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GB/T 39688-2020 English PDF

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US$129.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 39688-2020: Test method for determining density of ceramic coatings
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 39688-2020	129	Add to Cart	3 days	Test method for determining density of ceramic coatings	Valid

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Basic data

Standard ID: GB/T 39688-2020 (GB/T39688-2020)
Description (Translated English): Test method for determining density of ceramic coatings
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Q32
Classification of International Standard: 81.060.30
Word Count Estimation: 7,726
Date of Issue: 2020-12-14
Date of Implementation: 2021-07-01
Quoted Standard: GB/T 1216; GB/T 25995
Regulation (derived from): National Standard Announcement No. 28 of 2020
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration
Summary: This standard specifies the principles, instruments and equipment, samples, test procedures, calculation of results, analysis of test accuracy and error, and test reports of ceramic coating density test methods. This standard applies to ceramic coatings with a thickness greater than 0.1mm.

GB/T 39688-2020: Test method for determining density of ceramic coatings

---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.
(Testing method of ceramic coating density) ICS 81:060:30 Q32 National Standards of People's Republic of China Testing method of ceramic coating density 2020-12-14 release 2021-07-01 implementation State Administration for Market Regulation Issued by the National Standardization Management Committee

Foreword

This standard was drafted in accordance with the rules given in GB/T 1:1-2009: This standard was proposed by the China Building Materials Federation: This standard is under the jurisdiction of the National Industrial Ceramics Standardization Technical Committee (SAC/TC194): Drafting organizations of this standard: Jingdezhen Ceramic University, Shandong Industrial Ceramics Research and Design Institute Co:, Ltd:, Anhui Zhongya Steel Structure Engineering Co:, Ltd: Company, China Building Materials Inspection and Certification Group Co:, Ltd:, Guangdong Huacai Industry Co:, Ltd:, China Building Materials Inspection and Certification Group Zibo Co:, Ltd:, Jiangsu Wujin Hydraulic Hoist Co:, Ltd:, Beijing Mining and Metallurgical Technology Group Co:, Ltd:, Dongfang Electric Group Dongfang Steam Turbine Co:, Ltd: Company, China Aviation Development Shenyang Liming Aviation Engine Co:, Ltd: The main drafters of this standard: Li Yueming, Shen Zongyang, Li Kai, Sun Yi, Ji Kangsheng, Chen Changzhu, Bao Yiwang, Wan Detian, Wu Ping, Tang Zifeng, Xu Zhifeng, Ji Xiaojuan, Wang Wei, Wang Minghua, Zhang Jiaping: Testing method of ceramic coating density

1 Scope

This standard specifies the principles, instruments and equipment, samples, test procedures, calculation of results, test accuracy, and test methods for the density of ceramic coatings: Error analysis and test report: This standard applies to ceramic coatings with a thickness greater than 0:1mm:

2 Normative references

The following documents are indispensable for the application of this document: For dated reference documents, only the dated version applies to this article Pieces: For undated references, the latest version (including all amendments) applies to this document: GB/T 1216 outside micrometer GB/T 25995 Test method for density and apparent porosity of fine ceramics

3 Terms and definitions

The following terms and definitions apply to this document: 3:1 Apparent solidvolume The sum of the volume of solid material and closed pores: 3:2 Density The ratio of the mass of the dry material to its apparent volume: 3:3 Ratioofthedryweight The mass ratio of dry uncoated sample (substrate) to coated sample:

4 Principle

Under the premise that the interface between the ceramic coating and the uncoated sample (substrate) is continuous and without peeling, the substrate is measured based on the Archimedes drainage method And the density of the coating-matrix composite (coating sample), and the solution of the density between the matrix, the coating sample and the ceramic coating is derived through mathematics Analyze the relationship and calculate the density value of the ceramic coating: This method is suitable for both single coating and multilayer composite coating: Testing multiple layers When coating a sample, consider a certain coating on the surface of the sample as a single-layer coating, and the rest of the sample as the substrate, and so on, you can measure The density of any coating: According to the analytical relationship between the density of the substrate, the coating sample and the ceramic coating, the density of the ceramic coating can be measured as follows Three parameters are calculated: a) The density ρs of the uncoated sample (substrate); b) The density of the coated sample ρcomp; c) The dry weight ratio k of the substrate and the coating sample: The values of ρcomp and ρs are measured by Archimedes method according to GB/T 25995: ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 39688-2020_English be delivered?

Answer: Upon your order, we will start to translate GB/T 39688-2020_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 39688-2020_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 39688-2020_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.