Results 31 to 40 of about 177,134 (289)
Welding of PMMA by a femtosecond fiber laser
Optics Express, 2015 Developing versatile joining techniques to weld transparent materials on a micrometer scale is of great importance in a growing number of applications, especially for the fabrication and assembly of biomedical devices. In this paper, we report on fs-laser microwelding of two transparent layers of polymethyl methacrylate (PMMA) based on nonlinear ...
Annalisa Volpe 1 +11 more
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Picosecond laser welding of similar and dissimilar materials [PDF]
, 2014 We report picosecond laser welding of similar and dissimilar materials based on plasma formation induced by a tightly focused beam from a 1030 nm, 10 ps, 400 kHz laser system.
Carter, Richard M. +4 more
core +1 more source
MULTIVARIATE OPTIMIZATION OF LASER TRANSMISSION WELDING OF NATURAL FIBER-REINFORCED POLYPROPYLENE [PDF]
Proceedings on Engineering SciencesThis study investigates laser transmission welding of 15 wt% natural fiber-reinforced polypropylene to 0.2 wt% carbon black doped polypropylene using empirical models developed using response surface methodology and the central composite design of ...
Munyaradzi Kapuyanyika +2 more
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Fiber Laser Welding in the Car Body Shop - Laser Seam Stepper versus Remote Laser Welding - [PDF]
Journal of Welding and Joining, 2013 The excellent beam quality of high power fiber lasers are commonly used for remote welding applications in body job applications. The Welding speed and productivity is unmatched with any other welding technology including resistance spot welding or traditional laser welding. High tooling cost for clamping and bulky safety enclosures are obstacles which
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Robotic Nd:YAG Fiber Laser Welding of Ti-6Al-4V Alloy
Metals, 2017 In the present study, Ti6Al4V titanium alloy plates were joined using a robotic fiber laser welding method. The laser welding process was carried out at two different welding speeds.
Ceyhun Köse, Engin Karaca
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Welding with high power fiber lasers – A preliminary study [PDF]
Materials & Design, 2007 Abstract The new generation of high power fiber lasers presents several benefits for industrial purposes, namely high power with low beam divergence, flexible beam delivery, low maintenance costs, high efficiency and compact size. This paper presents a brief review of the development of high power lasers, and presents initial data on welding of API ...
Quintino, Luísa +5 more
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Metals, 2016 Double-sided laser beam welding of skin-stringer joints is an established method for many applications. However, in certain cases with limited accessibility, single-sided laser beam joining is considered.
Shamini Janasekaran +3 more
doaj +1 more source
Metals, 2022 The fiber laser butt welding of AISI 304L and Q235 low-carbon steel is performed in this study. An integrated heat source combined with an asymmetric double-ellipsoidal heat source and a cylindrical heat source is designed to perform the numerical ...
Yanxi Zhang +4 more
doaj +1 more source
Defence Technology, 2016 The influence of different welding processes on the mechanical properties and the corresponding variation in the microstructural features have been investigated for the dissimilar weldments of 18% Ni maraging steel 250 and AISI 4130 steel.
Jaiteerth R. Joshi +4 more
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Possible explanations for different surface quality in laser cutting with 1 micron and 10 microns beams [PDF]
, 2012 In laser cutting of thick steel sheets, quality difference is observed between cut surfaces obtained with 1 micron and 10 micron laser beams. This paper investigates physical mechanisms for this interesting and important problem of the wavelength ...
Golubev V. S. +10 more
core +6 more sources