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Elshaer, M., Amer, A., saleh, M., ahmed, M., awad allah, M., naga, S. (2025). Effect of Sintering Temperature on Mechanical Properties of the Mullite/ZTA Composites. Bulletin of Faculty of Science, Zagazig University, 2025(3), 175-185. doi: 10.21608/bfszu.2025.351721.1464
Mohammed Abosobh Elshaer; Ahmed A. Amer; mahmoud anwar saleh; mohamed awad ahmed; mohamed arif awad allah; salma mohamed naga. "Effect of Sintering Temperature on Mechanical Properties of the Mullite/ZTA Composites". Bulletin of Faculty of Science, Zagazig University, 2025, 3, 2025, 175-185. doi: 10.21608/bfszu.2025.351721.1464
Elshaer, M., Amer, A., saleh, M., ahmed, M., awad allah, M., naga, S. (2025). 'Effect of Sintering Temperature on Mechanical Properties of the Mullite/ZTA Composites', Bulletin of Faculty of Science, Zagazig University, 2025(3), pp. 175-185. doi: 10.21608/bfszu.2025.351721.1464
Elshaer, M., Amer, A., saleh, M., ahmed, M., awad allah, M., naga, S. Effect of Sintering Temperature on Mechanical Properties of the Mullite/ZTA Composites. Bulletin of Faculty of Science, Zagazig University, 2025; 2025(3): 175-185. doi: 10.21608/bfszu.2025.351721.1464

Effect of Sintering Temperature on Mechanical Properties of the Mullite/ZTA Composites

Article 16, Volume 2025, Issue 3, July 2025, Page 175-185  XML PDF (1.06 MB)
Document Type: Original Article
DOI: 10.21608/bfszu.2025.351721.1464
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Authors
Mohammed Abosobh Elshaer1; Ahmed A. Amer email 2; mahmoud anwar saleh3; mohamed awad ahmed4; mohamed arif awad allah5; salma mohamed naga6
1Chemistry - faculty of science - zagazig university - Abo hammad - Egypt
2zagazig- egypt zagazig
3mechanical eauipment - military technical college - cairo - Egypt
4chemistry - faculity of science - cairo university - cairo - Egypt
5Chemistry Department, Faculty of Science, Zagazig University, Zagazig, Egypt
6chemistry - faculty of science - ainshams university - cairo - Egypt
Abstract
ABSTRACT: This study investigated the effect of sintering temperature on the phase composition and physical as well as mechanical properties of the mullite and zirconia-toughened alumina (mullite / ZTA) composites formed by using a cold isostatic press (CIP) at 300 MPa . X-ray diffraction (XRD), scanning electron microscopy (SEM) and mechanical testing techniques for flexural strength, fracture toughness as well as Vickers hardness were employed to find the accurate relationship between two different sintering temperatures and sintered composite properties. The results showed that increasing the sintering temperature positively affected the bulk density. The enhancement of flexural strength and Vickers hardness with increasing sintering temperature from 1600°C to 1650°C was attributed to improvement in the physical properties (increasing bulk density and decreasing apparent porosity) of sintered composites. Also, the mullite formation with increasing sintering temperatures enhanced the fracture toughness of studied composites sintered at 1650°C compared to those sintered at 1600°C.
Keywords
Mullite; ZTA; Physical and Mechanical properties
Main Subjects
Basic and applied research of Chemistry,
Statistics
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