Investigation of roller burnishing on Zamac5 cast alloy alloyed by copper

Investigation of roller burnishing on Zamac5 cast alloy alloyed by copper Purpose – This paper seeks to investigate the effect of roller burnishing on the surface roughness and hardness of Zn−5% Al alloyed by copper at varied percentages. Design/methodology/approach – Copper was added to molten Zn−5%Al cast alloy at different percentages, then the roller burnishing process with different parameters was carried out on the five Zamac5−Cu alloys, however the effect on the surface roughness and hardness was investigated. Findings – It was found that there is an enhancement on the hardness and the maximum is 18 per cent in Zamac5−10% Cu alloy. The best surfaces result was 0.05 μ m that obtained at 0.04 mm rev −1 burnishing feed rate in Zamac5−10% Cu alloy. Originality/value – The addition of copper is recommended to be added to Zamac5 up to percentage of maximum solubility of copper in Zamac5 alloy. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Industrial Lubrication and Tribology Emerald Publishing

Investigation of roller burnishing on Zamac5 cast alloy alloyed by copper

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Publisher
Emerald Publishing
Copyright
Copyright © 2011 Emerald Group Publishing Limited. All rights reserved.
ISSN
0036-8792
DOI
10.1108/00368791111168963
Publisher site
See Article on Publisher Site

Abstract

Purpose – This paper seeks to investigate the effect of roller burnishing on the surface roughness and hardness of Zn−5% Al alloyed by copper at varied percentages. Design/methodology/approach – Copper was added to molten Zn−5%Al cast alloy at different percentages, then the roller burnishing process with different parameters was carried out on the five Zamac5−Cu alloys, however the effect on the surface roughness and hardness was investigated. Findings – It was found that there is an enhancement on the hardness and the maximum is 18 per cent in Zamac5−10% Cu alloy. The best surfaces result was 0.05 μ m that obtained at 0.04 mm rev −1 burnishing feed rate in Zamac5−10% Cu alloy. Originality/value – The addition of copper is recommended to be added to Zamac5 up to percentage of maximum solubility of copper in Zamac5 alloy.

Journal

Industrial Lubrication and TribologyEmerald Publishing

Published: Sep 27, 2011

Keywords: Surface roughness; Micro hardness; Microstructure; Surface texture; Alloys

References

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