$Fracture toughness ( KIc) of a dental porcelain determined by fractographic analysis$

Fracture toughness ( KIc) of a dental porcelain determined by fractographic analysis

Objectives: Fractographic analysis of indentation cracks is performed following flexure testing as part of the ASTM (1999) standard for fracture toughness, K Ic, determination in advanced ceramics. This method depends on the conduciveness of the material towards fractographic interpretation. The pur...

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Veröffentlicht in:	Dental materials 1999-09, Vol.15 (5), p.342-348
Hauptverfasser:	Scherrer, S.S., Robert Kelly, J., Quinn, G.D., Xu, K.
Format:	Artikel
Sprache:	eng
Schlagworte:	Aluminum Silicates - chemistry Analysis of Variance Ceramic Dental Porcelain - chemistry Dental Stress Analysis - methods Dentistry Elasticity Fractals Fractography Hardness Indentation Indentation fracture Indentation strength KIc Materials Testing - methods Pliability Porcelain Slow crack growth Statistics, Nonparametric Surface crack in flexure Surface Properties Toughness
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