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GB/T 43076-2023 English PDF

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GB/T 43076-2023: CVD diamond tools - Categorization
Status: Valid

Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	PDF
GB/T 43076-2023	English	349	Add to Cart	4 days [Need to translate]	CVD diamond tools - Categorization	Valid	GB/T 43076-2023

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Basic data

Standard ID	GB/T 43076-2023 (GB/T43076-2023)
Description (Translated English)	CVD diamond tools - Categorization
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	J41
Classification of International Standard	25.100.99
Word Count Estimation	18,187
Date of Issue	2023-09-07
Date of Implementation	2024-04-01
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration

GB/T 43076-2023: CVD diamond tools - Categorization

---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.
ICS 25.100.99 CCSJ41 National Standards of People's Republic of China CVD diamond tool classification (ISO 22180.2019,MOD) Published on 2023-09-07 2024-04-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration Committee

Foreword

This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents" Drafting. This document is modified to adopt ISO 22180.2019 "Classification of CVD Diamond Tools". The technical differences between this document and ISO 22180.2019 and their reasons are as follows. ---Changed the presentation of the scope of this document (see Chapter 1) to a presentation consistent with national standards. The following editorial changes have been made to this document. --- Added "or prepared by chemical vapor deposition" in the definition of single crystal diamond (see 3.4); --- Added "or prepared by chemical vapor deposition" in the MCD manufacturing process description (see C.1 in Appendix C). Please note that some content in this document may be subject to patents. The publisher of this document assumes no responsibility for identifying patents. This document is proposed by China Machinery Industry Federation. This document is under the jurisdiction of the National Tool Standardization Technical Committee (SAC/TC91). This document was drafted by. Shanghai Jiao Tong University, Chengdu Tool Research Institute Co., Ltd., Beijing World Diamond Tools Co., Ltd., Jiangxi Jiehao Carbide Tools Co., Ltd. The main drafters of this document. Chen Ming, An Qinglong, Gao Jian, Shang Hongmo, Ming Weiwei, Shen Shichang, Xu Gang, Chen Jifeng, Ye Kanglin. CVD diamond tool classification

1 Scope

This document specifies the classification of CVD diamond tools. This document applies to CVD diamond tools.

2 Normative reference documents

This document has no normative references.

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 active brazingactivebrazing The process of joining diamond to a metal matrix using brazing alloy. Note. Brazing alloys contain so-called active elements (such as titanium) that form unsaturated carbides with the carbon atoms of diamond and in this way bind the diamond to The stone is combined with the brazing material. This brazing is performed in a vacuum or protective gas environment. 3.2 CVD In most cases, diamond is made at low pressure and at deposition temperatures of 600°C to 1000°C. Note. Polycrystalline, binder-free diamond coatings, and even single crystals can be produced. 3.3 high-pressurehigh-temperaturesynthesis A method of manufacturing diamond at a pressure of about 6GPa and a temperature of 1400℃~1800℃. Note. Single crystals can be prepared by HPHT synthesis. 3.4 MCD Cutting materials made of natural or synthetic diamond [synthesized by high temperature and high pressure (3.3) or chemical vapor deposition (3.2) prepared]. 3.5 PCD Diamond cutting materials manufactured through a two-stage high-temperature and high-pressure sintering process [HPHT synthesis (3.3)].

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