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A Study on Laser Engineered Net Shaping Prototyping Technology

[+] Author Affiliations
Zhenyu Xu, R. S. Amano, Pradeep Rohatgi

University of Wisconsin at Milwaukee, Milwaukee, WI

Paper No. DETC2007-35323, pp. 717-722; 6 pages
  • ASME 2007 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
  • Volume 2: 27th Computers and Information in Engineering Conference, Parts A and B
  • Las Vegas, Nevada, USA, September 4–7, 2007
  • Conference Sponsors: Design Engineering Division and Computers and Information in Engineering Division
  • ISBN: 0-7918-4803-5 | eISBN: 0-7918-3806-4
  • Copyright © 2007 by ASME


The objectives of this work are to study Laser Engineered Net Shaping (LENS™) produced materials and identify the microstructures. Numerical method was used to examine the influence of materials’ type and LENS™ process parameters on the forming of the specific microstructures from thermodynamics and fluid dynamics point of view. Samples of 4140 low alloy steel and 316L stainless steel were examined, microstructures of samples were used to estimate the corresponding cooling rate, and the cooling rate was compared with the numerical results.

Copyright © 2007 by ASME
Topics: Lasers



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