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Mechanical Properties of Ceramics in the Systems SIALON-Garnet and SIALON-Cordierite

机译:sIaLON-Garnet和sIaLON-Cordierite系统中陶瓷的力学性能

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Additional high temperature mechanical property data were collected in this period. Samples were prepared by hot pressing at 1750 deg C for various length of time to develop beta -SIALON grains with different sizes and aspect ratios. The composition of beta -SIALON containing 10 equivalent % of aluminum (designate as beta -10) containing 2 and 10 wt % of garnet and beta -10 containing 10 wt % of cordierite were prepared. Specimens were hot pressed at 1750 deg C for one hour. Typical microstructure of these samples are shown. Size and aspect ratio of the beta -SIALON grains in these samples are given. Temperature dependence of fracture strength and fracture toughness of these specimens were measured. The strength was measured by 4 point bending and toughness was measured by indentation bend. (ERA citation 11:007487)

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