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GB/T 34520.3-2017 English PDF

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GB/T 34520.3-2017: Test methods for continuous silicon carbide fiber -- Part 3: Linear density and density
Status: Valid

Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	PDF
GB/T 34520.3-2017	English	199	Add to Cart	3 days [Need to translate]	Test methods for continuous silicon carbide fiber -- Part 3: Linear density and density	Valid	GB/T 34520.3-2017

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Basic data

Standard ID	GB/T 34520.3-2017 (GB/T34520.3-2017)
Description (Translated English)	Test methods for continuous silicon carbide fiber -- Part 3: Linear density and density
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	V13
Classification of International Standard	49.025.99
Word Count Estimation	10,150
Date of Issue	2017-11-01
Date of Implementation	2018-05-01
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 34520.3-2017: Test methods for continuous silicon carbide fiber -- Part 3: Linear density and density

---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 3. Linear density and density ICS 49.025.99 V13 National Standards of People's Republic of China Continuous silicon carbide fiber test method Part 3. Line density and density Part 3.Lineardensityanddensity 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 3. 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 Defense Science and Technology, China Aerospace Standardization Institute. 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 Jiao Jiao, Chen Qiang. Continuous silicon carbide fiber test method Part 3. Line density and density

1 Scope

GB/T 34520 provisions of this part of the test of continuous silicon carbide (siliconcarbide, SiC) fiber linear density and density of the test ring Habitat, samples, test equipment, test procedures, test results calculation and test report. This section applies to continuous fiber density and density of SiC test.

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. GB/T 1446 fiber-reinforced plastics performance test methods General 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 15223 Plastics - Liquid resins - Determination of density by the pyknometer method GB/T 18374 Reinforcement terms and definitions Test methods for continuous silicon carbide fibers - Part 1. String sizing rate

3 Terms and definitions

GB/T 3291.3, GB/T 4146.3, GB/T 18374 and GB/T 34520.1-2017 defined terms and definitions apply to this file.

4 test environment

4.1 Test Environmental Conditions Temperature is 23 ℃ ± 5 ℃, relative humidity is 50% ± 20%. 4.2 In other environmental conditions for testing, the test environment temperature and relative humidity should be specified in the test report.

5 sample

5.1 test line density, the surface of the sample can not remove the sizing agent, but should be described in the test report; not specified should be GB/T 34520.1- 2017 in 7.2 to remove the sample surface sizing agent. 5.2 test density, should be GB/T 34520.1-2017 in 7.2 to remove the sample surface sizing agent. 5.3 Sample Before testing according to the provisions of GB/T 1446 24h state adjustment. 5.4 The number of samples not less than 3.

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