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GB/T 34520.7-2017 English PDF

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US$119.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 34520.7-2017: Test methods for continuous silicon carbide fiber -- Part 7: High temperature strength retention rate
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 34520.7-2017	119	Add to Cart	3 days	Test methods for continuous silicon carbide fiber -- Part 7: High temperature strength retention rate	Valid

Similar standards

GB/T 34520.8 GB/T 34520.9 GB/T 34520.2 GB/T 34520.3

Basic data

Standard ID: GB/T 34520.7-2017 (GB/T34520.7-2017)
Description (Translated English): Test methods for continuous silicon carbide fiber -- Part 7: High temperature strength retention rate
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: V13
Classification of International Standard: 49.025.99
Word Count Estimation: 6,688
Date of Issue: 2017-11-01
Date of Implementation: 2018-02-01
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 34520.7-2017: Test methods for continuous silicon carbide fiber -- Part 7: High temperature strength retention rate

---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 7. High temperature strength retention rate ICS 49.025.99 V13 National Standards of People's Republic of China Continuous silicon carbide fiber test method Part 7. High temperature strength retention Part 7.Hightemperaturestrengthretentionrate Posted.2017-11-01 2018-02-01 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 7. 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 7. High temperature strength retention

1 Scope

GB/T 34520 provisions of this part of the test continuous silicon carbide (siliconcarbide, SiC) fiber high temperature strength retention test ring Habitat, test equipment, samples and their preparation, test procedures, calculation of test results and test reports. This section applies to SiC single fiber in an inert atmosphere 800 ℃ above the high temperature strength retention 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. 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 Determination of effective heating zone for heat treatment furnaces GB/T 9452-2012 GB/T 18374 Reinforcement terms and definitions Test methods for continuous silicon carbide fibers - Part 1. String sizing rate GB/T 34520.5-2017 Methods for the determination of continuous silicon carbide fibers - Part 5. Tensile properties of single fibers

3 Terms and definitions

GB/T 3291.3, GB/T 4146.3, GB/T 18374 and GB/T 34520.1-2017 as defined by the following terms and definitions suitable Used in this document. 3.1 High temperature strength retention strengthretentionratioafterretreatinginhigh-temperature The SiC fiber samples were treated for some time in a high-temperature environment. The tensile strength (σ ') of the treated samples and the untreated sample Tensile strength (σ) as a percentage.

4 test environment

4.1 Standard Test Environmental Conditions Temperature (23 ± 2) ℃, relative humidity (50 ± 10)%. 4.2 In other environmental conditions for testing, the test report should be marked in the test environment temperature and relative humidity.

5 test equipment

5.1 high temperature processing equipment High-temperature processing equipment should meet the following requirements. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 34520.7-2017_English be delivered?

Answer: Upon your order, we will start to translate GB/T 34520.7-2017_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 34520.7-2017_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 34520.7-2017_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.