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GB/T 41955-2022: Test method for compression of fiber reinforced polymer matrix composite multi-directional laminates without open-hole
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 41955-2022 | English | 279 |
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Test method for compression of fiber reinforced polymer matrix composite multi-directional laminates without open-hole
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GB/T 41955-2022
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Basic data | Standard ID | GB/T 41955-2022 (GB/T41955-2022) | | Description (Translated English) | Test method for compression of fiber reinforced polymer matrix composite multi-directional laminates without open-hole | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | Q23 | | Classification of International Standard | 83.120 | | Word Count Estimation | 14,173 | | Date of Issue | 2022-12-30 | | Date of Implementation | 2023-04-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 41955-2022: Test method for compression of fiber reinforced polymer matrix composite multi-directional laminates without open-hole
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS 83.120
CCSQ23
National Standards of People's Republic of China
Polymer-based composite multi-directional laminates
No-hole compression test method
Posted on 2022-12-30
2023-04-01 Implementation
State Administration for Market Regulation
Released by the National Standardization Management Committee
foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules for Standardization Documents"
drafting.
Please note that some contents of this document may refer to patents. The issuing agency of this document assumes no responsibility for identifying patents.
This document is proposed by China Building Materials Federation.
This document is under the jurisdiction of the National Standardization Technical Committee on Fiber Reinforced Plastics (SAC/TC39).
This document is drafted by. AECC Beijing Aeronautical Materials Research Institute, Anhui Jialiqi Advanced Composite Materials Technology Co., Ltd., Tianjin AI
Star Aerospace Technology Co., Ltd., Beijing Fiberglass Institute Testing Center Co., Ltd., AVIC Touchstone Testing Technology (Dachang) Co., Ltd., Beijing Machinery
Institute of Electrical Engineering, China Helicopter Design Institute, Hebei University of Technology, Beijing University of Aeronautics and Astronautics, China Machine Testing Co., Ltd.
The main drafters of this document. Wang Yana, Zhao Wei, Zhou Qingwen, Chen Xinwen, Lu Yuan, Wang Xiang, Zhang Haiyan, Lu Qiang, Kang Yanlong, Zhang Yi, Liu Hanyang,
Tang Zhanwen, Wang Can, Wang Zhen, Zhao Libin, Liu Fengrui, Zhang Daijun, Fan Xiaowang, Liu Dahui.
Polymer-based composite multi-directional laminates
No-hole compression test method
1 Scope
This document describes the principle, test equipment, test specimens, and test strips of the non-opening compression test method for polymer matrix composite multidirectional laminates.
Use methods, test procedures, test results and test reports of components, strain gauges and extensometers.
This document is applicable to the determination of the non-opening compressive properties of continuous fiber reinforced polymer matrix composites symmetrical and balanced multidirectional laminates. make up
For the determination of the compressive properties of the woven composite flat plate without openings, reference can be made.
2 Normative references
The contents of the following documents constitute the essential provisions of this document through normative references in the text. Among them, dated references
For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to
this document.
GB/T 1446 General Rules for Test Methods of Properties of Fiber Reinforced Plastics
GB/T 3961 Terminology of fiber reinforced plastics
3 Terms and Definitions
The following terms and definitions defined in GB/T 3961 apply to this document.
3.1
Bending percentage percentbending
The bending deformation of the sample is characterized by the difference in the indication value of a pair of longitudinal strain gauges pasted back to back at the center of the front and rear surfaces of the sample during the test.
degree of shape.
4 principles
A multi-directional laminate sample without a center hole is used, and the sample/fixture assembly is clamped in the chuck of the testing machine for loading, so that the working section of the sample is uniform.
Evenly loaded, the compressive properties of multi-directional laminates are obtained.
5 Test equipment
5.1 Testing machine
The testing machine shall comply with the provisions of GB/T 1446.
5.2 Deformation and measuring device
5.2.1 Use extensometer or strain gauge to measure deformation, the relative error should not exceed ±1%, and meet the following requirements.
a) Extensometer. gauge length is 25mm, measuring range is 0mm~2.5mm;
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