NASA NTRS · 19960021848
Copper Gas Diffusers For Purging Line-Focus Laser Welds
Abstract
Modified flow diffusers built for inert-gas purging of welds made with 5-kW CO(2) lasers operating with line-focus optics in conduction mode instead of with point-focus optics in customary keyhole mode. Diffusers made of copper components brazed together, robust enough to withstand strong reflections of line-focused laser energy.
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Fonteyne, Steve L., Hosking, Timothy J., Shelley, D. Mark. 1996-04-01. Copper Gas Diffusers For Purging Line-Focus Laser Welds. https://ntrs.nasa.gov/citations/19960021848
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