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Laser Induced Plasma Micro-Machining

[+] Author Affiliations
Kumar Pallav, Kornel F. Ehmann

Northwestern University, Evanston, IL

Paper No. MSEC2010-34242, pp. 363-369; 7 pages
  • ASME 2010 International Manufacturing Science and Engineering Conference
  • ASME 2010 International Manufacturing Science and Engineering Conference, Volume 2
  • Erie, Pennsylvania, USA, October 12–15, 2010
  • Conference Sponsors: Manufacturing Engineering Division
  • ISBN: 978-0-7918-4947-7 | eISBN: 978-0-7918-3887-7
  • Copyright © 2010 by ASME


A new micro-machining process that is motivated by the need to overcome the various limitations associated with the micro-EDM (μ-EDM) process is introduced. The limitations in μ-EDM are primarily due to the requirement of a conductive electrode and workpiece, tool wear, and complex wear compensation strategies. The new process, termed “laser-induced plasma micro-machining” uses a laser beam to generate plasma in a dielectric near the workpiece surface whose explosive expansion results in material removal by mechanisms similar to those that occur in μ-EDM.

Copyright © 2010 by ASME



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