GB/T 32376-2015 in English

VALID

Elastic constants test method for fibre reinforced composites

Issued on:2015-12-31
Implemented on:2016-11-01
File Format:PDF
Delivery:Via email within 1~3 business days

Price(USD)： $200.00
$194.00

Standard No:	GB/T 32376-2015
Document status:	VALID
Title in English:	Elastic constants test method for fibre reinforced composites
Title in Chinese:	纤维增强复合材料弹性常数测试方法
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 1~3 business days
Issued on:	2015-12-31
Implemented on:	2016-11-01
ICS Classification:	83.120-Reinforced plastics
Chinese Classification:	Q23-Fibre reinforced composites
Professional Classification:	GB-National Standard
Related Keywords:	test method shear test interlaminar shear single performance test shear modulus test methods longitudinal tension test
Related Topics:	fiber reinforced Carbon fiber test method in composite materials Carbon fiber and composite material testing super elastic material Composite elastic modulus Composite elastic modulus Specialty Elastomer Compounds elastic constant fiber composite toughness fiber composite toughness elastic constant Oxygen Index Composite Resolubility test method Test method for elastic modulus of composite materials Composite Oxygen Index Composite dimension of hplc method material's modulus of elasticity Fiber Reinforced Composites GBT32376 GB/T 32376-2015 fiber reinforced composite fiber reinforced composite Fiber Reinforced Composite Calcination Method fiber composite loading Microalgae-material composite increases light intensity Quartz fiber dielectric constant test Changzhou fiber cutting machine measurement method Thickness detection of fiber reinforced composite materials Acid dissociation constant test method Composite film elastic modulus test Fiber composite material bending strength test Preparation method of fiber reinforced composite material test plate Fiber composite anchorage national standard Oxygen index test of fiber reinforced materials Cellulose Chiral Column Repair Method Material elasticity testing Complex Modulus Test Method Plant fiber elastic modulus test Fabric elastic strength test Fiber material temperature resistance test

《GB/T 32376-2015纤维增强复合材料弹性常数测试方法》由TC39（全国纤维增强塑料标准化技术委员会）归口，主管部门为中国建筑材料联合会。
本标准规定了纤维增强复合材料弹性常数测试的术语和定义、试验概述、试验方法和试验报告等。
本标准适用于单向纤维增强的[0]ns 、[90]ns 和[0／90]ns 聚合物基复合材料层合板、经纬织物增强的
聚合物基复合材料层合板的弹性常数测试。所测弹性常数主要用于结构分析与设计，包括纵向、横向、法向的拉伸弹性模量(El、E2、E3）、泊松比( μ2、μ13、μ23) 和剪切模量(G12、G13、G23)。

Introduction

1. Background and significance of standard formulation

The formulation of GB/T 32376-2015 aims to standardize the test method of elastic constants of fiber-reinforced composite materials and provide an accurate basis for structural analysis and design. The standard was proposed by the China Building Materials Federation and managed by the National Technical Committee for Standardization of Fiber Reinforced Plastics, which fully reflects its industry authority and applicability.

2. Comparison of standard frameworks

Standard dimensions	GB/T 32376-2015	Comparison standards
Scope of application	Unidirectional fiber reinforced and warp and weft fabric reinforced polymer matrix composite laminates	GB/T 3354 (longitudinal tensile properties) GB/T 3355 (shear properties)
Core indicators	9 elastic constants: E1, E2, E3, μ12, μ13, μ23, G12, G13, G23	Tensile modulus, Poisson's ratio and shear modulus
Test methods	5 tests: longitudinal tension, transverse tension, interlaminar tension, in-plane shear, interlaminar shear	Single performance test

3. Professional terms and practical applications

Material coordinate system: defines the principal axis directions (1, 2, 3 axes) of fiber-reinforced composite materials and is used to describe the relationship between stress and strain.

Case analysis: In the longitudinal tension test, the elastic modulus E1 and Poisson's ratio μ12 are calculated by measuring the strain changes of the specimen in the length and width directions. This test method is widely used in the performance evaluation of aerospace materials.

4. Analysis of Technological Evolution

It can be seen from GB/T 32376-2015 that the testing technology of fiber-reinforced composite materials has gradually developed in the direction of multi-dimensionality and high precision. Compared with the early standards, the interlaminar shear test has been added, which has significantly improved the comprehensive evaluation ability of the performance of laminates.

5. Implementation Suggestions

Prepare specimens in strict accordance with the requirements of the standard to ensure dimensional accuracy and surface quality.
Select appropriate test equipment to ensure that the load loading speed meets the regulations.
Strengthen operator training, especially strain gauge pasting and data processing.
It is recommended to establish a test result database to facilitate material performance analysis and optimization.

More samples: QC/T 942-2021 GB 18306-2015 NB/T 47013.2-2015

Sample only — not a preview of GB/T 32376-2015

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