1. Aoki S, Kimura T (1993) Finite element study on the optical method of caustic for measuring impact fracture toughness. J Mech Phys Solids 41(3):413–425
2. ASTM Standard (2007) Standard test method for impact resistance of flat, rigid plastic specimens by means of a falling dart (tup or falling mass)
3. ASTM Standard, C1161-94 (2002) Standard test method for flexural strength of advanced ceramics at ambient temperature
4. ASTM Standard, C1327 (2008) Test method for Vickers indentation hardness of advanced ceramics
5. ASTM Standard, C1421 (2010) Standard test methods for determination of fracture toughness of advanced ceramics at ambient temperature