2004
DOI: 10.1590/s0370-44672004000100003
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Texturização por Laser ND: YAG e comportamento tribológico de um recobrimento de cromo

Abstract: Com o intuito de melhorar a condição de lubrificação na superfície de recobrimentos de cromo eletrodepositado em aços-carbono, elaborou-se uma rede regular de furos utilizando um Laser Nd:YAG pulsado. Essa rede de furos foi projetada de modo que cada furo individual funcionasse como reservatório adicional de óleo em condições limítrofes de lubrificação. Técnicas de análise metalográfica e dimensional foram utilizadas para a caracterização das superfícies estudadas. Complementarmente, com o auxílio de uma inter… Show more

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Cited by 5 publications
(2 citation statements)
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“…Surface texturing is the use of geometrical features such as micro-dimples to improve tribological performance. It is associated with the micro-dimple working as oil microreservoirs, providing lubricant in case of mixed or boundary lubrication; micro-traps for wear particles; and the generation of additional hydrodynamic support, also called the microbearing effect (Araujo et al, 2004;Lu and Khonsari, 2007;Profito, 2010;Qiu and Khonsari, 2011;Reis, 2017). According to the last assumption, the micro-irregularities are associated with additional pressure.…”
Section: Introductionmentioning
confidence: 99%
“…Surface texturing is the use of geometrical features such as micro-dimples to improve tribological performance. It is associated with the micro-dimple working as oil microreservoirs, providing lubricant in case of mixed or boundary lubrication; micro-traps for wear particles; and the generation of additional hydrodynamic support, also called the microbearing effect (Araujo et al, 2004;Lu and Khonsari, 2007;Profito, 2010;Qiu and Khonsari, 2011;Reis, 2017). According to the last assumption, the micro-irregularities are associated with additional pressure.…”
Section: Introductionmentioning
confidence: 99%
“…FIGURA 7 -Variação da refletividade em função do comprimento de onda em alguns metais (reproduzido de [13]).…”
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