Estudo do efeito da rugosidade superficial sobre o coeficiente de atrito no ensaio de compressão do anel | Zendy

Paulo Ricardo Böesch Júnior | Zendy; Daiana Mello Margutti | Zendy; Vinicius Abílio Martins | Zendy; Alex Fabiano Bueno | Zendy; Lírio Schaeffer | Zendy

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Estudo do efeito da rugosidade superficial sobre o coeficiente de atrito no ensaio de compressão do anel

Author(s) -

Paulo Ricardo Böesch Júnior,

Daiana Mello Margutti,

Vinicius Abílio Martins,

Alex Fabiano Bueno,

Lírio Schaeffer

Publication year - 2012

Publication title -

estudos tecnológicos/estudos tecnológicos em engenharia

Language(s) - English

Resource type - Journals

eISSN - 1808-7310

pISSN - 0101-5303

DOI - 10.4013/ete.2012.81.01

Subject(s) - materials science , compression (physics) , surface finish , tribology , compression test , surface roughness , friction coefficient , coefficient of friction , composite material , die (integrated circuit) , calibration , mathematics , statistics , nanotechnology

The evaluation of the tribological conditions, among which the friction by means of simple models are questionable because the influence of superficial roughness and strength of materials, among other factors, is not considered. This paper presents a detailed analysis on the influence of surface roughness on friction at the specimen/die interface. The studies are based on experimental data obtained by the ring compression test, which they were compared with results of simulations and the calibration curves of friction modeled in finite element software. A series of ring compression tests was performed to obtain the friction coefficient for various ranges of surface roughness of the specimen. Key words: ring compression test, surface roughness, friction coefficient, numerical simulation.

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