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GB/T 45014-2024: Test method for pull-through resistance of fasteners of polymer matrix composite laminates
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Test method for pull-through resistance of fasteners of polymer matrix composite laminates
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Standard similar to GB/T 45014-2024
GB/T 42911 | GB/T 42542 | GB/T 42923 | GB/T 45011 | GB/T 45006 | Basic data
| Standard ID | GB/T 45014-2024 (GB/T45014-2024) |
| Description (Translated English) | Test method for pull-through resistance of fasteners of polymer matrix composite laminates |
| Sector / Industry | National Standard (Recommended) |
| Classification of Chinese Standard | Q23 |
| Classification of International Standard | 83.120 |
| Word Count Estimation | 14,146 |
| Date of Issue | 2024-11-28 |
| Date of Implementation | 2025-06-01 |
| Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration |
GB/T 45014-2024: Test method for pull-through resistance of fasteners of polymer matrix composite laminates
---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 Standard of the People's Republic of China
Fastener pull-off resistance of polymer matrix composite laminates
Test methods
Released on 2024-11-28
2025-06-01 Implementation
State Administration for Market Regulation
The National Standardization Administration issued
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 of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.
This document was proposed by China Building Materials Federation.
This document is under the jurisdiction of the National Technical Committee on Standardization of Fiber Reinforced Plastics (SAC/TC39).
This document was drafted by. China Aircraft Strength Research Institute and China Helicopter Design Institute.
The main drafters of this document are. Xie Jiahui, Huang Guangqi, Song Guibin, Tang Kun, Duan Minge, Yang Shengchun, Xiong Huafeng, Zheng Linfeng, Li Chong, Li Xiaolong,
Gong Qing, Wang Yingcong, Zhu Bensheng, and Xu Tianyu.
Fastener pull-off resistance of polymer matrix composite laminates
Test methods
1 Scope
This document specifies the method principle, test equipment, specimens, test conditions and test methods for the pull-off impedance test of polymer matrix composite laminate fasteners.
parts, test procedures, statistics and test reports.
This document is applicable to the determination of the pull-off resistance of fasteners in polymer matrix composite laminates.
2 Normative references
The contents of the following documents constitute essential clauses of this document through normative references in this document.
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to
This document.
GB/T 1446 General principles for test methods for properties of fiber reinforced plastics
GB/T 3961 Terminology of fiber reinforced plastics
3 Terms and definitions
The terms and definitions defined in GB/T 3961 and the following apply to this document.
3.1
Initial failure load initialfailureforce
Pi
The peak load before the load drops by less than 10% for the first time during loading or when the slope of the load-displacement curve changes by more than 10%
of load.
3.2
Failure force
Pf
The peak load before the first drop in load during loading is greater than 10%.
3.3
Maximum load maxforce
Pmax
The maximum load to which the specimen is subjected during the test.
4 Principles of the method
This method uses the fastener pull-off test fixture shown in Figure 1 to measure the pull-off resistance performance of the fasteners of the composite laminate.
The loading ear fork connected to the fastener on the laminate applies a tensile load to pull the fastener, and obtains the pull-off resistance of the fastener on the composite laminate.
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