Industrial Lubrication and Tribology: Volume 72 Issue 9

Guest editorial

Henara Costa, Giuseppe Pintaude

Methodology for wear mapping error quantification

Tiago Cousseau, Adriano Gonçalves Passos

The purpose of this paper is to propose a methodology to quantify the error on wear volume evaluation using optical interferometry with image analysis (OI+IA), to establish a…

Sliding energy of textured surfaces via pendular tests

Gabriel Ferri, Leonardo Dias, Ruan de Carvalho, Henara Costa

Surface texturing can improve the tribological performance of contacting sliding surfaces under different contact and lubrication conditions, which has been proved both…

Surface virtual texturing of the journal bearings of a three-cylinder ethanol engine

Gabriel Welfany Rodrigues, Marco Lucio Bittencourt

This paper aims to numerically investigate the surface texturing effects on the main bearings of a three-cylinder ethanol engine in terms of the power loss and friction…

An analytical solution of Reynolds equation for evaluating the characteristics of surface textured bearing

Yazhou Mao, Yang Jianxi, Jinchen Ji, Wenjing Xu, Quanyuan Guo

Currently, there is a lack of fast and highly accurate on analytical solution of Reynolds equation for evaluating the characteristics of surface textured bearing. This paper aims…

Friction coefficient study of nanocomposite Al2O3–NbC obtained by spark plasma sintering-SPS

Susan Meireles C. Dantas, Marcio G. Di Vernieri Cuppari, Vania Trombini Hernandes

This study aims to investigate the friction coefficient of Al2O3–NbC nanocomposite obtained by spark plasma sintering sliding against a steel ball.

Effect of bainitic transformation on the microstructure and wear resistance of pearlitic rail steel

Gustavo Tressia, Luis H.D. Alves, Amilton Sinatora, Helio Goldenstein, Mohammad Masoumi

The purpose of this study is to develop a lower bainite structure consists of a dispersion of fine carbide inside plates of bainitic ferrite from chemical composition unmodified…

Energetic coefficient of friction applied to cylinder liners lab tests

Joao Luiz do Vale, Carlos Henrique da Silva, Giuseppe Pintaude

This paper aims to present a proposal for evaluating the coefficient of friction (COF), under a reciprocating test that considers the energy dissipated by the friction force. In…

Effect of crystal size on the tribological properties of lithium disilicate glass-ceramics sliding against alumina and tungsten carbide spheres

Crislaine da Cruz, Ivan Mathias, Mariza Veiga Senk, Gelson Biscaia de Souza, Francisco Carlos Serbena

Lithium disilicate glass-ceramics (LS2 GC) are widely used as dental prosthetics and dental restorations. Based LS2 GC have hardness and translucency similar to that of natural…

The effect of plasma nitriding on the synergism between wear and corrosion of SAF 2205 duplex stainless steel

Yamid Núñez, Marcio Mafra, Rigoberto E. Morales, Paulo César Borges, Giuseppe Pintaude

This study aims to assess the performance of SAF 2205 duplex stainless steel against pure wear, tribo-corrosion, corrosion and the synergism between wear and corrosion. The effect…

Metallurgical and tribological aspects for squat formation in the aluminothermic weld HAZ edges of rails welded using aluminothermy

Luiz Henrique Dias Alves, Tiago Carvalho Tepedino, Mohammad Masoumi, Gustavo Tressia, Helio Goldenstein

The purpose of this paper is to present the results of a metallurgical, mechanical and tribological characterization of the weld and heat-affected zone (HAZ) of aluminothermic…