1999 / Solid Freeform Fabrication Proceedings
PREV and NEXT link to numerically adjacent references for this YEAR.
CONTENTS links to the title list for this YEAR's references.
Author J. F. Rodriguez, J. P. Thomas, J. E. Renaud, University of Notre Dame
Source Solid Freeform Fabrication Proceedings, 1999, pp 335-342
Abstract Fused-Deposition (FD) creates parts using robotic extrusion of a semi-liquid polymer fiber, which molecularly bonds with neighboring fibers via thermal-diffusion bonding. The strength of the part depends on the bulk polymer strength, the mesostructure (fiber layout, void geometry, extent of fiber bonding), and the fiber-to-fiber bond strength. The influence of these factors on the mechanical strength of FD-ABS plastic parts is reported along with the FD process variable settings for maximum strength. Substantial increases in transverse strength are achieved at the optimal settings and additional increases can be achieved by post-fabrication annealing. Keywords: Stratasys, fused-deposition, ABS plastic, functional parts, strength, mesostructure, polymer diffusion. (Auth abstract) [References: 15]
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