Physical-Mechanical Behaviour of a LZS Glass-Ceramic

Jaime Domingos Teixeira; Manuel Alfredo Pereira; Lourival Boehs; Cristina Siligardi; Vicente Cantavella; A. Pedro Novaes de Oliveira

doi:10.4028/www.scientific.net/MSF.775-776.599

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HomeMaterials Science ForumMaterials Science Forum Vols. 775-776Physical-Mechanical Behaviour of a LZS...

Physical-Mechanical Behaviour of a LZS Glass-Ceramic

Abstract:

Physical and mechanical properties of a glass-ceramic belonging to the LZS (Li₂O-SiO₂-ZrO₂) system were investigated by dilatometric analysis, differential thermal analysis, X-ray diffraction and measurements of density, hardness, bending strength, modulus of elasticity and fracture toughness. The obtained glass-ceramics showed ZrSiO₄ and Li₂Si₂O₅ as main crystalline phases, relative densities between 84 and 99%, maximum hardness, bending strength, modulus of elasticity and toughness of 8±0.5 GPa, 214±20 MPa, 115±0.42 GPa and 3.65±0.21 MPa.m^1/2, respectively.

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Materials Science Forum (Volumes 775-776)

Pages:

599-603

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.775-776.599

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Online since:

January 2014

Authors:

Jaime Domingos Teixeira, Manuel Alfredo Pereira, Lourival Boehs, Cristina Siligardi, Vicente Cantavella, A. Pedro Novaes de Oliveira

Keywords:

Ceramic, Crystallization, Glass-Ceramics, Property, Sintering

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