Fracture toughness in interface systems Ni-Cr/ceramic, alumina/ceramic and zirconia/ceramic

• Tipo: Artigo em Livro de Atas de Conferência Internacional
• Data: 2014

Autores

Porto, CPS (Autor) Outra; Parente, MPL (Autor) FEUP; Renato Natal Jorge (Autor) FEUP; Pereira, LC (Autor) Outra; Griza, S (Autor) Outra

Ata de Conferência Internacional

Título: BIODENTAL ENGINEERING III

Páginas: 15-20

3rd International Conference on Biodental Engineering (BIODENTAL)

Porto, PORTUGAL, JUN 22-23, 2014

Indexação

ISI Web of Knowledge - 0 Citações

Scopus - 0 Citações

Outras Informações

ID Authenticus: P-009-J54

Abstract (EN): In this study, there was a new setting in the dimensions and position of the crack in the specimen to perform the bending test of three points the objective of producing specimens with lower costs. The results of mechanical testing were compared and validated by the Finite Element Method (FEM). Numerical results and mode of fracture were similar in both methodologies employed, which shows the validity of this test. After the rupture area of the fracture was analyzed with the aid of a scanning electron microscope in order to identify the path of the crack opening. The tests allowed to obtain the value of fracture toughness of the interfaces of restorations. As for crack propagation that spread toward the veneering ceramic in all samples.

Idioma: Inglês

Tipo (Avaliação Docente): Científica

Nº de páginas: 6