The dataset for alumina is from J. Roesler, H. Harders, and M. Baeker,
Mechanical Behaviour of Engineering Materials: Metals, Ceramics, Polymers, and Composites, New York, NY: Springer Berlin Heidelberg, 2007. The datasets for silicon nitride, silicon carbide, and aluminum nitride are from M. A. Meyers and K. K. Chawla,
Mechanical Behavior of Materials, Upper Saddle River, N.J.: Prentice Hall, 1999. The dataset for tungsten carbide is from L. Guerra Rosa, J. Lamon, I. Figueiredo, and F. A. Costa Oliveria, "A Method to Distinguish Extrinsic and Intrinsic Fracture-Origin Populations in Monolithic Ceramics,"
Journal of the European Ceramic Society,
26(16), 2006 pp. 3887–3895.