Properties and Crystallisation of M-SiAlON Glasses
Emrah Dölekçekiç
Broschiertes Buch

Properties and Crystallisation of M-SiAlON Glasses

Effects of Composition on Stability of B-phase

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Glasses with cation composition of M:Si:Al= 3.45:3:2 (where M= Er and Y) with varying nitrogen contents (0, 5, 8, 15 and 22 eq.%) have been prepared by ball milling in alcohol media. Results obtained for Er and Y-sialon glasses with varying nitrogen content revealed that there is a linear increase in fractional compactness, glass transition temperature, dilatometric softening temperature, microhardness and Young's modulus, with increase in nitrogen in the glass structure. Property results are compared with glass structure data obtained by FTIR and Raman spectroscopy which show that there are s...