This part of EN 821 describes the method for the determination of the linear thermal expansion characteristics of advanced monolithic technical ceramics up to a maximum temperature of 1500 °C and to a specified level of accuracy A or B as defined in table 1.
DS/EN 821-1:1996 history
2021DS/EN ISO 17562:2021 Fine ceramics (advanced ceramics, advanced technical ceramics) – Test method for linear thermal expansion of monolithic ceramics by push-rod technique (ISO 17562:2016)
1996DS/EN 821-1:1996 Advanced technical ceramics - Monolithic ceramics - Thermo-physical properties - Part 1: Determination of thermal expansion