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GB/T 41498-2022Fibre-reinforced plastic composites - Shear test method using a shear frame for the determination of the in-plane shear stress/shear strain response and shear modulus (English PDF)

纤维增强塑料复合材料用剪切框测定面内剪切应力/剪切应变响应和剪切模量的试验方法

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Issued by

State Administration for Market Regulation, China National Standardization Administration

Level / Type

National · Recommended

Issue date

April 15, 2022

Implementation date

November 1, 2022

Scope

GB/T 41498-2022 is the English-translated version of 纤维增强塑料复合材料用剪切框测定面内剪切应力/剪切应变响应和剪切模量的试验方法.

GB/T 41498-2022 is the Chinese standard "Fibre-reinforced plastic composites - Shear test method using a shear frame for the determination of the in-plane shear stress/shear strain response and shear modulus".

Its scope clause reads: This document specifies the determination of the in-plane shear stress of continuous fiber-reinforced plastic composites with a fiber orientation of 0° and 0°/90° using a shear frame.

Test Methods for Force/Shear Strain Response, Shear Strength, and Shear Modulus.

This document applies to unidirectional fibers, nonwovens and/or fabrics (e.g. unidirectional fabrics) reinforced thermoset and thermoplastic composite laminates, The fiber direction is 0° and 0°/90° relative to the axial direction of the sample, and the layup is symmetrical and balanced relative to the midplane of the sample.

This document is suitable for the determination of shear properties over a range of linear and nonlinear load-deformation curves, with shear strains greater than 5%.

Short fiber reinforced plastic composite materials and long fiber reinforced plastic composite materials can be used for reference. Its clauses include terms and definitions.

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Document preview — GB/T 41498-2022

National Standard of the People's Republic of China

Classification: Q 23

Issued by: State Administration for Market Regulation, China National Standardization Administration

Preface
1 Scope
2 Normative references
3 Terms and Definitions
4 Principle
5 Instruments and equipment
6 Sample
7 Test Step
8 Calculation and result presentation
9 Test report

1 Scope

This document specifies the determination of the in-plane shear stress of continuous fiber-reinforced plastic composites with a fiber orientation of 0° and 0°/90° using a shear frame.

Test Methods for Force/Shear Strain Response, Shear Strength, and Shear Modulus.

This document applies to unidirectional fibers, nonwovens and/or fabrics (e.g. unidirectional fabrics) reinforced thermoset and thermoplastic composite laminates,

The fiber direction is 0° and 0°/90° relative to the axial direction of the sample, and the layup is symmetrical and balanced relative to the midplane of the sample.

This document is suitable for the determination of shear properties over a range of linear and nonlinear load-deformation curves, with shear strains greater than 5%.

Short fiber reinforced plastic composite materials and long fiber reinforced plastic composite materials can be used for reference.

2 Normative references

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document.

Note. GB/T 2918-2018 Standard Environment for Conditioning and Testing of Plastic Specimens (ISO 291.2008, MOD)

ISO 1268 (all parts) Fiber-reinforced plastics test panels preparation methods (Fibre-reinforcedplastics-Methodsof

Note. GB/T 27797 (all parts) Preparation method of fiber reinforced plastics test panels [ISO 1268 (all parts)] testresults-Estimationofthemean-Confidenceinterval)

ISO 7500-1 Inspection and calibration of static uniaxial testing machines for metallic materials - Part 1.Tensile and/or compressive testing machines measuring system)

Note. GB/T 16825.1-2008 Inspection of Static Uniaxial Testing Machines Part 1.Inspection and Calibration of Force Measuring Systems of Tensile and (or) Compressive Testing Machines (ISO 7500-1.2004, IDT)

ISO 12781-1 Product Geometric Specifications (GPS) Flatness Part 1.Vocabulary and Parameters (Geometricalproduct

Note. GB/T 24630.1-2009 Product Geometric Specifications (GPS) Flatness Part 1.Vocabulary and Parameters (ISO /T S12781-1.2003,

IDT)

3 Terms and Definitions

The following terms and definitions apply to this document. […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 24 pages — is available in the English PDF.

Referenced standards

Normative references

ISO 291.2008 · ISO 1268 · GB/T 27797 · ISO 7500 · ISO 12781

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