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This research was funded by Torrescamara y Cia. de Obras, S.A., through the Torrescamara Business Chair at the Universitat Politecnica de Valencia. Additionally, Marina Penalva-Salinas was funded by the Spanish Ministry of Education, Vocational Training and Sports, under a collaboration scholarship (23CO1/003171).

Analysis of institutional authors

Llopis-Castelló, DavidCorresponding AuthorAlonso-Troyano, CarlosAuthorGarcía, AlfredoAuthor

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Article

Induction Heating Optimization for Efficient Self-Healing in Asphalt Concrete

Publicated to:Materials (Basel). 17 (22): 5602- - 2024-11-01 17(22), DOI: 10.3390/ma17225602

Authors: Penalva-Salinas, Marina; Llopis-Castello, David; Alonso-Troyano, Carlos; Garcia, Alfredo

Affiliations

Abstract

In this study, the practical application of self-healing asphalt mixtures incorporating steel wool fibers and induction heating was investigated, expanding upon previous research that primarily assessed the self-healing properties rather than optimizing the heating process. Specifically, the aim was to enhance the induction heating methodology for a semi-dense asphalt concrete mixture (AC 16 Surf 35/50 S). In this research, the induction heating parameters were refined to improve the self-healing capabilities, focusing on the following three key aspects: (i) energy consumption, (ii) heating rate, and (iii) heating homogeneity. The findings reveal that the current intensity, the percentage of ferromagnetic additives, and coil shape are critical for achieving optimal heating conditions. Higher current intensity and additive percentage correlate with improved heating speed and reduced energy consumption. Additionally, variations in coil shape significantly influence the heating uniformity. Although asphalt mixtures with steel slag coarse aggregates exhibit slightly higher specific heat, this aggregate type is preferable for sustainability, as it allows for the recycling of industrial waste. The optimized mixtures can rapidly reach high temperatures, facilitating effective crack repair. This innovation offers a durable, environmentally friendly, and cost-effective solution for road maintenance, thereby enhancing the longevity and performance of asphalt pavements.

Keywords

Asphalt mixtureEnergy efficiencEnergy efficiencyFerromagnetic additiveInduction heatingMicrowavMixtureSelf-healingSteel slagSustainable material

Quality index

Bibliometric impact. Analysis of the contribution and dissemination channel

The work has been published in the journal Materials (Basel) 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, 2024 there are still no calculated indicators, but in 2023, it was in position 90/178, thus managing to position itself as a Q1 (Primer Cuartil), in the category Chemistry, Physical.

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 2025-06-01:

  • The use, from an academic perspective evidenced by the Altmetric agency indicator referring to aggregations made by the personal bibliographic manager Mendeley, gives us a total of: 12.
  • 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: 10 (PlumX).

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

  • The Total Score from Altmetric: 3.55.
  • The number of mentions on the social network X (formerly Twitter): 4 (Altmetric).

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 (Penalva-Salinas, Marina) and Last Author (García García, Alfredo).

the author responsible for correspondence tasks has been Llopis Castelló, David.