Effect of heat treatment in air on the thermal properties of SiC fibre reinforced composite: Part 2 A magnesium aluminium silicate (MAS) matrix glass ceramic composite |
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| Authors: | R Yilmaz R Taylor |
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| Affiliation: | (1) Technical Education Faculty, Metal Education Division, Sakarya University, Esentepe Campus, 54187 Sakarya, Turkey;(2) Manchester Materials Science Centre, University of Manchester Institute of Science and Technology, Grosvenor Street, Manchester, M1 7HS, England |
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| Abstract: | The thermal properties of a magnesium aluminium silicate (MAS) glass ceramic matrix composite reinforced by SiC (Nicalon)
fibres have been investigated before and after heat treatment in the temperature range 600–1,200 °C. Within this temperature
range, during the heat treatment at lower temperatures such as 600 and 700 °C, the oxidation of the carbon layer occurred
and mixture of silicon and carbon was formed in the interface. This results in a decrease in thermal diffusivity values. After
heat treatment at the temperatures higher than 1,000 °C, the carbon layer was thickened and resulted in the higher thermal
diffusivity values. |
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