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GB/T 32788.4-2016: Test method for properties of prepreg -- Part 4: Determination of tensile strength
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 32788.4-2016 | English | 159 |
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Test method for properties of prepreg -- Part 4: Determination of tensile strength
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GB/T 32788.4-2016
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Basic data | Standard ID | GB/T 32788.4-2016 (GB/T32788.4-2016) | | Description (Translated English) | Test method for properties of prepreg -- Part 4: Determination of tensile strength | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | Q23 | | Classification of International Standard | 83.120 | | Word Count Estimation | 8,847 | | Date of Issue | 2016-06-14 | | Date of Implementation | 2017-05-01 | | Quoted Standard | GB/T 1446; GB/T 32788.5 | | Regulation (derived from) | National Standard Announcement No. 8 of 2016 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This standard specifies the principles, apparatus and equipment for the determination of the tensile strength of prepregs, test specimens, test conditions, test procedures, test results and test reports. This standard applies to carbon fiber, glass fiber, aramid fiber as a reinforcing material to thermosetting resin as the matrix of unidirectional prepreg tensile strength determination. | GB/T 32788.4-2016: Test method for properties of prepreg -- Part 4: Determination of tensile strength
---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.
Test method for properties of prepreg - Part 4. Determination of tensile strength
ICS 83.120
Q23
National Standards of People's Republic of China
Test method for performance of prepregs
Part 4. determination of tensile strength
Part 4. Determinationoftensilestrength
2016-06-14 release
2017-05-01 implementation
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
China National Standardization Management Committee released
Foreword
GB/T 32788 "Prepreg performance test method" is divided into six parts.
Part 1. Determination of gel time;
- Part 2. Determination of resin fluidity;
Part 3. Determination of volatile matter content;
- Part 4. Determination of tensile strength;
- Part 5. Determination of resin content;
Part 6. Determination of mass per unit area.
This part is part 4 of GB/T 32788.
This part is drafted in accordance with the rules given in GB/T 1.1-2009.
This section is proposed by the China Building Materials Federation.
This part of the National Fiber Reinforced Plastics Standardization Technical Committee (SAC/TC39) centralized.
This part is responsible for the drafting unit. Harbin FRP Research Institute.
This part participates in the drafting unit. AVIC Composite Material Co., Ltd., Hebei Haozheng Non-metallic Material Testing Service Co., Ltd., Lei Ke
Germany (polymer) Tianjin Co., Ltd., Jiangsu Hengshen Co., Ltd., Qihe County, Xingda Composite Materials Co., Ltd.
The main drafters of this part. Ding Xinjing, Wang Baorui, Sun Yuanjun, Ren Kun, Li Jinliang, Liu Dongxun, Zhang Rongqi, Yu Hao, Li Hongjiang, He Tao.
Test method for performance of prepregs
Part 4. determination of tensile strength
1 Scope
This part of GB/T 32788 specifies the principles, apparatus and equipment for the determination of the tensile strength of prepregs, samples, test conditions, test steps
Test results and test reports.
This part is suitable for carbon fiber, glass fiber, aramid fiber as a reinforcing material, thermosetting resin as the matrix of unidirectional prepreg
Determination of elongation.
2 normative reference documents
The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article
Pieces. For undated references, the latest edition (including all modifications) applies to this document.
GB/T 1446 Fiber reinforced plastics - Test methods - General
Test method for performance of prepregs - Part 5. Determination of resin content GB/T
3 principle
A unidirectional prepreg sample with a reinforcing sheet was stretched and loaded on a test machine to record a failure load, and the prepreg was calculated
strength.
4 instruments and equipment
4.1 testing machine. in line with the relevant provisions of GB/T 1446.
4.2 Analysis of balance. sense of 0.001g.
4.3 blast oven.
4.4 cardboard. thickness of 0.5mm ~ 1.0mm.
5 samples
5.1 Sampling
Discard the protective film after sampling, sampling from the edge of at least 50mm, the sample should not contain burrs. Special sampling requirements according to the relevant technical conditions
determine.
5.2 Sample size
The sample size is shown in Fig.
5.3 Number of samples
Effective sample not less than 5.
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