M00000513
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ISO 17142 1st Edition, August 9, 2013 Fine ceramics (advanced ceramics, advanced technical ceramics) - Mechanical properties of ceramic composites at high temperature in air at atmospheric pressure - Determination of fatigue properties at constant amplitude
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Availability date: 07/13/2021
Description / Abstract:
This International Standard specifies the conditions for the
determination of properties at constant- amplitude of load or
strain in uniaxial tension/tension or in uniaxial
tension/compression cyclic fatigue of ceramic matrix composite
materials (CMCs) with fibre reinforcement for temperature up to 1
700 °C in air at atmospheric pressure. This International Standard
applies to all ceramic matrix composites with fibre reinforcement,
unidirectional (1D), bi-directional (2D), and tri-directional (xD,
where 2 x 3).
The purpose of this International Standard is to determine the
behaviour of CMC when subjected to mechanical fatigue and oxidation
simultaneously. Tests for the determination of fatigue properties
at high temperature in inert atmospheres differ from those in
oxidative atmospheres. Contrary to an inert atmosphere, damage in
an oxidative atmosphere accumulates due to the influence of purely
mechanical fatigue and to chemical effects of the material's
oxidation.