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5. Tube and ring testing
Thanks to their mechanical strength and chemical inertness, reinforced plastics are increasingly used to transport pressurized fluids in sectors as varied as geothermal energy, district heating, petrochemicals and the chemical industry.
Piping components (pipes, elbows, tees and fittings) subjected to high levels of mechanical, chemical and thermal stress therefore require rigorous qualification, based on specific tests. The American ASTM standards are still the most highly developed, offering comprehensive characterization tests (figure 34 ). Their international equivalents (ISO) are currently at the draft stage.
5.1 Tube testing
In the field...
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Tube and ring testing
Tests on industrial parts
Bibliography
References
Test equipment suppliers
Non-exhaustive list
Ceast Spa http://www.ceast.com
Deltalab http://www.deltalab.fr
Erichsen http://www.erichsen.de
...
Testing laboratories
CETIM Centre technique des industries mécaniques.
ENSAM École nationale supérieure des arts et métiers de Paris.
École nationale supérieure des techniques industrielles et des mines de Douai
LNE Laboratoire national d'essais.
Pôle de plasturgie de l'Est.
Professional organizations
AMAC Association pour les matériaux composites.
CPC Centre de promotion des composites.
Fédération de la plasturgie.
GPIC Groupement de la plasturgie industrielle et des composites.
GPRMC Groupement européen des plastiques renforcés et matériaux composites.
SFIP Société française des ingénieurs...
Standardization
- Glass-fibre reinforced plastics – Normal atmospheres for conditioning and testing. Classification number : T57-050 - NF T57-050 - Juin 1977
- Glass-fibre reinforced plastics – Definitions of visual defects. Classification number: T57-100 - NF T57-100 - Octobre 1973
- Textile glass-reinforced plastics – Prepregs, molding compounds and laminates – Determination of textile glass and mineral filler content. Calcination...
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