Over the past 10 years, a novel cellular solid, Trabecular MetalTM (TM), has been developed for use in the orthopedics industry as an ingrowth scaffold. Manufactured using chemical vapor deposition (CVD) on top of a graphite foam substrate, this material has a regular matrix of interconnecting pores, high strength, and high porosity. Manufacturing difficulties encourage the application of stamping and forming technologies to increase CVD reactor throughput and reduce materials wastes. In this study, the formability of TM was evaluated using a novel camera-based system for measuring surface strains, since the conventional approach of printing or etching gridded patterns was not feasible. A forming limit diagram was then obtained using specially fabricated 1.65 mm thick sheets. No lubricant was used due to the cleanliness requirements for orthopedic implants.
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e-mail: pnebosky@sitesmedical.com
e-mail: schmid.2@nd.edu
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December 2011
Research Papers
Formability of Porous Tantalum Sheet-Metal
Paul S. Nebosky,
Paul S. Nebosky
Department of Aerospace and Mechanical Engineering,
e-mail: pnebosky@sitesmedical.com
University of Notre Dame
, Notre Dame, IN 46556
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Steven R. Schmid
Steven R. Schmid
Department of Aerospace and Mechanical Engineering,
e-mail: schmid.2@nd.edu
University of Notre Dame
, Notre Dame, IN 46556
Search for other works by this author on:
Paul S. Nebosky
Department of Aerospace and Mechanical Engineering,
University of Notre Dame
, Notre Dame, IN 46556e-mail: pnebosky@sitesmedical.com
Steven R. Schmid
Department of Aerospace and Mechanical Engineering,
University of Notre Dame
, Notre Dame, IN 46556e-mail: schmid.2@nd.edu
J. Manuf. Sci. Eng. Dec 2011, 133(6): 061006 (5 pages)
Published Online: December 1, 2011
Article history
Received:
October 28, 2010
Revised:
October 21, 2011
Online:
December 1, 2011
Published:
December 1, 2011
Citation
Nebosky, P. S., and Schmid, S. R. (December 1, 2011). "Formability of Porous Tantalum Sheet-Metal." ASME. J. Manuf. Sci. Eng. December 2011; 133(6): 061006. https://doi.org/10.1115/1.4005353
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