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ISO 21971:2019

Current

Current

The latest, up-to-date edition.

Fine ceramics (advanced ceramics, advanced technical ceramics) Mechanical properties of ceramic composites at ambient temperature in air atmospheric pressure Determination of hoop tensile properties of tubes

Available format(s)

Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users

Language(s)

French, English

Published date

12-11-2019

This document specifies the conditions for the determination of hoop tensile properties of ceramic matrix composite (CMC) tubes with continuous fibre-reinforcement at ambient temperature in air atmospheric pressure. This document is specific to the tubular geometries since fibre architecture and specimen geometry factors in composite tubes are distinctly different from those in flat specimens.

This document provides information on the hoop tensile properties and stress-strain response, such as hoop tensile strength, hoop tensile strain at failure and elastic constants. The information can be used for material development, control of manufacturing (quality insurance), material comparison, characterization, reliability and design data generation for tubular components.

This document addresses, but is not restricted to, various suggested test piece fabrication methods. It applies primarily to ceramic and/or glass matrix composite tubes with a continuous fibrous-reinforcement: unidirectional (1D filament winding and tape lay-up), bi-directional (2D braid and weave) and tri-directional (xD, with 2 < x < 3), subjected to an internal pressure.

Values expressed in this document are in accordance with the International System of Units (SI).

DocumentType
Standard
Pages
18
PublisherName
International Organization for Standardization
Status
Current

Standards Relationship
BS ISO 21971:2019 Identical
NF ISO 21971:2020 Identical

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