Glass-alumina functionally graded materials: their preparation and compositional profile evaluation |
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| Affiliation: | 1. Department of Engineering “Enzo Ferrari”, University of Modena and Reggio Emilia, Via Vignolese 905, 41125 Modena, Italy;2. Lab/Group of Vitreous and Ceramic Materials, Instituto E. Torroja of Construction Sciences – IETcc-CSIC, Serrano Galvache, 4, 28033 Madrid, Spain;1. Department of Materials Science & Engineering, Indian Institute of Technology, Kanpur 208016, India;2. Department of Metallurgical and Materials Engineering, Indian Institute of Technology, Roorkee 247667, India;1. Department of Materials Science and Engineering, National Cheng Kung University, 1 Ta- Hsueh Road, Tainan 70101, Taiwan;2. Institute of Nanotechnology and Microsystems Engineering, National Cheng Kung University, 1 Ta- Hsueh Road, Tainan 70101, Taiwan;3. Department of Dentistry, Kaohsiung Medical University, 100 Shih-Chuan 1st Road, Kaohsiung 80708, Taiwan;4. Department of Dentistry, Kaohsiung Medical University, Chung Ho Memorial Hospital, 100 Tzyou 1st Road, Kaohsiung 80708, Taiwan;5. Department of Fragrance and Cosmetic Science, Kaohsiung Medical University, 100 Shih-Chuan 1st Road, Kaohsiung 80708, Taiwan;1. Universidade de São Paulo-Escola de Engenharia de Lorena, USP-EEL – Pólo Urbo-Industrial, s/n, Gleba AI-6, Lorena, SP 12600-000, Brazil;2. Universidade do Estado do Rio de Janeiro–Faculdade de Tecnologia, UERJ-FAT, Rod. Presidente Dutra, km, 298, Resende, RJ 27537-000, Brazil;3. Universidade Federal de São João Del´Rei-UFSJ, Campus Santo Antônio, Pça Frei Orlando 170, S. J.del Rei, MG 36.307-352, Brazil |
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| Abstract: | This work was focused on glass-alumina functionally graded materials (FGMs). For the glass phase, a proper composition was chosen belonging to the ternary system CaO–ZrO2–SiO2 and the substrate was made up of a sintered, high-purity polycrystalline alumina. Both of the ingredient materials were carefully characterized. The fabricated functionally graded materials were analysed in detail, by observing them under a scanning electron microscope (SEM) coupled with an X-ray energy dispersive spectrometer (X-EDS). The depth of penetration of the glass and the compositional profile were evaluated by means of a SEM-image elaboration. Moreover, this work applied an analytical model to predict the depth of penetration as a function of time and fabricating parameters such as temperature. |
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