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Grant support

This research was funded by the Spanish Ministry of Science and Innovation (MICINN) for financing the projects RTI2018-095856-B-C21; and by the Spanish Ministry of Economic Affairs and Digital Transformation (MINECO) through the projects PID2020-114192RB-C41, PID2019-104717RB-I00 and PID2021-122980OB-C51. A.S. acknowledges the financial support from MCIN for a "Ramon y Cajal" contract RYC2021-031236-I.

Analysis of institutional authors

Jaldo Serrano, EvaAuthorGarcia-Galvan, FedericoAuthor

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June 24, 2024
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Evaluation of Low-Toxic Hybrid Sol-Gel Coatings with Organic pH-Sensitive Inhibitors for Corrosion Protection of AA2024 Aluminium Alloy

Publicated to:Gels. 9 (4): 294- - 2023-04-01 9(4), DOI: 10.3390/gels9040294

Authors: Jaldo Serrano, Eva; Lopez-Sanchez, Jesus; Garcia-Galvan, Federico; Serrano, Aida; Rodriguez de la Fuente, Oscar; Barranco, Violeta; Carlos Galvan, Juan; Carmona, Noemi

Affiliations

CSIC, Ctr Nacl Invest Met CENIM, Avda Gregorio Amo 8, Madrid 28040, Spain - Author
CSIC, Inst Ceram & Vidrio ICV, C Kelsen 5,Campus Cantoblanco, Madrid 28049, Spain - Author
Inst Magnetismo Aplicado IMA Salvador Velayos, A6 Km 22 5, Rozas Madrid 28230, Spain - Author
Univ Complutense Madrid, Fac Ciencias Fis, Dept Fis Mat, Plaza Ciencias SN, Madrid 28040, Spain - Author
Univ Europea Madrid, Sch Architecture Engn & Design, Dept Engn, Villaviciosa De Odon 28670, Spain - Author
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Abstract

Today's environmental needs require the reduction of the weight of vehicles, thus reducing fuel consumption and associated emissions. For this reason, the use of light alloys is being studied, which, due to their reactivity, must be protected before use. In this work, the effectiveness of a hybrid sol-gel coating doped with various organic environmentally friendly corrosion inhibitors applied to an AA2024 lightweight aluminium alloy is evaluated. Some of the inhibitors tested are pH indicators, acting as both corrosion inhibitors and optical sensors for the surface of the alloy. Samples are subjected to a corrosion test in a simulated saline environment and characterised before and after the test. The experimental results regarding their best inhibitor performance for their potential application in the transport industry are evaluated.

Keywords

Aa2024 aluminium alloAa2024 aluminium alloyChlorophenol redCorrosion inhibitorsGraphene oxideProtective coatingSensorSol-gelStee

Quality index

Bibliometric impact. Analysis of the contribution and dissemination channel

The work has been published in the journal Gels due to its progression and the good impact it has achieved in recent years, according to the agency WoS (JCR), it has become a reference in its field. In the year of publication of the work, 2023, it was in position 14/95, thus managing to position itself as a Q1 (Primer Cuartil), in the category Polymer Science.

From a relative perspective, and based on the normalized impact indicator calculated from the Field Citation Ratio (FCR) of the Dimensions source, it yields a value of: 2.34, which indicates that, compared to works in the same discipline and in the same year of publication, it ranks as a work cited above average. (source consulted: Dimensions Jul 2025)

Specifically, and according to different indexing agencies, this work has accumulated citations as of 2025-07-17, the following number of citations:

  • WoS: 2
  • Scopus: 3
  • Europe PMC: 1

Impact and social visibility

From the perspective of influence or social adoption, and based on metrics associated with mentions and interactions provided by agencies specializing in calculating the so-called "Alternative or Social Metrics," we can highlight as of 2025-07-17:

  • The use of this contribution in bookmarks, code forks, additions to favorite lists for recurrent reading, as well as general views, indicates that someone is using the publication as a basis for their current work. This may be a notable indicator of future more formal and academic citations. This claim is supported by the result of the "Capture" indicator, which yields a total of: 5 (PlumX).

With a more dissemination-oriented intent and targeting more general audiences, we can observe other more global scores such as:

    It is essential to present evidence supporting full alignment with institutional principles and guidelines on Open Science and the Conservation and Dissemination of Intellectual Heritage. A clear example of this is:

    • The work has been submitted to a journal whose editorial policy allows open Open Access publication.

    Leadership analysis of institutional authors

    There is a significant leadership presence as some of the institution’s authors appear as the first or last signer, detailed as follows: First Author (JALDO SERRANO, EVA) .