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Laser Heat Treatment of piston rings

✍ Scribed by Ding Chauxuan

Publisher
John Wiley and Sons
Year
1983
Tongue
English
Weight
672 KB
Volume
14
Category
Article
ISSN
0933-5137

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✦ Synopsis

Abstract

The laser heat treatment of piston rings is discussed. The hardened layer formed on the surface can increase the wear‐resistance and hence the service life on the piston ring.

Compared with rings treated by chromium‐plating or molybdenum‐spraying, the new technique of laser hardening of the piston ring offers many advantages, such as low cost, noble metal saving, no pollution, energy saving, simple working procedure, easy automation production, etc.

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An experimental study is presented to evaluate the effect of partial laser surface texturing (LST) on friction reduction in piston rings. Tests were performed on a reciprocating test rig with actual piston rings and cylinder liner segments. A comparison was made between the performance of a referenc