1999 / Solid Freeform Fabrication Proceedings
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Author Gayle Link, Tonya Huntley, Alex Nickel, Rudolf Leitgeb, Tony Nguyen, Fritz Prinz, Stanford University
Source Solid Freeform Fabrication Proceedings, 1999, pp 727-734
Abstract Fabrication of solid freeform fully dense metal parts involves large temperature gradients and fast cooling rates. These conditions may lead to the accumulation of residual stress or part failure by deformation. However, in tool steels, certain phase transformations can cause volumetric changes, which have the potential to reduce part deformation and stress. This research optimized process parameters for inducing controlled phase transformation in Shape Deposition Manufacturing (SDM). By manipulating SDM laser deposition process parameters, the deformation of planar beams was significantly reduced or eliminated. (Auth abstract) [References: 14]
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
MC C2200
Austin, TX 78712-1063 USA
512-471-3026; 512-471-7681 FX; Email: sffsymp@uts.cc.utexas.edu