GB/T 36591-2018 English PDF

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GB/T 36591-2018: Metallographic detection method for coatings on carbide products
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 36591-2018	199	Add to Cart	3 days	Metallographic detection method for coatings on carbide products	Valid

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Basic data

Standard ID: GB/T 36591-2018 (GB/T36591-2018)
Description (Translated English): Metallographic detection method for coatings on carbide products
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: H24
Classification of International Standard: 77.160
Word Count Estimation: 10,195
Date of Issue: 2018-09-17
Date of Implementation: 2019-06-01
Regulation (derived from): National Standard Announcement No. 11 of 2018
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 36591-2018: Metallographic detection method for coatings on carbide products

---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.
Metallographic detection method for coatings on carbide products ICS 77.160 H24 National Standards of People's Republic of China Coating metallographic method for cemented carbide products Published on.2018-09-17 2019-06-01 implementation State market supervision and administration China National Standardization Administration issued

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard was proposed by the China Nonferrous Metals Industry Association. This standard is under the jurisdiction of the National Nonferrous Metals Standardization Technical Committee (SAC/TC243). This standard is drafted by. Zhuzhou Diamond Cutting Tool Co., Ltd., Xiamen Jinlu Special Alloy Co., Ltd., Shenzhen City Technology Co., Ltd., Zhuzhou Cemented Carbide Group Co., Ltd. The main drafters of this standard. Chen Qiongzhu, Wen Yuegang, Gao Yuehong, Zhou Hongcui, Zou Jianping, Liang Hong, Fan Zhirui, Zhang Yue, Deng Tao. Coating metallographic method for cemented carbide products

1 Scope

This standard specifies the coating metallographic test method for cemented carbide products. This standard applies to the metallographic examination of coatings on cemented carbide products.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 3488.1-2014 Metallographic determination of microstructures - Part 1 . Metallographic photographs and descriptions GB/T 3849.1 Carbide hardness test specimens (A scale) Part 1. Test methods ISO 4499􀆼4.2016 Metallographic determination of cemented carbides - Part 4. Porosity, non-combined carbon defects and decarburization Metallographic determination (Hardmetals-Metalographicdetermination of microstructure-Part 4. Characterisation Ofporosity,carbondefectsandeta-phasecontent)

3 Terms and definitions

The following terms and definitions defined in ISO 4499􀆼4.2016 apply to this document. 3.1 White phase whitephase A continuous or intermittent bond phase that occurs at the interface between the substrate and the coating.

4 Instruments and equipment

4.1 Metallographic microscopes of 1000 times and above, or other instruments with appropriate magnification and ability to observe and measure, require an accuracy of 0.1 μm, It is equipped with a standard micrometer and meets the requirements for metrological verification. 4.2 Equipment for preparing samples. 4.3 Rockwell hardness tester.

5 sample preparation

5.1 Sampling conditions Cut perpendicular to the coated side of the cemented carbide article. 5.2 Grinding and polishing of the sample The sample is inlaid with a metallized inlay material with a high hardness. Hold the sample and use the 120 mesh, 220 mesh, 500 mesh diamond grinding disc to study Grind and polish with a diamond polish. ......

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