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Transactions of the INDIAN CERAMIC SOCIETY   Vol. 58  1999
Influence of Experimental Parameters on Fracture Toughness of Ceramics Measured by Different Techniques
D. CHAKRABORTY. S. K. DAnA AND A. K. MuKHOPADHYAY
Pages : 131-137
DOI : 10.1080/0371750X.1999.10799887
Abstract
For three important structural ceramics, vi~. sintered. alumina, silicon carbide and silicon nitride, the present work compared four methods of fracture toughness (K1<) evaluation, e.g. single edge notched beam (SENB) technique, chevron notched beam (CNB) technhJue, indentation fracture (IF) technique and frnctogra))hic method (FM). Further, for a given method, the influence of various experimental parameters such as blade width, notch ti)) radius, normalized notch length and the loading rate on the measured ':tlue of K10, was also evaluated.
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