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Analysis of institutional authors

Chacon Fernandez, SandraCorresponding Author

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Influence of post-weld heat treatments on the formation of the sigma phase and the corrosion resistance of S32001 steel

Publicated to:Materials Today Communications. 37 107197- - 2023-12-01 37(), DOI: https://doi.org/10.1016/j.mtcomm.2023.107197

Authors: Chacón-Fernández, S; Martín, AP; García, AP

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Abstract

Due to their good resistance to corrosion, duplex stainless steels are often used in more demanding environments. S32001 duplex stainless steels are of recent development, so there is practically no information on how welding processes affect them or which are the best post-weld heat treatments to maintain their corrosion resistance without alterations. This article analyses several welded coupons made with the GMAW process, which have subsequently undergone three different post-weld heat treatments, to evaluate their influence on corrosion resistance. The study has made it possible to determine the influence of heat treatments on the phase balance of ferrite and austenite and on the appearance of the sigma phase. The heat treatments that favour a more balanced phase and, consequently, an improvement in the mechanical properties, could favour the formation of the sigma phase. Therefore, the corrosion resistance would be impaired. The study has made it possible to determine the range of temperatures for the formation of the sigma phase for this duplex (forming mainly between 450 and 850 °C), which differs from the temperature range for duplex stainless steels with other compositions.

Keywords

duplex stainless steels (dss)gmawpost-weld heat treatment (pwht)sigma phase (o)Duplex stainless steels (dss)GmawPost-weld heat treatment (pwht)Sigma phase (σ)Welding

Quality index

Bibliometric impact. Analysis of the contribution and dissemination channel

The work has been published in the journal Materials Today Communications 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 176/439, thus managing to position itself as a Q2 (Segundo Cuartil), in the category Materials Science, Multidisciplinary. Notably, the journal is positioned en el Cuartil Q2 para la agencia Scopus (SJR) en la categoría Materials Chemistry.

Independientemente del impacto esperado determinado por el canal de difusión, es importante destacar el impacto real observado de la propia aportación.

Según las diferentes agencias de indexación, el número de citas acumuladas por esta publicación hasta la fecha 2025-06-06:

  • WoS: 4
  • Scopus: 4

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 2025-06-06:

  • 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: 4 (PlumX).

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:

  • Assignment of a Handle/URN as an identifier within the deposit in the Institutional Repository: https://oa.upm.es/86808/

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 (Chacón-Fernández S) and Last Author (García AP).

the authors responsible for correspondence tasks have been CHACON FERNANDEZ, SANDRA and Chacón-Fernández S.