Monodisperse Cu nanoparticles@ MoS2 nanosheets as a lubricant additive for improved tribological properties

X Jia, J Huang, Y Li, J Yang, H Song - Applied surface science, 2019 - Elsevier
Abstract Monodisperse Cu nanoparticles@ MoS 2 nanosheets were prepared via a facile in-
situ reduction method. The anchored Cu nanoparticles with average diameters of 8–13 nm …

Facile synthesis of copper/polydopamine functionalized graphene oxide nanocomposites with enhanced tribological performance

H Song, Z Wang, J Yang, X Jia, Z Zhang - Chemical Engineering Journal, 2017 - Elsevier
A simple wet chemical reduction method was developed to prepare in situ growth of Cu
nanoparticles (NPs) decorated on polydopamine (PDA) functionalized graphene oxide (GO) …

A high-performance copper-based brake pad for high-speed railway trains and its surface substance evolution and wear mechanism at high temperature

P Zhang, L Zhang, D Wei, P Wu, J Cao, C Shijia, X Qu - Wear, 2020 - Elsevier
High temperature is one of the most basic challenges faced by copper-based brake pads in
emergency braking of high-speed railway train. Here, a novel copper-based brake pad was …

Improvement of wear resistance in a pearlitic rail steel via quenching and partitioning processing

M Masoumi, EAA Echeverri, AP Tschiptschin… - Scientific reports, 2019 - nature.com
Improvement of wear resistance and mechanical performance of rails used in heavy-haul
railway are essential to reduce railroad maintenance costs. A novel heat treatment based on …

Fade behaviour of copper-based brake pad during cyclic emergency braking at high speed and overload condition

P Zhang, L Zhang, K Fu, P Wu, J Cao, C Shijia, X Qu - Wear, 2019 - Elsevier
In order to simulate the fade behaviour of friction between copper-based brake pads and
brake disc during emergency braking of high-speed railway train, accelerated fade …

Effect of surface modification on the tribological properties of friction blocks in high-speed train brake systems

ZY Fan, ZY Xiang, B Tang, W Chen, HH Qian, JL Mo… - Tribology Letters, 2021 - Springer
Commercial high-speed train friction blocks with a hole in the middle of the surface and
perforated blocks filled with additive materials are introduced in drag brake experiments …

Tribological behavior of copper–graphite powder third body on copper-based friction materials

L Su, F Gao, X Han, R Fu, E Zhang - Tribology Letters, 2015 - Springer
Tribological behavior of copper–graphite powder third body on copper-based friction
materials was investigated by adding different percentage copper–graphite mixed powder …

Impact of copper nanoparticles on tribofilm formation determined by pin-on-disc tests with powder supply: addition of artificial third body consisting of Fe3O4, Cu and …

ACP Rodrigues, W Österle, T Gradt, CRF Azevedo - Tribology International, 2017 - Elsevier
Copper, magnetite and graphite particles were mixed in order to observe their impact on the
coefficient of friction (CoF) during pin-on-disc tests and on the tribofilm formation after …

Morphological and structural features affecting the friction properties of carbon materials for brake pads

MG Faga, E Casamassa, V Iodice, A Sin, G Gautier - Tribology International, 2019 - Elsevier
Six carbon materials, the widespread solid lubricant used in several applications, were
selected for this study. The morphological and structural features were investigated with the …

Colloidal stability mechanism of copper nanomaterials modified by bis (2-ethylhexyl) phosphate dispersed in polyalphaolefin oil as green nanolubricants

MKA Ali, H Xianjun - Journal of Colloid and Interface Science, 2020 - Elsevier
Nanomaterials stabilization in lube oils poses an acute challenge in nanolubricants/
nanofluids formulation. This study aims to improve the dispersion stability of copper (Cu) …