Search Results - "Poletto, J.C."

Influence of copper on automotive brake performance by Barros, L.Y., Poletto, J.C., Neis, P.D., Ferreira, N.F., Pereira, C.H.S.

“…Previous studies have shown that the copper originated from the wear of automotive brake friction materials (BFM) is one of the main sources of the deposit of…”
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Tribological assessment of rice husk ash in eco-friendly brake friction materials by Gehlen, G.S., Nogueira, A.P.G., Carlevaris, D., Barros, L.Y., Poletto, J.C., Lasch, G., Straffelini, G., Ferreira, N.F., Neis, P.D.

“…The tribological behavior of new green friction materials with rice husk (RH) and rice husk ash (RHA) is discussed in the current paper. Two formulations…”
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Tribological performance of eco-friendly friction materials with rice husk by Gehlen, G.S., Neis, P.D., Barros, L.Y., Poletto, J.C., Ferreira, N.F., Amico, S.C.

“…The present paper addresses the tribological behaviour of new eco-friendly brake friction materials with rice husk (RH). Three formulations with different RH…”
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Transition in wear regime during braking applications: An analysis of the debris and surfaces of the brake pad and disc by Barros, L.Y., Poletto, J.C., Gehlen, G.S., Lasch, G., Neis, P.D., Ramalho, A., Ferreira, N.F.

“…This article aims to describe the sequence of events (cause-effect) that lead to the transition in wear regime from moderate to severe for brake friction…”
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Identification of gear wear damage using topography analysis by Poletto, J.C., Fernandes, C.M.C.G., Barros, L.Y., Neis, P.D., Pondicherry, K., Fauconnier, D., Seabra, J.H.O., De Baets, P., Ferreira, N.F.

“…Gear failure modes and their underlying mechanisms are usually identified by visual inspection, which relies on the skills and experience of the human observer…”
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Tribological behavior of polyamide-6 plastics and their potential use in industrial applications by Neis, P.D., Ferreira, N.F., Poletto, J.C., Sukumaran, J., Andó, M., Zhang, Y.

“…The present research article addresses an investigation of tribological properties of 3 commercially available cast polyamide 6 (PA 6): a natural PA 6 polymer,…”
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Comparative tribological investigation of castor oil and its transesterified and aminolyzed derivatives by Lasch, G., Stradolini, P., Gehlen, G.S., Barros, L.Y., Poletto, J.C., Ramalho, A., Fernandes, C.M.C.G., Romio, P.C., Petzhold, C.L., Ferreira, N.F., Neis, P.D.

“…This study compared the tribological performance of castor oil (CO), its transesterified (TCO), and aminolyzed (ACO) forms. A limited number of research…”
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Quantification of brake creep groan in vehicle tests and its relation with stick–slip obtained in laboratory tests by Neis, P.D., Ferreira, N.F., Poletto, J.C., Matozo, L.T., Masotti, D.

“…This paper describes the development of a methodology for assessing and correlating stick–slip and brake creep groan. For doing that, results of tribotests are…”
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Analysis of the error in the estimation of the morphology of contact plateaus existing on the surface of brake pads by Poletto, J.C., Barros, L.Y., Neis, P.D., Ferreira, N.F.

“…The present paper provides a statistical analysis of the error obtained in the measurement of density (Dcp), size (Scp) and area fraction (Acp) of the contact…”
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Pressure-velocity limit evaluation on POM-C + carbon black at different temperatures by Gehlen, G.S., Neis, P.D., Poletto, J.C., Barros, L.Y., Buneder, D., Ferreira, N.F.

“…The present study examined the effect of temperature on Pressure-Velocity Limit (PVL) of a commercial polyacetal (POM-C) with carbon black. The polymer was…”
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Effect of pressure in the transition between moderate and severe wear regimes in brake friction materials by Barros, L.Y., Poletto, J.C., Buneder, D., Neis, P.D., Ferreira, N.F., Pavlak, R.P., Matozo, L.T.

“…The transition in wear regime is a tribological phenomenon observed in many materials, where a sudden change in wear regime (from moderate to severe) occurs…”
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An experimental analysis of the methods for brake squeal quantification by Poletto, J.C., Neis, P.D., Ferreira, N.F., Masotti, D., Matozo, L.T.

“…The present paper analyzed 6 brake noise indexes (or Squeal Indexes) in order to assess the squeal produced by 4 different pad materials, which were subjected…”
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