Effect of heat treatment on friction factor in micro extrusion process

V. Jayaseelan, K. Kalaichelvan, R. SIVARAMAKRISHNAN and T. Arun Kumar

Department of Production Technology, M.I.T. Campus, Anna University, Chennai - 44 (India).

Received on August 08, 2009 and accepted on October 15, 2009

ABSTRACT

This paper deals with the grain size and friction factor during micro extrusion process. In micro level grain size will affect the friction factor. Before the extrusion, aluminum alloys are heat treated in different temperatures and different time periods. Microscopic examination used to find the grain size of the different heat-treated components and micro extrusion was carried out to find the friction factor between die and billet and the same was related with respect to change in grain size.

Keywords : Micro extrusion, Grain size, Friction factor.