Fracture toughness of cemented carbides: Testing method and microstructural effects
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10.1016/j.ijrmhm.2014.08.018
Inclou dades d'ús des de 2022
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hdl:2117/86464
Tipus de documentArticle
Data publicació2015-03-01
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Abstract
Fracture toughness is one the most important parameters for design applications and performance assessment of WC-Co cemented carbides (hardmetals). Different from hardness, fracture toughness is commonly a property more difficult to evaluate, particularly in brittle materials. A large number of different testing methods have been introduced to evaluate toughness of hardmetals, but in general all of them have either theoretically debatable issues or important experimental difficulties. In this study, three different fracture toughness testing methodologies are investigated: three-point bending on Chevron notched specimen (
CitacióSheikh, S., M'Saoubi, R., Flasar, P., Schwind, M., Persson, T., Yang, J., Llanes, L. Fracture toughness of cemented carbides: Testing method and microstructural effects. "International journal of refractory metals and hard materials", 01 Març 2015, vol. 49, p. 153-160.
ISSN0263-4368
Versió de l'editorhttp://www.sciencedirect.com/science/article/pii/S0263436814002340
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IJRMHM-D-14-00269.pdf | Main article | 6,206Mb | Visualitza/Obre |