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GB/T 37564-2019: Test method of creep performance for dipped cords
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Test method of creep performance for dipped cords
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GB/T 37564-2019
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Basic data | Standard ID | GB/T 37564-2019 (GB/T37564-2019) | | Description (Translated English) | Test method of creep performance for dipped cords | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | G47 | | Classification of International Standard | 83.140.99 | | Word Count Estimation | 10,113 | | Date of Issue | 2019-06-04 | | Date of Implementation | 2020-05-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 37564-2019: Test method of creep performance for dipped cords---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 of creep performance for dipped cords
ICS 83.140.99
G47
National Standards of People's Republic of China
Dipping cord creep performance test method
Published on.2019-06-04
2020-05-01 implementation
State market supervision and administration
China National Standardization Administration issued
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard was proposed by the China Petroleum and Chemical Industry Federation.
This standard is under the jurisdiction of the National Rubber and Rubber Products Standardization Technical Committee (SAC/TC35).
This standard was drafted. Zhongce Rubber Group Co., Ltd., Qingdao University of Science and Technology, Qingdao Keda New Rubber Technology Service Co., Ltd., Zhejiang
Yufu High-tech Fiber Co., Ltd., Qingdao New Material Technology Industrial Park Development Co., Ltd., Qingdao Yuke Materials Co., Ltd., Qingdao Ruirui
Da Magnetic Materials Co., Ltd.
The main drafters of this standard. He Huiying, Liu Xiao, Liu Li, Song Minggen, Kangle, Zhang Baogang, Feng Xiaomeng.
Dipping cord creep performance test method
1 Scope
This standard specifies the test method for the creep properties of dipped cords under set conditions.
This standard applies to the test of creep properties of dipped cords made of chemical fibers, and can also be used for dipping yarns and dipping of chemical fiber.
Test of creep properties of dipped skeleton materials such as rubber cords.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article.
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 2941 Rubber Physical Testing Methods General Procedures for Sample Preparation and Regulation
GB/T 8170 Numerical Rounding Rules and Representation and Determination of Limit Values
GB/T 32110 Dip skeleton material terms and definitions
3 Terms and definitions
The following terms and definitions as defined in GB/T 32110 apply to this document.
3.1
Creep creep
The process in which the length of the sample increases with time under a constant load.
3.2
Creep load creepload
The load applied by the creep test.
3.3
Creep time creeptime
The duration of time the specimen is subjected to creep loading.
3.4
Creep elongation creepextension
The difference in length of the sample before and after creep.
4 Test principle
The creep of the dipped cord means that the length of the dipped cord sample increases with time under the action of a certain temperature and constant tensile stress.
The process of increasing. During the test, one end of the cord sample is fixed, and the other end is pre-tensioned to measure the length of the sample; then the sample is applied
After a certain load and placed in a set temperature environment for a certain period of time, the length of the sample is measured again. Creep front and rear cord samples
The ratio of the difference in length to the length of the pre-creep cord sample is the creep rate of the dipped cord sample.
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