +7 more
europepmc   +1 more source

Effect of Laser Parameters on Through-Thickness Local Hardness of Polypropylene Plates. [PDF]

Materials (Basel)
Guimarães A, Gomes D, Vieira A, Oliveira SM.   +3 more
europepmc   +1 more source

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Fiber laser welding of HSLA steel by autogenous laser welding and autogenous laser welding with cold wire methods

Journal of Materials Processing Technology, 2020
Abstract 6 mm thickness high strength low alloy (HSLA) steel butt joints were fabricated by fiber laser welding. The influence of welding parameters on morphologies, weld process behavior, microstructure and mechanical properties were investigated.
Shiwei Zhang, Junhao Sun, Minhao Zhu, Lin Zhang, Pulin Nie, Zhuguo Li   +5 more
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Multi-Objective Parameter Optimization of Fiber Laser Welding Considering Energy Consumption and Bead Geometry

IEEE Transactions on Automation Science and Engineering, 2022
Exploiting energy-saving potentials while obtaining ideal processing results is highly sought for in fiber laser welding (FLW) applications. However, little is known about the correlation between energy consumption and bead geometry of FLW, which is ...
Jianzhao Wu, Kunlei Lian, Yelin Deng, P. Jiang, Chaoyong Zhang   +4 more
semanticscholar   +1 more source

Study on laser welding of copper material by hybrid light source of blue diode laser and fiber laser

Journal of laser applications, 2021
Focusing on the problem of high-power laser welding of high reflectivity of copper, in this article, a physical model of energy absorption for the temperature field of hybrid laser deep penetration welding of copper materials is established by using a ...
Hang Yang, Xiahui Tang, Chong Hu, Songjia Liu, Yuan-Yuan Fan, Yu Xiao, Guojie Lu, Qiao Wang, Guoning Chen, Pengyue Xing, Hao Tan, Zhixiao Guo, Zengqiang Niu   +12 more
semanticscholar   +1 more source

Investigation of dissimilar fiber laser welding of low carbon steel and stainless steel by numerical simulation

, 2021
A three-dimensional numerical simulation model is developed in this paper to analyze the symmetry of weld geometry and the homogeneity of alloy distribution in the molten pool during the dissimilar fiber laser welding of low carbon steel and stainless ...
Ai Yuewei, Liu Xiaoying, Huang Yi, Yu Long   +3 more
semanticscholar   +1 more source

Femtosecond fiber laser welding of dissimilar metals

Applied Optics, 2014
In this paper, welding of dissimilar metals was demonstrated for the first time, to the best of our knowledge, by using a high-energy high-repetition-rate femtosecond fiber laser. Metallurgical and mechanical properties were investigated and analyzed under various processing parameters (pulse energy, repetition rate, and welding speed).
Huan, Huang, Lih-Mei, Yang, Shuang, Bai, Jian, Liu   +3 more
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Laser beam welding aerospace aluminum using fiber lasers

SPIE Proceedings, 2008
This work intends to contribute towards the knowledge of AA6013 aluminum alloy weldability, autogenously welded with a high-power fiber laser. The quality and metallurgical characterization of the welds were done considering laser speed and power as process parameters.
Milton S. F. Lima, Rudimar Riva, Aline C. de Oliveira, Gabriel R. Siqueira   +3 more
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Femtosecond fiber laser welding of PMMA

SPIE Proceedings, 2015
Femtosecond-pulsed laser welding of transparent materials on a micrometer scale is a versatile tool for the fabrication and assembly of electronic, electromechanical, and especially biomedical micro-devices. In this paper, we report on microwelding of two transparent layers of polymethyl methacrylate (PMMA) with femtosecond laser pulses at 1030 nm in ...
Volpe Annalisa, Di Niso Francesca, Gaudiuso Caterina, De Rosa Andrea, Vázquez Rebeca Martínez, Ancona Antonio, Lugarà Pietro Mario, Osellame Roberto   +7 more
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Review study on remote laser welding with fiber lasers

Journal of Laser Applications, 2013
The appearance of the high-power fiber laser with brilliant beam quality enables a rapid development of remote laser welding (RLW). In this paper, a theoretical study of remote laser welding has been reviewed. As a promising technology, the RLW offers an increased flexibility, high operational speed, and reduced cycle time to process a wide range of ...
Lu, Jinhong, Kujanpää, Veli
openaire   +1 more source