Title: The experimental study on machinability of new developed Al/(Sip+SiCp)

Authors: M. Chen, L.L. Jing, G. Liu

Addresses: School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai 200030, PR China. ' School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai 200030, PR China. ' School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai 200030, PR China

Abstract: Machinability of new developed Al/(Sip+SiCp) was investigated experimentally in terms of cutting force, vibration, tool wear and surface quality. Results showed that the machinability of Al/Sip was improved when certain volume fraction of Sip was replaced by SiCp. Favourable machinability was obtained by Al/(Sip+SiCp) with 8% SiCp and 50% Sip. Compared to Al/Sip with 65% Sip, cutting force was reduced by nearly 80%, tool wear for 30 seconds decreased by 50% and machined surface was smoother. The vibration was, however, rather serious. Therefore, the control of vibration became necessary in cutting of Al/(Sip+SiCp).

Keywords: MMCs; Al/Sip; Al/(Sip+SiCp); machinability; carbide tooling; milling; cutting force; cutting vibration; tool wear; surface integrity; metal matrix composites; vibration control; surface quality; surface roughness; aluminium matrix composites; silicon particles.

DOI: 10.1504/IJMPT.2008.018988

International Journal of Materials and Product Technology, 2008 Vol.32 No.2/3, pp.308 - 317

Published online: 27 Jun 2008 *

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