Reset
Showing 6 of 6 academic articles

Hybrid coatings for orthopaedic implants formed by physical vapour deposition and microarc oxidation

Roman Gabor, Ladislav Cvrček, Martina Doubková, Václav Nehasil et al. • Materials & Design (2022)

This study is focused on the preparation of new hybrid layers intended for surface modification of Ti-6Al-4V alloys for potential orthopaedic and dental applications. Combination of the technology of physical vapour deposition (PVD) and sub...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.matdes.2022.110811

Investigation of the Friction Performance of G3000 (Variant), GG20, and GG15 (High Carbon) Cast Brake Discs Using the SAE J2522 Procedure

Talha İkbal Çığır, Melih Hakan Samur, Mevlüt Yasin Igdeli • International Journal of Automotive Science and Technology (2025)

This study compares the friction performance of three commonly used cast brake disc materials in the automotive industry: the G3000 variant, GG20, and GG15 (high carbon content). Samples were tested on an inertia dynamometer following the S...

DOAJ Open Access (DOAJ) DOI: 10.30939/ijastech..1811564

Solar heat transport analysis of Falkner Skan Casson ternary hybrid nanoparticles over a permeable wedge

Khan Mohsin, Sheheryar Shah, Amra Al Kenany, Meshal Shutaywi et al. • Discover Nano (2026)

Abstract In the modern era, energy has become a vital concern across all sectors, while efficient energy generation remains a significant challenge for scientists and engineers. To overcome this issue, researchers have developed ternary hyb...

DOAJ Open Access (DOAJ) DOI: 10.1186/s11671-026-04821-1

Bayesian ANN-Based Prediction and Multi-Objective Optimization of Tribological Behavior in Magnesium Alloy AZ91D at Elevated Temperature Using Pareto GA

Beniyel Muthuraj, Sivapragash Murugesan, Rajesh Rajamony, Michael Thomas Rex Francis • Materials Research (2025)

This study uses an artificial neural network (ANN) model to predict the wear rate and friction coefficient of the magnesium alloy AZ91D, based on experimental data from a pin-on-disc tribometer. The model includes three essential process pa...

DOAJ Open Access (DOAJ) DOI: 10.1590/1980-5373-mr-2025-0388

Rarefied Reactive Gas Flows over Simple and Complex Geometries Using an Open-Source DSMC Solver

Rodrigo Cassineli Palharini, João Luiz F. Azevedo, Diego Vera Sepúlveda • Aerospace (2025)

During atmospheric reentry, a significant number of chemical reactions are produced inside the high-temperature shock wave formed upstream of the spacecraft. Chemical reactions can significantly alter the flowfield structure surrounding the...

DOAJ Open Access (DOAJ) DOI: 10.3390/aerospace12080651