Microstructural Characterization and Mechanical Properties of Si3N4Formed by Fused Deposition of Ceramics
| Autor: | Stephen C. Danforth, Philip J. Whalen, Amit Bandyopadhyay, S. Iyer, R. B. Clancy, C. Gasdaska, Ahmad Safari, Noshir A. Langrana, J. Mcintosh |
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| Rok vydání: | 2008 |
| Předmět: |
Marketing
Materials science Scanning electron microscope Weibull modulus Condensed Matter Physics Microstructure law.invention Fracture toughness Optical microscope Flexural strength law visual_art Materials Chemistry Ceramics and Composites visual_art.visual_art_medium Ceramic Composite material Shrinkage |
| Zdroj: | International Journal of Applied Ceramic Technology. 5:127-137 |
| ISSN: | 1744-7402 1546-542X |
| Popis: | We present processing (green and sintered), part shrinkage and warping, microstructural characterization, and mechanical properties of Si 3 N 4 made by fused deposition of ceramics (FDC), using optical microscopy, scanning electron microscopy, and X-ray diffraction. The mechanical properties (fracture strength, fracture toughness, and Weibull modulus) are also reported. Proper FDC build parameters resulted in dense, homogeneous, near-net-shape Si 3 N 4 , with microstructures and mechanical properties similar to conventionally processed material. Mechanical properties are shown to be isotropic, while there is some degree of microstructural texturing (preferred β-Si 3 N 4 grain orientation) in sintered components. |
| Databáze: | OpenAIRE |
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