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Most Recent

  • Review
  • Open Access

6 October 2025

Bio-based lubricants are rapidly gaining prominence as sustainable alternatives to petroleum-derived counterparts, driven by their inherent biodegradability, low ecotoxicity, and strong alignment with global environmental and regulatory imperatives....

  • Article
  • Open Access

2 October 2025

Shaft deflection degrades roller alignment and intensifies stress concentration/edge effects at roller-ends and raceway edges, ultimately compromising service performance of tapered roller bearings (TRBs). Therefore, a dynamic model was developed for...

  • Article
  • Open Access

Real-World Fuel Consumption of a Passenger Car with Oil Filters of Different Characteristics at High Altitude

  • Edgar Vicente Rojas-Reinoso,
  • Cristian Malla-Toapanta,
  • Paúl Plaza-Roldán,
  • Carmen Mata,
  • Javier Barba and
  • Luis Tipanluisa

1 October 2025

This study evaluates media-level filtration behaviour and short-term fuel consumption outcomes for five spin-on lubricating oil filters operated under real driving conditions at high altitude. To improve interpretability, filters are reported using p...

  • Article
  • Open Access

Machine Learning-Based Dynamic Modeling of Ball Joint Friction for Real-Time Applications

  • Kai Pfitzer,
  • Lucas Rath,
  • Sebastian Kolmeder,
  • Burkhard Corves and
  • Günther Prokop

1 October 2025

Ball joints are components of the vehicle axle, and their friction characteristics must be considered when evaluating vibration behavior and ride comfort in driving simulator-based simulations. To model the three-dimensional friction behavior of ball...

  • Article
  • Open Access

Fabrication and Characterization of SnSb11Cu6 Babbitt-Infiltrated Open-Cell AlSn6Cu-SiC Matrix Composites

  • Mihail Kolev,
  • Rumiana Lazarova,
  • Veselin Petkov,
  • Rositza Dimitrova,
  • Tatiana Simeonova,
  • Rumen Krastev,
  • Georgi Stoilov,
  • Krasimir Kolev and
  • Ilian Atanasov

1 October 2025

This study investigates the fabrication and performance of a novel composite material by infiltrating SnSb11Cu6 babbitt alloy into an open-cell AlSn6Cu-SiC matrix. The composites, produced via a multi-stage liquid-state processing route, were compreh...

  • Article
  • Open Access

Research on Surface Wear Characteristics and Adsorption Mechanism of Biodiesel Engine

  • Lilin Li,
  • Yazhou Mao,
  • Dan Chen,
  • Jingjing Chang,
  • Xianfeng Qin,
  • Xiang Qu,
  • Zhenghan Wei and
  • Runyi Ma

30 September 2025

As a renewable fuel for diesel engines, biodiesel plays a significant role in improving the lubricating performance of low-sulfur diesel. The decline in lubricity of low-sulfur diesel can lead to increased friction and exacerbated wear on the surface...

  • Article
  • Open Access

Durable Low-Friction Graphite Coatings Enabled by a Polydopamine Adhesive Underlayer

  • Adedoyin Abe,
  • Fernando Maia de Oliveira,
  • Deborah Okyere,
  • Mourad Benamara,
  • Jingyi Chen,
  • Yuriy I. Mazur and
  • Min Zou

30 September 2025

This study investigates the tribological performance and wear mechanisms of graphite and polydopamine/graphite (PDA/graphite) coatings on stainless steel under dry sliding conditions. While graphite is widely used as a solid lubricant, its poor adhes...

  • Article
  • Open Access

Tribological Evaluation of Biomimetic Shark Skin with Poly-DL-Lactic Acid (PDLLA) Nanosheets with Human Fingerprint Sliding Behavior

  • Shunsuke Nakano,
  • Mohd Danial Ibrahim,
  • Dayang Salyani Abang Mahmod,
  • Masayuki Ochiai and
  • Satoru Iwamori

29 September 2025

This study evaluates the tribological properties of poly-DL-lactic acid (PDLLA) nanosheets attached to shark-skin surfaces with varying textures. The main goal was to assess friction reduction in samples with different surface textures and investigat...

  • Article
  • Open Access

The Effect of In Situ Boron Reinforcement on the Microstructure and Tribological Performances of a Biocompatible Ti-30Zr-10Ta Alloy Fabricated by Powder Metallurgy

  • Jorge Chávez,
  • Yadira Cruz-Gómez,
  • Lorena López-Arámburo,
  • Armando M. García-Carrillo,
  • Omar Jiménez,
  • Luis Olmos,
  • David Bravo-Barcenas and
  • Martín Flores

27 September 2025

This study investigates the impact of in situ boron reinforcement on a biocompatible Ti-30Zr-10Ta alloy produced by powder metallurgy for biomedical applications. This research focused on understanding the influence of boron content (0 to 5 wt.%) on...