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Efeito do tratamento da microgeometria de brocas helicoidais de metal-duro sobre a integridade superficial dos furos
(2014-07-10)
This work studied the effect of the meso and microgeometry of drills treatment on the surface integrity. The drilling process presents characteristics that render it a unique process under the thermal and mechanical ...
Estudo da influência do lubrificante sólido MoS2 nas propriedades de revestimentos protetores de TiN
(2014-06-03)
In this study we investigated the protective coating of titanium nitride using incorporation of molybdenum disulfide as a solid lubricant, seeking application in parts and cutting tools in the metal working industry. This ...
Efeito do hidrogênio e mecanismos na pós-oxidação por plasma pulsado de ligas ferrosas nitretadas
(2014-06-03)
This work shows the hydrogen effect and the influence of processing temperature and time in the post-oxidation treatment by pulsed plasma on nitrided AISI 1045 ferrous alloy. The crystalline structure was analyzed by X-ray ...