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Campo DCValorIdioma
dc.creatorGallo, Leonardo Sant’Ana-
dc.creatorCélarié, Fabrice-
dc.creatorBettini, Jefferson-
dc.creatorRodrigues, Ana Candida M.-
dc.creatorRouxel, Tanguy-
dc.creatorZanotto, Edgar D.-
dc.date.accessioned2022-07-27T20:18:42Z-
dc.date.available2022-07-27T20:18:42Z-
dc.date.issued2022-04-01-
dc.identifier.citationGALLO, L. S. et al. Fracture toughness and hardness of transparent MgO–Al2O3–SiO2 glass-ceramics. Ceramics International, Faenza, v. 48, n. 7, p. 9906-9917, 1 Apr. 2021. DOI: 10.1016/j.ceramint.2021.12.195.pt_BR
dc.identifier.urihttps://doi.org/10.1016/j.ceramint.2021.12.195pt_BR
dc.identifier.urihttp://repositorio.ufla.br/jspui/handle/1/50737-
dc.description.abstractHard and strong transparent glass-ceramics (TGCs) can be used as cooktop plates, telescope mirrors, armor materials, and screens for smartphones and tablets. In this work, transparent glass-ceramics from the MgO–Al2O3–SiO2 (MAS) system were obtained after a refined heat-treatment protocol. The evolution in fracture toughness, KIC (Single Edge Precracked Beam), and Vickers hardness (HV) were characterized as a function of the crystallization progress. The KIC of the parent glass was 0.6 MPa m1/2, whereas the TGC samples present values around 1.1 MPa m1/2. The average glass hardness was 8.5 ± 0.8 GPa for loads of 0.6–5 N, whereas the HV of the TGC samples varied from 9 to 10 GPa, for indentation loads ranging from 4.9 to 9.8 N. These results are discussed in light of our previous findings on the evolution of elastic modulus in the same glass-ceramics.pt_BR
dc.languageen_USpt_BR
dc.publisherElsevierpt_BR
dc.rightsrestrictAccesspt_BR
dc.sourceCeramics Internationalpt_BR
dc.subjectTransparent glass-ceramicspt_BR
dc.subjectCrystallizationpt_BR
dc.subjectElastic moduluspt_BR
dc.subjectVitrocerâmicas transparentespt_BR
dc.subjectCristalizaçãopt_BR
dc.subjectMódulo elásticopt_BR
dc.titleFracture toughness and hardness of transparent MgO–Al2O3–SiO2 glass-ceramicspt_BR
dc.typeArtigopt_BR
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