1808 二硫化モリブデンショットピストンによる内燃機関のしゅう動抵抗低減

概要

論文の詳細を見る
A processing technology has been developed which uses the Wonder Process Craft (WPC) treatment method to apply a high-purity powder of the solid lubricant molybdenum disulfide (MoS_2) to the sliding surface of the piston skirt with a jet of compressed air. As the powder strikes the surface thermal penetration and diffusion occurs, enabling the formation of a MoS_2 layer in the uppermost layers of the skirt, including the surface. The use of this technology in the manufacture of a 1.3-liter automotive engine has reduced motoring friction under partial load 4-5%, and effect lasting for the life of the engine. In this process only air and powdered MoS_2 are discharged, and the powder is recyclable. No waste treatment is necessary because no waste products are produced, making this technology perfectly adapted to contemporary environmental demands. Pistons treated with this technology are called 'MoS_2 shot-treated pistons' and have been used in mass production vehicles since June 2001.
2002-09-20