2005 / Solid Freeform Fabrication Proceedings
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Author Saripella Surya Kumar, IIT Bombay, Brent Stucker, Utah State University
Source Solid Freeform Fabrication Proceedings, 2005, pp 273-282
Abstract Biomedical implant material research using additive manufacturing is a popular field of study. Many potential material combinations exist which, if implemented properly, could have a significantly positive effect on implant life and functionality. One material combination of interest is attaching porous Ta bone ingrowth material to a CoCrMo corrosion and wear resistant bearing surface. An investigation of the ability of the LENS process to join Ta to CoCrMo was undertaken. Direct joining of CoCrMo to Ta was known to be problematic, and thus transitional layers of other biomedically-compatible materials were investigated. It was determined that a transitional layer of zirconium appeared to be the best transitional material for this application due to its excellent biocompatibility, followed by stainless steel, with a lesser biocompatibility but better adhesive properties. (Auth abstract) [References: 5] XX
Solid Freeform Fabrication Proceedings can be obtained from: The Solid Freeform Fabrication Symposium
or contact:
The University of Texas at Austin
Laboratory for Freeform Fabrication / Texas Materials Institute
Mechanical Engineering Dept.
c/o The Solid Freeform Fabrication Symposium
1 University Station C2200
Austin, TX 78712-0292 USA
512-471-3026; 512-471-1045 FX; Email: sffsymp@uts.cc.utexas.edu