GB/T 34520.3-2017Test methods for continuous silicon carbide fiber - Part 3: Linear density and density (English PDF)
连续碳化硅纤维测试方法 第3部分：线密度和密度
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
November 1, 2017
Implementation date
May 1, 2018
Scope
GB/T 34520.3-2017 is the English-translated version of 连续碳化硅纤维测试方法 第3部分：线密度和密度.
GB/T 34520.3-2017 is the Chinese standard "Test methods for continuous silicon carbide fiber - Part 3: Linear density and density".
Its scope clause reads: 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. Its clauses include terms and definitions; test environment; sample.
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Document preview — GB/T 34520.3-2017
National Standard of the People's Republic of China
- ICS
- 49.025.99
- Classification
- V 13
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 test environment
- 5 sample
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 °C ± 5 °C, 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.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
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Related Standards
GB/T 34520.1-2017 — Test methods for continuous silicon carbide fiber - Part 1: Size content of filament yarn
GB/T 34520.2-2017 — Test methods for continuous silicon carbide fiber - Part 2: Diameter of single-filament fiber
GB/T 34520.4-2017 — Test methods for continuous silicon carbide fiber - Part 4: Tensile properties of filament yarn
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