1. Surface and microstructural influence on the flexure strength of dense polycrystalline MgO;Jacobson;Air Force Materials Lab. Rept. AFML-TR 66–91,1966
2. Chemical strengthening of ceramic materials;Kirchner;Ceramic Finishing Company Summary Rept., Contract N00019-70-C-0418,1970
3. Strengthening hot pressed Al2O3 by quenching;Kirchner;J. Am. Ceram. Soc.,1973
4. Effects of microstructure on the stress to propagate inherent flaws;Evans,1972
5. Fracture mirrors in alumina ceramics;Kirchner;Phil. Mag.,1973