The influence of nano-silica and zircon additions on the sintering and mechanical properties of in situ formed forsterite |
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| Affiliation: | 1. Refractories, Ceramics and Building Materials Dept., National Research Centre, 12311 Cairo, Egypt;2. Chemistry Department, Faculty of Science, Fayoum University, El-Fayoum, Egypt;1. Department of Pharmaceutics, Faculty of Pharmacy, Universidade Federal do Rio de Janeiro, Av. Carlos Chagas Filho, 373, CCS, Bloco Bss 31, University City, Rio de Janeiro, RJ, Brazil;2. Macromolecular Institute, Universidade Federal do Rio de Janeiro, Av. Horácio Macedo, 2030, CT, Bloco J, University City, Rio de Janeiro, RJ, Brazil;1. Department of Chemistry, Faculty of Science, Islamic Azad University, Kerman Branch, P. O. Box 7635131167, Kerman, Iran;2. Young Researchers and Elite Club, Kerman Branch, Islamic Azad University, Kerman, Iran;3. Department of Chemistry, Shahid Bahonar University of Kerman, P.O. Box 76175-133, Iran;1. Department of Chemistry, Faculty of Science, University of Qom, Qom, Iran;2. Department of Chemistry, Faculty of Science, K. N. Toosi University of Technology, Tehran, Iran |
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| Abstract: | The influence of nano-silica and zircon additions on the sintering and mechanical properties of in situ formed forsterite fired at 1550 °C for 2 h was investigated. The results indicated that, nano-silica improved in situ formed forsterite at the firing temperature, while zircon additions enhanced the sintering of the investigated samples. XRD analysis and SEM examination observed a good crystallinity of in situ formed forsterite with nano-silica and/or zircon additions. Densification parameter (BD ∼3.22 g/cm3 and AP ∼5.82%), cold crushing strength (CCS ∼285 MPa) and micro-hardness (Hv ∼660) were enhanced with zircon additions. |
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| Keywords: | Ceramics Mechanical properties Microstructure X-ray diffraction |
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