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Analysis of institutional authors

Radhakrishnan, JagdheeshAuthor

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July 25, 2020
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Laser beam shaping for microstructural control during laser surface melting

Publicated to: Journal Of Laser Applications. 19 (1): 1-7 - 2007-02-01 19(1), DOI: 10.2351/1.2402522

Authors:

Khare J; Kaul R; Ganesh P; Kumar H; Jagdheesh R; Nath A
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Affiliations

Raja Ramanna Centre for Advanced Technology - Author

Abstract

Laser surface melting of austenitic stainless steel at high speed carries the risk of centerline solidification cracking due to the formation of tear-drop shaped melt pool. Laser beam shaping can be effectively employed to engineer surface microstructure of laser melted region by controlling the shape of associated melt pool. Results of the present study, involving numerical thermal simulation and experiments, demonstrated that by using a square laser beam, in place of a circular one, the profile of the solidification front associated with the melt pool can be made flatter and more steeply oriented with respect to the direction of laser scanning. Development of this kind of melt pool during laser surface melting results in the growth of smoothly curved columnar grains with a broader region of axial grains at the centerline of the laser surface melted track. Surface microstructure generated by surface melting treatment with a square laser beam should enhance resistance against centerline solidification cracking (over that obtained with a circular laser beam) even at higher processing speed. © 2007 Laser Institute of America.
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Keywords

Austenitic stainless steelCenterline solidification crackingFinite element modelingLaser beam shapingLaser surface meltingMelt pool shapeSurface microstructure

Quality index

Bibliometric impact. Analysis of the contribution and dissemination channel

The work has been published in the journal Journal Of Laser Applications due to its progression and the good impact it has achieved in recent years, according to the agency Scopus (SJR), it has become a reference in its field. In the year of publication of the work, 2007, it was in position , thus managing to position itself as a Q2 (Segundo Cuartil), in the category Instrumentation. Notably, the journal is positioned en el Cuartil Q3 for the agency WoS (JCR) in the category Optics.

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 2025-12-21:

  • WoS: 2
  • Scopus: 11
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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 2025-12-21:

  • 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: 13.
  • 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: 13 (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: 1.
  • The number of mentions on the social network X (formerly Twitter): 1 (Altmetric).
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Leadership analysis of institutional authors

This work has been carried out with international collaboration, specifically with researchers from: India.

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