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The Mechanics of Fracture in Dental Ceramics

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Dental Ceramics

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Abstract

In this chapter, we will be presenting the main concepts of fracture mechanics, such as strength, fracture toughness, R-curve behavior, and subcritical crack growth, how to interpret these properties and how to perform accurate testing. The influence of defect size, shape, and distribution within the material will be addressed in the context of the statistical distribution of strength, while emphasis on aspects related to the microstructure will be related to the dynamic interaction with the crack front and wake, creating toughening mechanisms that will affect how fracture toughness will improve and develop. The static and dynamic relationship between strength and crack length will ultimately define the character of the fracture behavior under subcritical conditions.

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Authors and Affiliations

  1. Dental Clinic 1 – Operative Dentistry and Periodontology, Research Laboratory for Dental Biomaterials, Friedrich-Alexander University of Erlangen-Nuremberg, Erlangen, Germany

    Ulrich Lohbauer & Renan Belli

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  1. Ulrich Lohbauer
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  2. Renan Belli
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Correspondence to Ulrich Lohbauer .

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Lohbauer, U., Belli, R. (2022). The Mechanics of Fracture in Dental Ceramics. In: Dental Ceramics. Springer, Cham. https://doi.org/10.1007/978-3-030-94687-6_3

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