This part of this standard specifies a method of determining the three-point or four-point flexural strength of advanced monolithic technical ceramics at elevated temperatures as agreed between parties to the test.
DS/EN 820-1:2003 history
2003DS/EN 820-1:2003 Advanced technical ceramics - Methods of testing monolithic ceramics - Thermomechanical properties - Part 1: Determination of flexural strength at elevated temperatures