Tribology and Materials | Volume 4 | Issue 3 | 2025 | 116-133
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https://doi.org/10.46793/tribomat.2025.007
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Greenwood-Tripp model: A bibliometric overview
Maja Ilić
1,2,
Konstantinos Gkagkas3,
Carsten Gachot2,
András Vernes1,4
1 AC2T research GmbH, Wiener Neustadt, Austria
2 Institute of Engineering Design and Product Development, Vienna University of Technology, Vienna, Austria
3 R & D Material Division, Toyota Motor Europe NV/SA, Zaventem, Belgium
4 Institute of Applied Physics, Vienna University of Technology, Vienna, Austria
Abstract: The Greenwood-Tripp (GT) model is considered here for
setting up a database with all the papers available in Scopus that used
this GT model from 1972 up to 2025. After showing how the GT model can
be applied for determining the friction force in mixed and boundary
lubrication regimes, this database is then analysed by using
bibliometric tools implemented in Bibliometrix, ScientoPy, pyBibX and
VOSviewer for identifying the trends within the application of the GT
model. The resulting bibliometric overview is shown to be suitable for
more in-depth research to exploit the GT model further. In this manner,
for example, it is demonstrated that the formula aiming to calculate the
friction force in mixed and boundary lubrication regimes, respectively,
persists to hold universally. However, its main application field
nowadays is centred on internal combustion engines, i.e. the
ring-cylinder liner tribological system.
Keywords: friction, bibliometric analysis, Scopus, VOSviewer, pyBibX, ScientoPy, Bibliometrix.
Received: 14-02-2025, Revised: 03-04-2025, Accepted: 17-04-2025
This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International (CC BY-NC 4.0) license, which allows users to distribute, remix, adapt,
and build upon the material in any medium or format for non-commercial purposes only, and only so long as attribution is given to the creator.
2 Institute of Engineering Design and Product Development, Vienna University of Technology, Vienna, Austria
3 R & D Material Division, Toyota Motor Europe NV/SA, Zaventem, Belgium
4 Institute of Applied Physics, Vienna University of Technology, Vienna, Austria
Abstract: The Greenwood-Tripp (GT) model is considered here for setting up a database with all the papers available in Scopus that used this GT model from 1972 up to 2025. After showing how the GT model can be applied for determining the friction force in mixed and boundary lubrication regimes, this database is then analysed by using bibliometric tools implemented in Bibliometrix, ScientoPy, pyBibX and VOSviewer for identifying the trends within the application of the GT model. The resulting bibliometric overview is shown to be suitable for more in-depth research to exploit the GT model further. In this manner, for example, it is demonstrated that the formula aiming to calculate the friction force in mixed and boundary lubrication regimes, respectively, persists to hold universally. However, its main application field nowadays is centred on internal combustion engines, i.e. the ring-cylinder liner tribological system.
Keywords: friction, bibliometric analysis, Scopus, VOSviewer, pyBibX, ScientoPy, Bibliometrix.
Received: 14-02-2025, Revised: 03-04-2025, Accepted: 17-04-2025
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This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International (CC BY-NC 4.0) license, which allows users to distribute, remix, adapt, and build upon the material in any medium or format for non-commercial purposes only, and only so long as attribution is given to the creator.