Results 1 to 10 of about 2,053 (149)

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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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, Jianglin Zou, Jiejie Xu, Qiang Wu, Rongshi Xiao   +4 more
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Relationship between Microstructure and Corrodibility of Local Dry Underwater Laser Welded 304 Stainless Steel

Metals, 2022
To understand the relationship between microstructure and corrosion, in this study, underwater bead-on-plate laser welding was compared with the in-air laser welding of 10-mm-thick 304 stainless steel plates at different laser powers (2, 4, and 6 kW ...
Danbi Song, Jungsoo Choi, Dongsig Shin, Su-Jin Lee   +3 more
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Parametric Optimization of Laser Conduction Welding between Stainless Steel 316 and Polyethylene Terephthalate Using Taguchi Method [PDF]

Engineering and Technology Journal, 2022
A pulsed Nd:YAG laser with a fiber optic delivery system was used to accomplish a dissimilar joining of 316 stainless steel (SUS316) to polyethylene terephthalate (PET).
Maraw Khioon, Kadhim Hubeatir, Mohanned AL-Khafaji   +2 more
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Correlation between the spatters and evaporation vapor on the front keyhole wall during fiber laser keyhole welding

Journal of Materials Research and Technology, 2020
Severe spattering is one of the common problems during fiber laser keyhole welding. In this study, the correlation between the spatter formation and laser-induced evaporation vapor on the front keyhole wall (FKW) was studied by changing the welding speed
Gaolei Zhang, Baoqi Zhu, Jianglin Zou, Qiang Wu, Rongshi Xiao   +4 more
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Effects of Beam Shape on the Microstructures and Mechanical Properties during Thin-Foil Laser Welding

Metals, 2023
In this study, a fiber laser at a wavelength of 1070 nm with different beam shapes (spot, dough-nut, and spot-wobble) was used to weld thin 316 L stainless steel foils.
Danbi Song, Ryoonhan Kim, Kwangdeok Choi, Dongsig Shin, Sujin Lee   +4 more
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A Study on Cross-Shaped Structure of Invar Material Using Cold Wire Laser Fillet Welding (PART I: Feasibility Study for Weldability)

Metals, 2020
With the need for eco-friendly energy increasing rapidly due to global environmental issues, there is a rapidly increasing demand for liquefied natural gas (LNG). LNG is liquefied at minus 163 degrees Celsius, and its volume decreases to 1/600, giving it
Du-Song Kim, Changmin Pyo, Jaewoong Kim, Jisun Kim, Hee-Keun Lee   +4 more
doaj   +1 more source

Remote Laser Welding with High Power Fiber Lasers

Engineering, 2013
The introduction of the high power fiber laser with brilliant beam quality has enabled the rapid development of remote laser welding (RLW). This paper presents a theoretical review of remote laser welding. As a promising technology, RLW offers increased flexibility, high operational speed, and reduced cycle time to process a wide range of workpieces ...
Paul Kah, Jinhong Lu, Jukka Martikainen, Raimo Suoranta   +3 more
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Fiber laser technologies for photoacoustic microscopy

Visual Computing for Industry, Biomedicine, and Art, 2021
Fiber laser technology has experienced a rapid growth over the past decade owing to increased applications in precision measurement and optical testing, medical care, and industrial applications, including laser welding, cleaning, and manufacturing.
Long Jin, Yizhi Liang
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Weld root instabilities in fiber laser welding

Journal of Laser Applications, 2015
Fiber laser welding and fiber laser-arc hybrid welding have been developed into very useful industrial processes over the past few years. However, the use of fiber lasers can be associated with quality problems at the weld root such as intermittent penetration, melt ejection, and humping.
Powell, J Powell, John, Ilar, T Ilar, Torbjorn, Frostevarg, J Frostevarg, Jan, Torkamany, MJ Torkamany, Mohammad J., Na, SJ Na, Suck-Joo, Petring, D Petring, Dirk, Zhang, LJ Zhang, Linjie, Kaplan, AFH Kaplan, Alexander F. H.   +7 more
openaire   +2 more sources