Comparative study on corrosion inhibition of N doped carbon dots for low alloy steel and aluminum alloy in HCl solution

This study prepared N-doped carbon dots (N-CDs) as an inhibitor by employing citric acid and ethylenediamine as precursors via a hydrothermal method. The corrosion inhibition behavior of N-CDs on X65 steel and 7A04 aluminum alloy in HCl solution was systematically studied and compared using electroc...

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Main Authors: Chunmiao Liu, Bin Wang, Xiaofang Peng, Yuxin Qin, Guanhui Gao, Jie Liu
Format: Article
Language:English
Published: Elsevier 2025-07-01
Series:Journal of Materials Research and Technology
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2238785425018095
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author Chunmiao Liu
Bin Wang
Xiaofang Peng
Yuxin Qin
Guanhui Gao
Jie Liu
author_facet Chunmiao Liu
Bin Wang
Xiaofang Peng
Yuxin Qin
Guanhui Gao
Jie Liu
author_sort Chunmiao Liu
collection DOAJ
description This study prepared N-doped carbon dots (N-CDs) as an inhibitor by employing citric acid and ethylenediamine as precursors via a hydrothermal method. The corrosion inhibition behavior of N-CDs on X65 steel and 7A04 aluminum alloy in HCl solution was systematically studied and compared using electrochemical measurements, weight loss test and surface analysis techniques. The results indicate that the synthesized N-CDs function as mixed-type inhibitors primarily inhibiting the anodic reaction, and they exhibit better corrosion inhibition performance on X65 steel compared to 7A04 aluminum alloy. The corrosion inhibition efficiencies of N-CDs increase and then decrease with concentration, and the extreme-value-phenomena of concentration appears at 100 mg/L, which is related to the stability and agglomeration degree of N-CDs in the solution. In addition, this study also compares and analyzes the corrosion inhibition mechanisms of N-CDs for both types of metals in HCl solution.
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issn 2238-7854
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publishDate 2025-07-01
publisher Elsevier
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series Journal of Materials Research and Technology
spelling doaj-art-935ab25ecea94fd2be3f68f458c9eaa42025-08-20T02:46:43ZengElsevierJournal of Materials Research and Technology2238-78542025-07-01375070508510.1016/j.jmrt.2025.07.150Comparative study on corrosion inhibition of N doped carbon dots for low alloy steel and aluminum alloy in HCl solutionChunmiao Liu0Bin Wang1Xiaofang Peng2Yuxin Qin3Guanhui Gao4Jie Liu5School of Chemistry and Materials Science, Ludong University, Yantai, 264025, PR ChinaSchool of Chemistry and Materials Science, Ludong University, Yantai, 264025, PR China; Corresponding author.School of Chemistry and Materials Science, Ludong University, Yantai, 264025, PR ChinaSchool of Chemistry and Materials Science, Ludong University, Yantai, 264025, PR ChinaMaterials Science and NanoEngineering Department, Rice University, Houston, TX, 77005, United StatesCollege of Chemistry and Chemical Engineering, Yantai University, Yantai, 264005, PR China; Corresponding author.This study prepared N-doped carbon dots (N-CDs) as an inhibitor by employing citric acid and ethylenediamine as precursors via a hydrothermal method. The corrosion inhibition behavior of N-CDs on X65 steel and 7A04 aluminum alloy in HCl solution was systematically studied and compared using electrochemical measurements, weight loss test and surface analysis techniques. The results indicate that the synthesized N-CDs function as mixed-type inhibitors primarily inhibiting the anodic reaction, and they exhibit better corrosion inhibition performance on X65 steel compared to 7A04 aluminum alloy. The corrosion inhibition efficiencies of N-CDs increase and then decrease with concentration, and the extreme-value-phenomena of concentration appears at 100 mg/L, which is related to the stability and agglomeration degree of N-CDs in the solution. In addition, this study also compares and analyzes the corrosion inhibition mechanisms of N-CDs for both types of metals in HCl solution.http://www.sciencedirect.com/science/article/pii/S2238785425018095Carbon dots inhibitorX65 steel7A04 aluminum alloyExtreme-value of concentrationCorrosion inhibition mechanism
spellingShingle Chunmiao Liu
Bin Wang
Xiaofang Peng
Yuxin Qin
Guanhui Gao
Jie Liu
Comparative study on corrosion inhibition of N doped carbon dots for low alloy steel and aluminum alloy in HCl solution
Journal of Materials Research and Technology
Carbon dots inhibitor
X65 steel
7A04 aluminum alloy
Extreme-value of concentration
Corrosion inhibition mechanism
title Comparative study on corrosion inhibition of N doped carbon dots for low alloy steel and aluminum alloy in HCl solution
title_full Comparative study on corrosion inhibition of N doped carbon dots for low alloy steel and aluminum alloy in HCl solution
title_fullStr Comparative study on corrosion inhibition of N doped carbon dots for low alloy steel and aluminum alloy in HCl solution
title_full_unstemmed Comparative study on corrosion inhibition of N doped carbon dots for low alloy steel and aluminum alloy in HCl solution
title_short Comparative study on corrosion inhibition of N doped carbon dots for low alloy steel and aluminum alloy in HCl solution
title_sort comparative study on corrosion inhibition of n doped carbon dots for low alloy steel and aluminum alloy in hcl solution
topic Carbon dots inhibitor
X65 steel
7A04 aluminum alloy
Extreme-value of concentration
Corrosion inhibition mechanism
url http://www.sciencedirect.com/science/article/pii/S2238785425018095
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