81.060.99 - Other standards related to ceramics

This part of EN 12923 specifies guidelines to be employed when undertaking corrosion tests on advanced technical ceramics. The mechanisms of chemical attack on advanced ceramics are widely varied and depend on the chemical and phase composition and the phase morphology of the material, as well as the corrosive conditions imposed. For any particular engineering application it is usually necessary to model expected conditions of use in order to obtain quantitative data on the ability to withstand ...view more

This Part of EN 725 describes a method for determining the densification of ceramic powders on natural sintering, without the application of any external pressure. The method is applicable to pure oxides, mixtures of oxides and solid solutions. Inorganic sintering additives may be used where their presence is reported.

TThis document specifies the conditions for determination of the flexural strength of ceramic matrix composite materials with continuous fibre reinforcement under three-point or four-point bending for temperatures up to 2 000 °C under vacuum or a gas atmosphere which is inert to the material under test.
NOTE 1   The use of these environments is aimed at avoiding changes of the material affecting its flexural strength caused by chemical reaction with its environment during the test.
This European...view more

This European Standard specifies a method for the determination of the temperature at which the self-loaded deformation of a ceramic test piece commences and the extent of this deformation.

This part of EN 725 specifies methods for the determination of the levels of silicon, aluminium, titanium, iron, calcium, magnesium, potassium, sodium, yttrium, hafnium, cerium and strontium using flame atomic absorption spectrometry (FAAS) and inductively coupled plasma atomic emission spectrometry (ICP - AES).  These methods are applicable to the concentration ranges given in clause 3, expressed as oxides.

This part of EN 658 specifies the conditions for determination of tensile properties of ceramic matrix composite materials with continuous fibre reinforcement at ambient temperature. This standard applies to all ceramic matrix composites with a continuous fibre reinforcement, unidirectional (1D), bidirectional (2D) and tridirectional (xD, with 2

This part of EN 821 describes a method for the determination of thermal diffusivity of advanced monolithic technical ceramics, to an accuracy of approximately +/- 5%. It is suitable for the measurement of thermal diffusivity values in the range 0.1 mm2/s to 1000 mm2/s at temperatures greater than -180°C.

This part of EN 821 desribes 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. The method describes general principles of construction, calibration and operation of suitable apparatus. Specific details, including test piece dimensions, depend on the design of the apparatus. Methods of calibration are given in annexes A a...view more

This part of EN 623 describes methods for determination of the bulk desnsity, apparent porosity of advanced technical ceramics.
Two methods are described and are designated as Methods 1 and 2, as follows :
Method 1: Determination of bulk density, apparent solid density and apparent porosity by the evacuation method.
Method 2: Determination of bulk density only, by measurement of dimensions and mass.