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Basic data
| Standard ID | GB/T 34520.1-2017 (GB/T34520.1-2017) |
| Description (Translated English) | Test methods for continuous silicon carbide fiber -- Part 1: Size content of filament yarn |
| Sector / Industry | National Standard (Recommended) |
| Classification of Chinese Standard | V13 |
| Classification of International Standard | 49.025.99 |
| Word Count Estimation | 6,670 |
| Date of Issue | 2017-11-01 |
| Date of Implementation | 2018-05-01 |
| Regulation (derived from) | National Standard Announcement 2017 No. 29 |
| 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 |
GB/T 34520.1-2017: Test methods for continuous silicon carbide fiber -- Part 1: Size content of filament yarn
---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 methods for continuous silicon carbide fiber-Part 1.
ICS 49.025.99
V13
National Standards of People's Republic of China
Continuous silicon carbide fiber test method
Part 1. Wire sizing rate
Part 1.Sizecontentoffilamentyarn
Posted.2017-11-01
2018-05-01 implementation
General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
China National Standardization Administration released
Foreword
GB/T 34520 "continuous silicon carbide fiber test method" is divided into seven parts.
--- Part 1. Beam wire sizing rate;
--- Part 2. Single fiber diameter;
--- Part 3. Line density and density;
--- Part 4. Beam tensile properties;
--- Part 5. Tensile properties of single fibers;
--- Part 6. Resistivity;
--- Part 7. High temperature strength retention.
This section GB/T 34520 Part 1.
This section drafted in accordance with GB/T 1.1-2009 given rules.
This part is proposed by China Aerospace Science and Technology Corporation.
This part of the National Aerospace Technology and Application Standardization Technical Committee (SAC/TC425) centralized.
This part of the drafting unit. National University of Defense Technology.
The main drafters of this section. Wang Jun, Wang Hao, Jane Branch, Wang Yifei, Song Yongcai, Wang Yingde, Shao Changwei, Gou Yan Zi, Wang Xiaowu, Wang Bing,
Tang 祚 Jiao.
Continuous silicon carbide fiber test method
Part 1. Wire sizing rate
1 Scope
This section GB/T 34520 specifies the use of hot air degradation (Method A), thermal degradation (Method B) and solvent removal (method
C) Test environment for testing the rate of sizing of silicon carbide (SiC) fiber strand, test equipment, test procedure, test result meter
Count and test report.
This section applies to the determination of continuous SiC fiber bundle sizing rate, the determination of other forms of SiC fiber sizing can refer to the use.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version applies to this article
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
Textile and textile materials - Performance and test terms - Part 3. General
GB/T 4146.3 Textiles chemical fibers Part 3. Inspection terms
GB/T 8170 rounded repair rules and limit values of the representation and judgment
GB/T 15723 laboratory glassware dryer
GB/T 18374 Reinforcement terms and definitions
3 Terms and definitions
GB/T 3291.3, GB/T 4146.3 and GB/T 18374 as defined by the following terms and definitions apply to this document.
3.1
Continuous silicon carbide fiber continuoussiliconcarbidefiber
Silicone polymer as raw material by spinning, not melting and firing at high temperature, or organic silicon compounds as raw material in the gas through the gas
Phase deposition obtained by Si, C-based continuous ceramic fibers.
4 test principle
The rate of sizing on the surface of the strand is obtained by subtracting the mass difference before and after the sizing agent from the mass after the sizing agent is removed. continuous
Methods for removing the sizing agent on the surface of the SiC fiber bundle include hot air degradation (Method A), thermal degradation (Method B), and solvent removal
(Method C). The hot air degradation method (Method A) is to remove the fiber strand surface slurry under air atmosphere. The thermal degradation method (Method B) is at rest
Remove the fiber strand surface slurry in a mild atmosphere. The solvent removal method (Method C) is based on the principle of compatibility of similar, using a suitable solvent
The sizing agent on the surface of continuous SiC fiber bundle dissolves.
5 test environment
Standard test environment conditions. temperature is 23 ℃ ± 5 ℃, relative humidity is 50% ± 20%.
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