Anais Do XXIV Simpósio Internacional De Engenharia Automotiva 2016
DOI: 10.5151/engpro-simea2016-pap91
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Mecanismos de desgaste derivados de aditivos cerâmicos em lubrificantes fuel economy

Abstract: RESUMOOs fatores chaves que influenciam na evolução dos óleos de motores e tecnologias de aditivos são a economia de combustível, conservação ambiental, extensão dos intervalos de troca e a durabilidade dos catalizadores. O aumento da relação carga-lubrificante nos veículos automotores tem causado efeitos adversos em relação ao atrito e desgaste dos componentes e a regulamentação dos níveis de emissões. Neste artigo foram estudados os efeitos de pequenas adições de partículas coloidais de ZnO e Al 2 O 3 separa… Show more

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Cited by 1 publication
(2 citation statements)
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“…This result can be attributed to the regime change (severe to mild wear). At high rotation speed, the zinc oxide (ZnO) film of galvanized steel, formed by tribochemical reactions on the contact surface, is broken, allowing the material removal from the contact surface 61 . This behavior is associated with the slip speed, a determining parameter for the transition from severe to light wear 62 .…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…This result can be attributed to the regime change (severe to mild wear). At high rotation speed, the zinc oxide (ZnO) film of galvanized steel, formed by tribochemical reactions on the contact surface, is broken, allowing the material removal from the contact surface 61 . This behavior is associated with the slip speed, a determining parameter for the transition from severe to light wear 62 .…”
Section: Resultsmentioning
confidence: 99%
“…At high rotation speed, the zinc oxide (ZnO) film of galvanized steel, formed by tribochemical reactions on the contact surface, is broken, allowing the material removal from the contact surface. 61 This behavior is associated with the slip speed, a determining parameter for the transition from severe to light wear. 62 The wear regime and consequent mass removal are related to the sliding speed and other agents such as the a lubricant, material properties, geometry, surface finish, and interfacial elements.…”
Section: Mass Removal and Wear Ratementioning
confidence: 99%