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1. Investigation of Copper/Gold Laser Seam Welding for Targets Manufacturing

Author

V. Brunet, R. Bourdenet, C. Chicanne, and I. Geoffray

Subjects
Micro-welding, Materials science, High power lasers, business.industry, Frame (networking), ComputingMethodologies_IMAGEPROCESSINGANDCOMPUTERVISION, chemistry.chemical_element, Laser beam welding, Pulsed laser, Physics and Astronomy(all), Laser, Copper, target, law.invention, Optics, chemistry, Tube, law, Nd:YAG laser, Seam welding, Tube (fluid conveyance), Gold, business
Abstract

Targets dedicated to high power lasers experiments require accurate and reliable manufacturing technologies. In that frame, laser micro-welding represents a potential powerful tool for targets assembly. The feasibility of joining highly reflective and thin materials has been studied. Demanding requirements have to be fulfilled (gas tightness and target's geometry).

Published
2013
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2. Laser Micro-welding Applied to Target Manufacturing

Author

R. Bourdenet, M. Theobald, and I. Geoffray

Subjects
micro-welding, Materials science, Alloy, Metallurgy, chemistry.chemical_element, Welding, 5083 aluminium alloy, engineering.material, Physics and Astronomy(all), Thermal conduction, Laser, target, law.invention, Thermal conductivity, chemistry, Aluminium, law, pulsed laser, Nd:YAG laser, engineering
Abstract

In this work, samples of ultrapure aluminum (content 99.999%) and AA 5083 aluminum alloy (Al-Mg) have been welded under conduction regime, with a pulsed Nd:YAG laser. Due to the very specific final application (use of aluminum assemblies in cryogenic conditions), stringent specifications are imposed for the weld in terms of thermal conductivity and gas tightness at a temperature of 18°K. Process conditions were refined and were validated according to our cryogenic criteria

Published
2011
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