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The Systematic Design of a Layered Manufacturing Process for the Realization of Metallic Parts of Designed Mesostructure

[+] Author Affiliations
Christopher B. Williams

Virginia Polytechnic Institute and State University, Blacksburg, VA

Farrokh Mistree, David W. Rosen

Georgia Institute of Technology, Atlanta, GA

Paper No. DETC2008-49457, pp. 411-423; 13 pages
doi:10.1115/DETC2008-49457
From:
  • ASME 2008 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
  • Volume 5: 13th Design for Manufacturability and the Lifecycle Conference; 5th Symposium on International Design and Design Education; 10th International Conference on Advanced Vehicle and Tire Technologies
  • Brooklyn, New York, USA, August 3–6, 2008
  • Conference Sponsors: Design Engineering Division and Computers in Engineering Division
  • ISBN: 978-0-7918-4329-1 | eISBN: 0-7918-3831-5
  • Copyright © 2008 by ASME

abstract

Recognizing the need for an improved cellular material manufacturing process, the authors follow a systematic design method (posed by Pahl and Beitz) to address the inherent limitations imposed on designer freedom by existing manufacturing techniques. After identifying unique requirements of a cellular material manufacturing process, several solution principles are systematically generated following functional decomposition, working principle ideation, the formulation of working structures (via morphological matrices), and a preliminary selection exercise. Following preliminary embodiment, a principal solution is identified through the formulation and solution of a selection Decision Support Problem. As a result of this design effort, a novel layered manufacturing process capable of realizing metallic cellular materials (specifically, the three-dimensional printing of metal oxide parts followed by a thermal-chemical conversion postprocess) is realized. Another result of this design process is the insight gained from the systematic requirements-driven (or “application-pull”) design of a layered manufacturing process.

Copyright © 2008 by ASME
Topics: Manufacturing , Design

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