2002
DOI: 10.1590/s0100-40422002000200003
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Resistência química de vitro-cerâmicos pertencentes a sistemas Li2O-ZrO2-BaO-SiO2 frente ao tratamento com soluções ácidas e básicas

Abstract: Recebido em 11/8/00; aceito em 29/8/01 CHEMICAL DURABILITY OF THE Li 2 O-ZrO 2 -BaO-SiO 2 GLASS-CERAMIC TREATED WITH ACIDIC AND BASIC SOLUTION.The chemical durability of the Li 2 O-ZrO 2 -BaO-SiO 2 system was examined by determination of the Vickers hardness. The dependence of hardness and of the chemical resistance with BaO addition was investigated. The experimental results indicate that the hardness increases with the BaO content. The samples surface's morphology submitted to the chemical treatment in acidi… Show more

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