Using machine learning radial basis function (RBF) method for predicting lubricated friction on textured and porous surfaces

G Boidi, MR Da Silva, FJ Profito… - Surface Topography …, 2020 - iopscience.iop.org
The coefficient of friction (CoF) obtained from tribological tests conducted on textured and
porous surfaces was analysed using the machine learning Radial Basis Function (RBF) …

[HTML][HTML] Lifetime assessment of porous journal bearings using joint time-frequency analysis of real-time sensor data

J Prost, G Boidi, M Varga, G Vorlaufer, SJ Eder - Tribology International, 2022 - Elsevier
In this work, we employed a custom-built tribometer that allows simultaneous testing of five
porous journal bearing systems to perform lifetime tests on combinations of bearing …

Correlating surface topography of relaxed layer of ZA/ZrB2 in situ composites to wear and friction

V Kumar, G Gautam, A Mohan… - Surface Topography …, 2023 - iopscience.iop.org
In the present study, the correlation between the surface topography of relaxed layer and
wear and friction has been investigated. For this purpose, the lubricating tribology and …

The use of Powder Metallurgy for promoting friction reduction under sliding-rolling lubricated conditions

G Boidi, FJ Profito, A Kadiric, IF Machado, D Dini - Tribology International, 2021 - Elsevier
This work exploits the use of different sintering manufacturing techniques for obtaining
superior performances in lubricated point contacts. Disc and ball specimens were …

Oil-retention and oil-bearing tribological properties of nanoporous copper prepared using a chemical dealloying method

F Chen, J Zhao, H Wang, H Li, G Yin, M Cai, Y Wang… - Metals, 2023 - mdpi.com
The nanoporous structure of oil-impregnated porous copper is closely related to its
tribological and oil-retention properties, which are essential for its anti-friction and anti-wear …

Wear and friction performance under lubricated reciprocating tests of steel powder mixtures sintered by Spark Plasma Sintering

G Boidi, NK Fukumasu, IF Machado - Tribology International, 2018 - Elsevier
Literature indicates that porosity in sintered materials decreases mechanical properties and
fatigue resistance. However, given porosity shape and distribution on a surface, it is possible …

Tribological performance of random sinter pores vs. deterministic laser surface textures: An experimental and machine learning approach

G Boidi, PG Grützmacher, M Varga… - Tribology of Machine …, 2021 - books.google.com
This work critically scrutinizes and compares the tribological performance of randomly
distributed surface pores in sintered materials and precisely tailored laser textures produced …

Influence of the synthesis technique on tribological behavior of a Ti-6Al-4V alloy

C Martinez, F Briones, N Araya, C Aguilar, I Machado… - Materials Letters, 2020 - Elsevier
In this work, the microstructure, mechanical properties and wear behaviour of Ti-6Al-4V alloy
were investigated. Ti-6Al-4V samples were obtained from different routes; i) a commercially …

Porosity effect of sintered steel on the frictional performance of conformal and nonconformal lubricated contacts

G Boidi, IS Tertuliano, LGBS Lima, FJ Profito… - Tribology …, 2019 - Taylor & Francis
The effect of surface topography on lubricated systems plays a crucial role in terms of friction
performance, because surface micro-irregularities can improve the load-carrying capacity of …

Tribological evaluation of sintered and conventional gear materials

G Boidi, IS Tertuliano, MF Cano, GAA Machado… - 2017 - sae.org
During gear shifting, the contact between teeth composes a tribological system of
considerable importance regarding energy dissipation in road vehicles. Improvement of …