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Corrosion of metals and alloys - Guidelines for corrosion test by electrochemical noise measurements
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Basic data
| Standard ID | GB/T 43666-2024 (GB/T43666-2024) |
| Description (Translated English) | Corrosion of metals and alloys - Guidelines for corrosion test by electrochemical noise measurements |
| Sector / Industry | National Standard (Recommended) |
| Classification of Chinese Standard | H25 |
| Classification of International Standard | 77.060 |
| Word Count Estimation | 18,119 |
| Date of Issue | 2024-03-15 |
| Date of Implementation | 2024-10-01 |
| Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration |
GB/T 43666-2024: Corrosion of metals and alloys - Guidelines for corrosion test by electrochemical noise measurements
---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 77.060
CCSH25
National Standards of People's Republic of China
Corrosion of Metals and Alloys Electrochemical Noise Measurement of Corrosion
Test Guidelines
(ISO 17093.2015, IDT)
Released on 2024-03-15
2024-10-01 Implementation
State Administration for Market Regulation
The National Standardization Administration issued
Foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents"
Drafting.
This document is equivalent to ISO 17093.2015 "Corrosion testing guide for the measurement of electrochemical noise for corrosion of metals and alloys".
The following minimal editorial changes were made to this document.
---5.1.3 Added Note 1 and Note 2.
Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.
This document was proposed by the China Iron and Steel Association.
This document is under the jurisdiction of the National Technical Committee on Steel Standardization (SAC/TC183).
This document was drafted by. University of Science and Technology Beijing, National Pipeline Network Group United Pipeline Co., Ltd. Western Branch, Metallurgical Industry Information
Standards Research Institute, China Petroleum Engineering Construction Co., Ltd. Beijing Design Branch, Guangdong Corrosion Science and Technology Innovation Institute, Xiamen Special
Equipment Inspection and Testing Institute, China National Nuclear Power Operation Management Co., Ltd.
The main drafters of this document are. Li Xiaogang, Xu Lining, Wang Chaozhang, Li Qian, Fan Xuehua, Zhang Zhiming, Fu Xibin, Han Guanghui, Du Cuiwei,
Liu Zhiyong, Tian Ye, Hou Jie, Fang Kun, Tan Simin, Feng Ligang, Hu Minglei, Li Zhenjun, Tian Zijian, Wang Jie, Lai Yongquan, Zhang Wei, and Sun Menghan.
Corrosion of Metals and Alloys Electrochemical Noise Measurement of Corrosion
Test Guidelines
1 Scope
This document is intended to assist corrosion testing by means of electrochemical noise measurements.
This document specifies test procedures and analytical methods for valid testing of electrochemical noise of uncoated and organically coated metals.
2 Normative references
The contents of the following documents constitute the essential clauses of this document through normative references in this document.
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to
This document.
and definitions)
Note. GB/T 10123-2022 Corrosion terminology for metals and alloys (ISO 8044.2020, IDT)
ISO 17475 Corrosion of metals and alloys - Electrochemical test methods - Guide for potentiostatic and potentiodynamic polarization measurements
Note. GB/T 24196-2009 Electrochemical test methods for corrosion of metals and alloys - Guide for constant potential and dynamic potential polarization measurements (ISO 17475.2005,
IDT)
3 Terms and definitions
For the purposes of this document, the terms and definitions defined in ISO 8044 and the following apply.
3.1
Electrochemical reactions and other processes (such as bubble initiation) generate low-frequency (≤1 Hz) and low-amplitude currents and
The fluctuation phenomenon of position.
3.2
Fluctuations in the potential of an electrode relative to a reference electrode (usually in the range of μV to mV) or between two similar electrodes.
3.3
The current fluctuations between a single electrode or two electrodes (usually in the range of nA to μA).
3.4
The resistance is obtained by dividing the standard deviation of the potential noise during the test by the standard deviation of the current noise.
3.5
PSDE
The power obtained as a function of frequency expressed as potential noise.
...
