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5. INFLUENCE OF DIFFERENT CaF₂ CONTENTS AND HEAT TREATMENT TEMPERATURES ON APATITE-MULLITE GLASS CERAMICS DERIVED FROM WASTE MATERIALS

Author

Wan Nurshamimi Wan Jusoh, Khamirul Amin Matori, Zaid Mohd Hafiz Mohd, Zainuddin Norhazlin, Khiri Mohammad Zulhasif Ahmad, Rahman Nadia Asyikin Abdul, Jalil Rohaniah Abdul, and Kul Esra

Subjects
apatite-mullite glass ceramics, caf₂, clam shell, heat treatment, soda lime silicate glass, Clay industries. Ceramics. Glass, TP785-869
Abstract

An apatite-mullite glass ceramics composition derived from clam shell (CS) and soda lime silicate (SLS) glass has been fabricated from a heat treatment process of composition, [xCaF₂⋅(45−x)SLS⋅15CS⋅20Al₂O₃⋅20P₂O₅], where x is 5, 10, 15 and 20 (wt%). The result concluded that the Ca and Si elements were found in the CS and SLS glass respectively as a major weight composition, thereby promoting the use of waste materials in the manufacture of glass ceramic samples. Besides, the CaF2 addition lowers the glass transition temperature (Tg) and crystallisation temperature (Tc) of the glass composition. The density and percentage of the linear shrinkage of the samples differs with the addition of CaF₂ and various heat treatment temperatures. For the structural properties' analysis, the formation of fluorapatite with a needle-like microstructure and mullite phase was enhanced with a higher CaF₂ content, while the growth of the anorthite phase was observed to occur at a higher heat treatment temperature. Generally, the addition of a high CaF₂ content with the help of heat treatment in apatite-mullite glass ceramics composition greatly promotes the crystallisation of the fluorapatite phase, which is crucial for denture glass ceramics.

Published
2020
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10. Effects of different sintering temperatures on thermal, physical, and morphological of SiO2-Na2O-CaO-P2O5 based glass-ceramic system from vitreous and ceramic wastes

Author

Pallan Nur Fadilah Baharuddin, Matori Khamirul Amin, Hashim Mansor, Azis Raba’ah Syahidah, Zainuddin Norhazlin, Pallan Nor Faizah Baharuddin, Idris Fadzidah Mohd, Ibrahim Idza Riati, Wah Loy Chee, Rusly Siti Nor Ain, Adnin Noorfauzana, Khiri Mohammad Zulhasif Ahmad, Alassan Zarifah Nadakkavil, Mohamed Nurzilla, and Zaid Mohd Hafiz Mohd

Subjects
glass-ceramic, sintering temperature, thermal properties, ceramic waste, vitreous wastes, Chemical technology, TP1-1185
Abstract

This research involved comprehensive studies on thermal, physical, and morphological properties of SiO2-Na2O-CaO-P2O5 (SNCP) glass-ceramic at various sintering temperatures. The study in SNCP glass-ceramic using soda-lime-silica (SLS) wastes glass and clam shell (CS) wastes as the main raw of materials via conventional melt-quenching technique and solid state sintering are interesting and challenging by considering the research using waste materials to fabricate novel SNCP glass-ceramic. The main peaks, Na3PO4 and Ca3Na6Si6O18 were assigned to high crystallization temperature (Tc) at 650-950°C. The density of samples increases at 550-750°C and decreases at 850-950°C due to the increase of sample thickness and higher specific volume at high sintering temperature. FESEM micrograph showed that existed porous increased at sintering temperature 850-950°C contributes effect to low densification of the sample.

Published
2019
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11. Structural, Optical, and Dielectric Properties of Co2+: Zn2sio4 Glass-Ceramics for Blue Phosphor Used in Optoelectronic Devices

Author

WAHAB, SITI AISYAH BINTI ABDUL, primary, Matori, Khamirul Amin, additional, Ab Aziz, Sidek Hj, additional, Zaid, Mohd Hafiz Mohd, additional, Kechik, Mohd Mustafa Awang, additional, Ibrahim, Idza Riati, additional, Khiri, Mohammad Zulhasif Ahmad, additional, Effendy, Nuraidayani, additional, and Abu Bakar, Muhammad Najibudin, additional

Published
2022
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13. A Study on Optical Properties of Zinc Silicate Glass-Ceramics as a Host for Green Phosphor

Author

Wahab, Siti Aisyah Abdul, primary, Matori, Khamirul Amin, additional, Zaid, Mohd Hafiz Mohd, additional, Awang Kechik, Mohd Mustafa, additional, Hj Ab Aziz, Sidek, additional, Talib, Rosnita A., additional, Azman, Aisyah Zakiah Khirel, additional, Khaidir, Rahayu Emilia Mohamed, additional, Khiri, Mohammad Zulhasif Ahmad, additional, and Effendy, Nuraidayani, additional

Published
2020
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15. Effects of Different Sintering Temperatures on Thermal, Physical, and Morphological of SiO2-Na2O-CaO-P2O5 Based Glass-ceramic System from Vitreous and Ceramic Wastes.

Author

Baharuddin Pallan, Nur Fadilah, Amin Matori, Khamirul, Hashim, Mansor, Azis, Raba'ah Syahidah, Zainuddin, Norhazlin, Pallan, Nor Faizah Baharuddin, Idris, Fadzidah Mohd, Ibrahim, Idza Riati, Loy Chee Wah, Rusly, Nor Ain, Adnin, Noorfauzana, Khiri, Mohammad Zulhasif Ahmad, Alassan, Zarifah Nadakkavil, Mohamed, Nurzilla, and Zaid, Mohd Hafiz Mohd

Subjects
GLASS-ceramics, SINTERING, GLASS waste, LOW Temperature Cofired Ceramic technology, WASTE products, HIGH temperatures, TEMPERATURE
Abstract

Copyright of Science of Sintering is the property of National Library of Serbia and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Published
2019
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16. The usability of ark clam shell (Anadara granosa) as calcium precursor to produce hydroxyapatite nanoparticle via wet chemical precipitate method in various sintering temperature

Author

Khiri, Mohammad Zulhasif Ahmad, primary, Matori, Khamirul Amin, additional, Zainuddin, Norhazlin, additional, Abdullah, Che Azurahanim Che, additional, Alassan, Zarifah Nadakkavil, additional, Baharuddin, Nur Fadilah, additional, and Zaid, Mohd Hafiz Mohd, additional

Published
2016
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