Fracture toughness of glasses and hydroxyapatite: a comparative study of 7 methods by using Vickers indenter

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HERVAS , Isabel; MONTAGNE , Alex; Van Gorp , Adrien; BENTOUMI , M.; THUAULT , A.; IOST , Alain;
  • Publisher: Elsevier
  • Related identifiers: doi: 10.1016/j.ceramint.2016.05.030
  • Subject: Hydroxyapatite | Brittle fracture | Fracture toughness | [ PHYS.MECA.MEMA ] Physics [physics]/Mechanics [physics]/Mechanics of materials [physics.class-ph] | Matériaux [Chimie] | Optical glasses | [ SPI.MECA.MEMA ] Engineering Sciences [physics]/Mechanics []/Mechanics of materials [physics.class-ph] | [ SPI.MAT ] Engineering Sciences [physics]/Materials | [ PHYS.COND.CM-MS ] Physics [physics]/Condensed Matter [cond-mat]/Materials Science [cond-mat.mtrl-sci] | matière Condensée: Science des matériaux [Physique] | Indentation | Matériaux [Sciences de l'ingénieur] | Mécanique: Mécanique des matériaux [Sciences de l'ingénieur]

International audience; Numerous methods have been proposed to estimate the indentation fracture toughness Kic for brittle materials. These methods generally uses formulæ established from empirical correlations between critical applied force, or average crack length, an... View more
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