GB/T 39686-2020 English PDFUS$149.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 39686-2020: Test method for determining elastic modulus and strength of thick ceramic coatings Status: Valid
Basic dataStandard ID: GB/T 39686-2020 (GB/T39686-2020)Description (Translated English): Test method for determining elastic modulus and strength of thick ceramic coatings Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: Q32 Classification of International Standard: 81.060.30 Word Count Estimation: 8,892 Date of Issue: 2020-12-14 Date of Implementation: 2021-07-01 Quoted Standard: GB/T 16491; GB/T 21389 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 terms and definitions, principles, equipment, samples, tests, calculations, and test reports of the test method for testing the elastic modulus and strength of ceramic thick coatings (>30um) by the three-point bending method at room temperature. This standard applies to the determination of the elastic modulus and strength of ceramic thick coatings on metal or ceramic substrates. Other hard and brittle thick coatings (elastic modulus greater than 60 GPa) can be used as reference. GB/T 39686-2020: Test method for determining elastic modulus and strength of thick 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. (Test method for elastic modulus and strength of ceramic thick coating) ICS 81:060:30 Q32 National Standards of People's Republic of China Test method for elastic modulus and strength of ceramic thick coating ceramiccoatings 2020-12-14 release 2021-07-01 implementation State Administration for Market Regulation Issued by the National Standardization Management Committee ForewordThis 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: China Building Materials Inspection and Certification Group Co:, Ltd:, Shenzhen 863 New Material Technology Co:, Ltd:, Foshan Quality Metrology Supervision and Testing Center, Zhengzhou Dezhong Corundum Material Co:, Ltd:, Shanghai Pu Gong Testing Technology Co:, Ltd:, China Branch Shanghai Institute of Ceramics, Guangzhou Jintai Technology Co:, Ltd:, Beijing Tianshan New Material Technology Co:, Ltd:, Shandong Industrial Ceramics Research Institute Research Design Institute Co:, Ltd: The main drafters of this standard: Bao Yiwang, Wan Detian, Tian Yuan, Chen Shou, Wang Xin, Liu Shu, Lu Hongwei, Mi Yuxiao, Zeng Yi, Su Dongyi, Chen Yaju, Liu Xiaogen, Ma Delong, Qiu Yan, Wang Yanping, Pan Ruina, Sun Yukang, Chen Changzhu: Test method for elastic modulus and strength of ceramic thick coating1 ScopeThis standard specifies the test method for testing the elastic modulus and strength of ceramic thick coatings ( >30μm) by the three-point bending method at room temperature: Language and definitions, principles, equipment, samples, tests, calculations and test reports: This standard applies to the determination of the elastic modulus and strength of ceramic thick coatings on metal or ceramic substrates, and other hard and brittle thick coatings (elastic modulus): Amount greater than 60GPa) can refer to use:2 Normative referencesThe 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 16491 Electronic Universal Testing Machine GB/T 21389 Vernier, belt meter and digital caliper3 Terms and definitionsThe following terms and definitions apply to this document: 3:1 Fracturestrengthofcoating The average tensile stress of a beam sample containing a single-sided coating when the coating fails under bending load: 3:2 Modulus ratio modulusratio The ratio of the elastic modulus of the coating to the elastic modulus of the substrate: 3:3 Thickness ratio The ratio of coating thickness to substrate thickness: 3:4 Deflection ratio deflectionratio In a three-point bending test with a given load and span, the deflection ratio of the same sample before and after the coating is prepared:4 PrincipleThe three-point bending test method was used to measure the same sample under the same conditions before preparing the coating (substrate sample) and after preparing the coating (repeated The deflection of the combined sample), the ratio of the two deflection reflects the difference in elastic modulus of the sample: The elastic modulus of the coating can be determined by the deflection ratio and the sample The size is calculated: After obtaining the elastic modulus of the coating, load the coated sample until the coating breaks to obtain its critical load: The critical load when the layer fractures and the sample size are calculated to obtain the coating fracture strength: ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 39686-2020_English be delivered?Answer: Upon your order, we will start to translate GB/T 39686-2020_English as soon as possible, and keep you informed of the progress. 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