Materiais Avançados

Abstract: Three-phase composites, especially those composed of high performance thermoplastics, have not been properly investigated with respect to their interlaminar fracture toughness. Therefore, this study investigates effect on the interlaminar fracture toughness by adding carbon nanotube buckypaper (BP), tested under cyclic loading in mode I and II. BP weakened the Leia mais…

Resumo: Na concepção de projetos de estruturas metálicas, o aço‐carbono é amplamente preferido devido à sua resistência mecânica e versatilidade. Contudo, sua elevada suscetibilidade à corrosão atmosférica pode comprometer prematuramente a durabilidade e a segurança das estruturas, caso não sejam adotadas medidas de proteção adequadas. Para essa proteção, é comum Leia mais…

Abstract: Carbon fiber-reinforced thermoplastic composites are widely used in the aeronautical industry due to their high mechanical properties and low specific weight. Within the select group of thermoplastic matrices, poly (aryl ether ketone) (PAEK) stands out as a semicrystalline material with high glass transition and melting temperatures. This work aims Leia mais…

Abstract: Surface modification of Ti implants can improve their performance. For instance, it is well established that a nanostructured oxide surface layer increases their capacity for effective osseointegration. In this paper, we investigated growth mechanisms and morphological characteristics of nanostructured oxides produced through anodization on various Ti alloy substrates. The Leia mais…