NDLI: Laser welding dissimilar reflective alloys

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Laser welding dissimilar reflective alloys

Content Provider	NASA Technical Reports Server (NTRS)
Author	Kahlen, F. Speigel, L. McCay, M. H. Gopinathan, S.
Copyright Year	1993
Description	This project, jointly sponsored by Rocketdyne and CSTAR, involves the development of laser joining of materials which have heretofore been impractical to bond. Of particular interest are joints between stainless steel and copper and also aluminum 6061 to aluminum 2219. CSTAR has a unique opportunity in this area since both the process and development and diagnostics are of interest to industry. Initial results using the pulse tailored laser welding technique developed in CLA for joining crack sensitive materials have proven promising for the aluminum joints based upon metallurgical and electronic microprobe analysis. A declaration of success requires additional mechanical testing. A CW technique has been applied to the stainless-copper joining with some preliminary success. These joints are of significant interest for aeronautics and rocket propulsion applications and the project is expected to continue.
File Size	14396492
Page Count	14
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19960009775
Archival Resource Key	ark:/13960/t16m85j5t
Language	English
Publisher Date	1993-01-01
Access Restriction	Open
Subject Keyword	Mechanical Engineering Aluminum Microanalysis Yag Lasers Continuous Radiation Laser Welding Pulsed Lasers Stainless Steels Data Bases Sensitivity Electron Beam Welding Metal Joints Cracking Fracturing Metal-metal Bonding Copper Continuous Wave Lasers Neodymium Lasers Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Article

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