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1998 / Solid Freeform Fabrication Proceedings
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16. Powder Deposition and Sintering for a Two-Powder Approach to Solid Freeform Fabrication

Author Ashok V. Kumar, University of Florida

Source Solid Freeform Fabrication Proceedings, 1998, pp 169-176

Abstract A two-powder approach is presented where Fused Deposition modeling (FDM) is used to create a thin shell in the shape of the part to be fabricated. The shell is filled with powder of the part material and surrounded by a support powder that has a high sintering temperature. Upon compressing and sintering the shell/powder system in a uniaxial hot press, the polymer shell burns out and the support powder compresses the part powder. The part powder consolidates into the desired part while the support material remains in powder form and can be easily removed. This paper presents results of initial experimental studies. (Auth abstract) [References: 13]




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Solid Freeform Fabrication Proceedings can be obtained from:  The Solid Freeform Fabrication Symposium

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The University of Texas at Austin
Laboratory for Freeform Fabrication / Texas Materials Institute
Mechanical Engineering Dept.
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Austin, TX 78712-1063 USA
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