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prEN ISO 19634 Edition 02/2023
Fine ceramics (advanced ceramics, advanced technical ceramics) - Ceramic composites - Notations and symbols (ISO 19634:2017)
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This document defines the symbols to be used to represent physical, mechanical and thermal characteristics, as determined by methods described in relevant ISO publications, for ceramic matrix composites. It is aimed at avoiding confusion in reporting measurements and characteristics of products. Where possible, the definitions are in accordance with the relevant parts of ISO 80000. In addition, the symbols used in undertaking measurements of these characteristics are also defined.


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Technical Committee :
CEN/TC 184 : Advanced technical ceramics


start of the vote on the project    18/03/2021   date of ratification (dor)    23/01/2023
end of the vote on the project    10/06/2021   date of anouncement (doa)    22/05/2023
start of the vote on the final project    31/10/2022   date of publication (dop)    21/08/2023
end of the vote on the final project    26/12/2022   date of withdrawal (dow)    21/08/2023

Publication Official Journal
of the Grand-Duchy of Luxembourg


Relations to older standards
CEN/TR 13233:2007

International Classification for Standards (ICS codes) :

81.060.30 : Advanced ceramics


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