International Journal of Materials Science and Applications
Volume 7, Issue 1-1, January 2018, Pages: 11-17
Received: Oct. 1, 2017;
Accepted: Oct. 10, 2017;
Published: Nov. 7, 2017
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Youssef Makhkhas, Faculty of Science, High Energy and Condensed Matter Lab, Hassan II University of Casablanca, Casablanca, Morocco
Saida Krimi, Faculty of Science, Physico Chemistry of Inorganic Materials Lab, Hassan II University of Casablanca, Morocco
Mohamed Taibi, Ecole Normale Supérieure de Rabat, Physico Chemistry of Inorganic and Organic Materials Lab, Université Mohammed V, Rabat, Morocco
El Hassan Sayouty, Faculty of Science, High Energy and Condensed Matter Lab, Hassan II University of Casablanca, Casablanca, Morocco
The paper reports a study on phosphate glasses containing Chromium, Iron and Sodium oxides. The phosphate glasses have been obtained in air by direct melting of Cr2O3, Fe2O3, Na2CO3, and (NH4)2HPO4. The preparation temperature is 1020°C. After annealing at 650°C for 48h, the glasses were partially crystallized and contained β-CrPO4 and Fe3(P2O7)2 crystalline phases. We have performed the measurement of X-Ray diffraction, and Infra-Infra-Red spectroscopy. The differential scanning calorimetry (DSC) was used in this work to determine the glass transition and the crystallization temperatures (Tg and Tc). We noticed that the Tg and Tc depends on the composition of the samples. The chemical durability was evaluated by weight losses of glass samples after immersion in hot distilled water at 90°C for 30 days. Weight loss measurements showed a good chemical durability against water and enhance the glass capacity to embed different chemical compounds. The density and molar volume were also measured.
El Hassan Sayouty,
Preparation and Characterization of Phosphate Material Doped with Chromium, International Journal of Materials Science and Applications. Special Issue: Energy and Materials II.
Vol. 7, No. 1-1,
2018, pp. 11-17.
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