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Technical Paper

Improvements on Ring Pack Performance by Using PVD Coating

2013-10-07
2013-36-0374
Technologies focusing fuel consumption and CO2 reduction are being discussed for all car makers worldwide. For the South America it is not different and government initiatives like Inovar-Auto are being released in order to enable these solutions for the Brazilian engines. After the introduction of the flex fuel technology, Brazilian passenger car engines are starting to be exposed to other technical challenges, as the increasing of the specific power output (downsizing trend) in order to attend the legislation requirements. The consequence of that is the miniaturization of the components, followed by a more aggressive thermal-mechanical working condition, as well as the reduction of the mechanical losses. Within this environment, it is expected from the piston ring pack to cope with its functionality, to have a stable performance during its service life and extended durability.
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