1. Upadhya, K., Yang, J.M., and Hoffmann, W.P., Materials for Ultrahigh Temperature Structural Applications, Am. Ceram. Soc. Bull., 1997, vol. 58, pp. 51–56.
2. Fahrenholtz, W.G., Hilmas, G.E., Talmy, I.G., and Zaykoski, J.A., Refractory Diborides of Zirconium and Hafnium, J. Am. Ceram. Soc., 2007, vol. 90, pp. 1347–1364.
3. Levine, S.R., Opila, E.J., Halbig, M.C., Kiser, J.D., Singh, M., and Salem, J.A., Evaluation of Ultra-High Temperature Ceramics for Aeropropulsion Use, J. Eur. Ceram. Soc., 2003, vol. 22, pp. 2757–2767.
4. Rapp, R., Materials for Extreme Environments, Mater. Today, 2006, vol. 9, no. 5, p. 6.
5. Tripp, W.C., Davis, H.H., and Graham, H.C., Effect of a SiC Addition on the Oxidation of ZrB2, Am. Ceram. Soc. Bull., 1973, vol. 52, no. 8, pp. 612–616.