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Research Into Surface Improvement for Low Friction Pistons
Technical Paper
2005-01-1647
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
1
A new surface modification heat treatment technology called Wonder Process Craft which is different from plating and coating, was applied to the skirt section, which is the sliding surface of the piston in an internal combustion engine. This was intended to improve fuel economy and mechanical characteristics by reducing sliding resistance. In the application of solid lubrication, this treatment does not require the usage of binder, which was necessary for conventional coating, leading to the highest level achievable for the low sliding resistance effect inherent of solid lubrication. Since this treatment does not involve any change in significant dimensions, shapes, surface roughness, and so on, applying this treatment is easy. The persistence of the effect, productivity and recyclability of waste and emissions during treatment were also taken into account. This paper explains the micro dimple[1] treated piston and molybdenum disulfide (MoS2) shot treated piston, which were the first examples of these applications in the world.
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Citation
Ogihara, H., "Research Into Surface Improvement for Low Friction Pistons," SAE Technical Paper 2005-01-1647, 2005, https://doi.org/10.4271/2005-01-1647.Also In
References
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