This Part of ENV 820 describes a znethod 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. The test may be performed in any appropriate atnosphere.
NVN-ENV 820-1-1994 history
1994NVN-ENV 820-1-1994 Advanced technical ceramics. Monolithic ceramics. Thermomechanical properties. Part 1: Determination of flexural strength at elevated temperatures