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Development of Spraying Technology for Improving the Wear Resistance of Engine Cylinder Bores
Technical Paper
2003-32-0066
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
In response to design requirements for lower weight and higher output, the motorcycle engine cylinder block has evolved from a cast cylinder block to an aluminum alloy cylinder block whose bore walls are surface-treated for wear-resistance. Hard-chromium plating, nickel-compound plating, and the like are in wide use as the wear-resistance surface treatment method, but spray technology has recently been attracting attention because of less impact on the environment, superior initial running-in performance and good oil retention.
We have been applying a unique spraying method called wire explosion spraying to those models with a special need for wear-resistance surface. In this report we describe our wire explosion spray technology. With the aim of improving the bond strength of the sprayed coat, we studied the effects of the collided particles' form on bond strength in the wire explosion spraying conditions. We also report the composition and sliding characteristics of a coat that was formed with the plasma spraying method.
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Authors
Citation
Azuma, M., Mori, T., Tazaki, K., and Ogawa, R., "Development of Spraying Technology for Improving the Wear Resistance of Engine Cylinder Bores," SAE Technical Paper 2003-32-0066, 2003, https://doi.org/10.4271/2003-32-0066.Also In
References
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