1993 / Solid Freeform Fabrication Proceedings
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Author Britton R. Birmingham, and H. L. Marcus; The University of Texas at Austin
Source Solid Freeform Fabrication Proceedings, 1993, pp 308-316
Abstract This paper describes an investigation of the production of silicon carbide shapes by Selective Laser Reaction Sintering (SLRS). One type of SLRS process, which combines laser sintering of silicon with acetylene decomposition, is briefly outlined, and the mechanisms important to the process are discussed. A series of test shapes are made at different acetylene pressures to determine pressure effects on conversion to silicon carbide. X-ray diffraction spectroscopy is used for bulk analysis of the shapes, and Auger electron spectroscopy is used for surface analysis. The results indicate that acetylene pressure does have a strong effect on silicon conversion to silicon carbide, and SLRS can be used successfully to make silicon carbide shapes. (Auth abstract) [References: 10]
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