Advanced technical ceramics - Ceramic composites - Determination of elastic properties by resonant beam method up to 2000°C

Le présent document détermine des propriétés élastiques par une méthode de résonance sur poutres, jusqu'à 2 000 °C.

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Main informations

Collections

National standards and national normative documents

Publication date

August 2007

Number of pages

29 p.

Reference

NF EN 15335

ICS Codes

81.060.30 Advanced ceramics

Classification index

B43-358

Print number

1 - août 2007

European kinship

EN 15335:2007

Sumary

Advanced technical ceramics - Ceramic composites - Determination of elastic properties by resonant beam method up to 2000°C

Le présent document détermine des propriétés élastiques par une méthode de résonance sur poutres, jusqu'à 2 000 °C.

Table of contents

Avant-propos
3
1 Domaine d'application
4
2 Références normatives
4
3 Termes et définitions
4
4 Principe
5
5 Signification et utilisation
5
6 Appareillage
6
6.1 Enceinte à vide
6
6.2 Transducteurs
6
6.3 Boucles de faisceaux de fibres de carbone
7
6.4 Dispositif de pompage
7
6.5 Unités de commande et d'évaluation
7
6.6 Balance
7
6.7 Micromètres
7
6.8 Pieds à coulisse
7
7 Éprouvettes d'essai
8
7.1 Généralités
8
7.2 Forme et dimensions
8
7.3 Parallélisme plan
9
7.4 Nombre d'éprouvettes d'essai
9
8 Méthode d'essai
9
8.1 Préparation des éprouvettes d'essai
9
8.2 Réglage de l'appareillage
9
8.3 Mesure à température ambiante
10
8.4 Mesure à haute température
10
9 Calcul ou expression des résultats
11
9.1 Concept de base
11
9.2 Comment calculer les fréquences propres
11
9.3 Identification, correspondance et ajustement
15
9.4 Les deux étapes d'évaluation
17
10 Exactitude de la méthode et erreurs
18
11 Rapport d'essai
19
Annexe A (informative) Exemple
20
Bibliographie
26

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