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분야 | ISO/TC 61/SC 13 : Composites and reinforcement fibres |
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적용범위 | This document specifies methods for determining the through-thickness properties (i.e. strength, modulus of elasticity, Poisson’s ratio and strain-to-failure) of fibre-reinforced plastic composites using either rectangular prism and/or waisted block specimens. The methods are suitable for use with a variety of aligned and non-aligned, continuous, and discontinuous fibre formats, with both thermoset and thermoplastic matrices, ranging from 20 mm to 40 mm in thickness. Three specimen types are described in this document. These are: — Type I - fixed rectangular cross-section along length of specimen. It is the preferred specimen for determining elastic properties. — Type II - waisted rectangular cross-section, variable cross-section along length of specimen. It is only suitable for determining tensile strength values and is the preferred specimen for highly anisotropic and thermoplastic materials. — Type III - waisted rectangular cross-section, fixed cross-section along the gauge-length of specimen. It is used to provide both elastic and strength property data and is the preferred specimen for generating a full stress-strain response. Specimen types I and II are also suitable for use with unreinforced plastics but are unsuitable for use with rigid cellular materials and sandwich structures containing cellular materials. Two testing modes are covered: — Method A – Tension — Method B – Compression |
국제분류(ICS)코드 | 83.120 : 강화 플라스틱 |
페이지수 | 19 |
Edition | 1 |
No. | 표준번호 | 표준명 | 발행일 | 상태 |
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1 | ISO 20975-1:2023 | Fibre-reinforced plastic composites — Determination of laminate through-thickness properties — Part 1: Direct tension and compression tests | 2023-01-24 | 표준 |
ISO 20975-2:2018 - Fibre-reinforced plastic compositess — Determination of laminate through-thickness properties — Part 2: Determination of the elastic modulus, the strength and the Weibull size effects by flexural test of unidirectional laminate, for carbon-fibre based systems 상세보기
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