GB/T 45461-2025Carbon fiber composite materials — Code of practice for test specimen tabbing (English PDF)
碳纤维复合材料 测试试样用加强片粘贴规程
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
March 28, 2025
Implementation date
October 1, 2025
Scope
GB/T 45461-2025 is the English-translated version of 碳纤维复合材料 测试试样用加强片粘贴规程.
GB/T 45461-2025 is the Chinese national standard covering bonding the end tabs onto a carbon fibre composite coupon before a tensile or compression test — the tab material and the adhesive, the inspection of the cured test panel, the surface preparation and the peel ply that leaves a clean bond line, the adhesive preparation and cure, the cutting of the specimen, and the quality checks that decide whether the coupon fails in the gauge length or in the grips. First edition, in force from 1 October 2025. Issued on 28 March 2025, it has been in force since 1 October 2025.
Document preview — GB/T 45461-2025
National Standard of the People's Republic of China
- ICS
- 59.100.20
- Classification
- Q 53
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Foreword
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 3.1 Test panel
- 3.2 Peelply
- 3.3 Specimen
- 4 Equipment and Materials
- 4.1 Cutting equipment
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 is proposed and coordinated by the National Carbon Fiber Standardization Technical Committee (SAC/TC572).
This document was drafted by: Shanghai Aircraft Manufacturing Co., Ltd., Nanjing Fiberglass Research and Design Institute Co., Ltd., Jiangsu Hengshen Co., Ltd.
Company, Sinopec Shanghai Petrochemical Co., Ltd., Aerospace Seahawk (Zhenjiang) Special Materials Co., Ltd., Zhongfu Shenying Carbon Fiber Co., Ltd.
Co., Ltd., Beijing University of Aeronautics and Astronautics, Institute of Aerospace Materials and Technology, Guangdong Zhongwei Composite Materials Co., Ltd., Jiangsu Aosheng Composite Materials Technology Co., Ltd., Beijing Glass Steel Institute Composite Materials Co., Ltd., Lishi (Shanghai) Scientific Instrument Co., Ltd., Changzhou Xinchuang Aviation Technology Co., Ltd., Chengdu Tiger Aerospace Technology Co., Ltd., Shanghai Aike Testing Technology Co., Ltd., Weihai Baowei New Materials Technology Co., Ltd., Tianjin Aisda Aerospace Technology Co., Ltd., Weihai Mingyue New Materials Co., Ltd., Chongqing Shengke Testing Technology Co., Ltd., Shaanxi Tiance New Materials Technology Co., Ltd., Shanghai Shentian Industrial Co., Ltd., Chongqing Chengfei New Materials Co., Ltd., China Construction Hailong Technology Co., Ltd.
Company, Jiangsu Hengrui Aviation Industry Co., Ltd., Jiangsu Hengrui Carbon Fiber Technology Co., Ltd., Harbin Xinke Rui Composite Materials Manufacturing Co., Ltd.
Shenyang Xizi Aviation Industry Co., Ltd., Xi'an Chida Aircraft Parts Manufacturing Co., Ltd., Anhui Yingtan New Materials Technology Co., Ltd.
Shandong Dingsheng Composite Materials Technology Co., Ltd., Shaanxi Yellow River Emerging New Materials Technology Co., Ltd., Changsheng (Langfang) Technology Co., Ltd.
Co., Ltd., Nanjing Sinoma Standard Certification Co., Ltd.
The main drafters of this document are: Yuan Chongxin, Ma Dan, Zhao Xinfu, Jia Yanrong, Zhu Mengze, Tian Yang, Li Zhiyuan, Chen Qiufei, Feng Yubo, Yan Shibo, Pan Yuexiu, Zhang Chuanyuan, Wang Feixiang, Song Nan, Xiao Yinci, Liao Yong, Wang Meng, Wang Bin, Dang Lei, Xiang Wei, Tan Yuan, Peng Jian, Xie Weimin, Jiang Bo, Zhang Yi, Leng Xibo, Cao Dongpu, Sun Haicheng, Li Junguang, Yang Bin, Li Song, Zhao Baojun, Qiu Jianquan, Gu Yongtao, Wang Jinwei, Liao Junjie, Zhou Jing, Xu Qi, Chen Yuhang, Yuan Tianyu, Jiang Jingqian, and Dong Bin.
Reinforcement sheet for carbon fiber composite material test specimens Pasting procedures
1 Scope
This document establishes the bonding procedure for reinforcing sheets for carbon fiber composite test specimens and specifies the Equipment and materials for reinforcing sheet pasting, requirements for reinforcing sheet and adhesive, as well as sample/test board inspection, reinforcing sheet preparation, bonding surface treatment, and adhesive bonding The process of adhesive preparation, adhesive reinforcement sheet attachment, adhesive curing and specimen cutting is described, and the verification of the quality requirements of the test specimen after the reinforcement sheet is attached is described. method.
This document applies to the bonding of reinforcement sheets for tensile and compression test specimens of carbon fiber composite materials.
2 Normative references
GB/T 2943
GB/T 40724
3 Terms and definitions
The terms and definitions defined in GB/T 2943 and GB/T 40724 and the following apply to this document.
3.1 Test panel
Composite material flat plate used for sample processing after curing and demolding.
3.2 Peelply
Co-cured with the composite surface, used to protect the composite bonding surface, and does not contain any migrating chemical release agents.
Note. Peel it off before bonding to obtain a clean bonding surface with clear texture.
[Source. GB/T 40724-2021, 5.79]
3.3 Specimen
Samples processed for testing according to the test method requirements.
[Source. GB/T 40724-2021, 7.50, modified]
4 Equipment and Materials
4.1 Cutting equipment
For the selection of cutting equipment for cutting test panels or specimens, see Appendix A.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
Editions of GB/T 45461
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 45461-2025 | Carbon fiber composite materials - Code of practice for test specimen tabbing | current edition | Current |
This page sells the current edition, GB/T 45461-2025. Earlier editions are listed for reference only.
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