A method to determine the macroscopic toughness scatter of brittle materials
✍ Scribed by Pascal Forquin; Laurent Rota; Yann Charles; François Hild
- Book ID
- 111582625
- Publisher
- Springer Netherlands
- Year
- 2004
- Tongue
- English
- Weight
- 912 KB
- Volume
- 125
- Category
- Article
- ISSN
- 1573-2673
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Abatraet-Generally, linear elastic fracture mechanics (LEFM) is inadequate for fracture toughness (&.) characterizations of brittle or quasi-brittle materials such as ceramics, concretes, and rocks, because large process xones exist. In order to obtain a valid, size independent Xr, value (or to sati
Diametral compression of a grooved, disc shaped specimen is used to determine fracture toughness. This method's most important features are that extremely small specimens can be used and no knowledge of material properties is needed. It is suitable for many brittle materials, e.g. glass, cemented ca
The statistical scatter of fracture toughness in the ductile-brittle transition temperature range was experimentally examined on a 500 MPa class low carbon steel. Fracture toughness tests were replicatedly performed at À60 °C, À20 °C and À10 °C. The tests at À60 °C resulted in a single modal Weibull