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Polymer derived ceramics with s-eucryptite are manufactured and filler-matrix interactions in the temperature range between 800 and 1 100 °C are investigated. Pyrolysis temperatures above 1 000 °C led to changes of the β-eucryptite… Click to show full abstract
Polymer derived ceramics with s-eucryptite are manufactured and filler-matrix interactions in the temperature range between 800 and 1 100 °C are investigated. Pyrolysis temperatures above 1 000 °C led to changes of the β-eucryptite phase, due to a significant SiO2 amount in the polymer derived ceramic matrix. A new phase, β-spodumene, is formed; this is, confirmed by calculations of the lattice parameters. Scanning electron microscopy and energy dispersive x-ray spectroscopy of the microstructure allow to localize spots on the matrix-filler interface, where the described processes appear.
Journal Title: Advanced Engineering Materials
Year Published: 2017
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