Selective Laser Sintering of Si3N4 and Al2O3 Ceramic Powders

Abstract:

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Selective laser sintering (SLS) of Si3N4 and Al2O3 powders were investigated in this work. Copolymer was synthesized through monomer MMA and BMA. Infrared spectrum was employed to characterize the as-synthesized copolymer. Results show that the main compositions of the copolymer are PMMA and PBMA. The binders were prepared by mixing the copolymer and the inorganic NH4H2PO4 with certain ratio. Binders were used to coat the Si3N4 and Al2O3 powders by spray drying. The coated powders were sintered successfully by SLS to make cubic part and rotor part.

Info:

Periodical:

Key Engineering Materials (Volumes 368-372)

Edited by:

Wei Pan and Jianghong Gong

Pages:

858-861

DOI:

10.4028/www.scientific.net/KEM.368-372.858

Citation:

J. Zhao et al., "Selective Laser Sintering of Si3N4 and Al2O3 Ceramic Powders", Key Engineering Materials, Vols. 368-372, pp. 858-861, 2008

Online since:

February 2008

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Price:

$35.00

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