Abstract

This document specifies a method for the determination of interlaminar shear strength at ambient temperature by the compression of a double-notched test piece and a method for the determination of interlaminar shear strength and modulus at ambient temperature by the Iosipescu test. This document applies to all ceramic matrix composites with a continuous fibre reinforcement, having unidirectional (1D), bidirectional (2D) and multidirectional (xD, with×> 2) fibre architecture, where a major part of reinforcements is a stack of plies. This document is applicable to material development, material comparison, quality assurance, characterization, reliability and design data generation. The simpler compression test method of a double-notched test piece is applicable only when the shear strength has to be measured.

Begin

2024-08-15

WI

00184293

Planned document number

DIN EN ISO 20505

Project number

06236802

Responsible national committee

NA 062-02-94 AA - Testing of advanced technical ceramics - Ceramic composites  

Responsible european committee

CEN/TC 184/SC 1 - Advanced technical ceramics - ceramic composites  

Responsible international committee

ISO/TC 206/WG 4 - Composites  

draft standard

Fine ceramics (advanced ceramics, advanced technical ceramics) - Mechanical properties of ceramic composites at room temperature - Determination of the interlaminar shear strength and shear modulus of continuous-fibre-reinforced composites by the compression of double-notched test pieces and by the Iosipescu test (ISO 20505:2023); German and English version prEN ISO 20505:2024
2024-11
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previous edition(s)

Advanced technical ceramics - Mechanical properties of ceramic composites at room temperature - Part 4: Determination of interlaminar shear strength by compression loading of notched test specimens; German version EN 658-4:2003
2003-05

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