Study on the Performance of Al-Zn-In-Sn-Mg Quinary Aluminum-Based Sacrificial Anode Materials in Oilfield Produced Water

SUN Liang, HAN Pengyue, CAO Yanyan, LIU Jia, JIA Jin, HUANG Yidan

doi:10.16577/j.issn.1001-1560.2025.0015

2025 , Vol. 58 >Issue 1: 125 - 133

DOI: https://doi.org/10.16577/j.issn.1001-1560.2025.0015

Study on the Performance of Al-Zn-In-Sn-Mg Quinary Aluminum-Based Sacrificial Anode Materials in Oilfield Produced Water

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(1.College of Materials Science and Engineering， Xi’an Shiyou University， Xi’an 710065， China；2.Changqing Oilfield Company， First Oil Production Plant， Yanan 716009， China)

SUN Liang (1986－)， Ph.D.， Associate Professor， Research Focus: First Principles Study of Aluminum Alloy，Tel.: 13572025824， E-mail: lsun＠xsyu.edu.cn

Received date: 2024-03-07

Revised date: 2024-07-31

Accepted date: 2024-08-05

Online published: 2025-02-28

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Abstract

In order to study the performance of Al-Zn-In-Sn-Mg quinary aluminum-based sacrificial anode materials in oilfield produced water， four sets of Al-Zn-In-Sn-Mg quinary aluminum-based sacrificial anode materials with different alloy compositions were melted.The open-circuit potential， current efficiency， corrosion uniformity and adhesion of corrosion products of the four sacrificial anode materials were tested in the produced water environment.The microstructure， second-phase morphology and distribution of alloy elements were observed using metallographic microscopy， scanning electron microscopy (SEM) and energy - dispersive spectroscopy (EDS).Through potentiodynamic polarization curves， electrochemical impedance spectroscopy (EIS) and accelerated corrosion tests， the anode material with best performance was selected from the four sets of anode samples.Based on the electrochemical test results， the activation mechanism of the alloy materials in produced water was analyzed.

Key words： aluminum-based sacrificial anode; alloy content; microstructure; activation mechanism; oilfield produced water

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SUN Liang, HAN Pengyue, CAO Yanyan, LIU Jia, JIA Jin, HUANG Yidan . Study on the Performance of Al-Zn-In-Sn-Mg Quinary Aluminum-Based Sacrificial Anode Materials in Oilfield Produced Water[J]. Materials Protection, 2025 , 58(1) : 125 -133 . DOI: 10.16577/j.issn.1001-1560.2025.0015

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