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Statistical analysis of Vickers indentation fracture toughness of Y-TZP ceramics (CROSBI ID 236489)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Ćorić, Danko ; Ćurković, Lidija ; Majić Renjo, Marijana Statistical analysis of Vickers indentation fracture toughness of Y-TZP ceramics // Transactions of FAMENA, XLI (2017), 2; 1-16

Podaci o odgovornosti

Ćorić, Danko ; Ćurković, Lidija ; Majić Renjo, Marijana

engleski

Statistical analysis of Vickers indentation fracture toughness of Y-TZP ceramics

The purpose of this study was to investigate and analyse the fracture toughness of yttria stabilized tetragonal zirconia polycrystal (Y- TZP) dental ceramics by means of the Vickers indentation technique. Fracture toughness was analysed under the following loads: 29.42 N, 49.03 N, 196.13 N and 294.20 N. Cracks, developed from the vertices of a Vickers indentation, were measured and used for determination of fracture toughness using nine different models. It was found that the fracture toughness depends on the indentation load, morphology of indentation cracking and the applied model of fracture resistance. The set of fracture toughness data was analysed using the two-parameter Weibull statistics. The Weibull modulus and scale parameter were determined by the linear regression method. It was concluded that the Weibull distribution can describe fracture toughness of Y-TZP ceramics properly.

Y-TZP ceramics ; Indentation test ; Fracture toughness ; Weibull statistics

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Podaci o izdanju

XLI (2)

2017.

1-16

objavljeno

1333-1124

Povezanost rada

Strojarstvo

Indeksiranost