Surface quality of aluminium extrusion products


Ma, Xiao (2011) Surface quality of aluminium extrusion products. thesis.

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Abstract:Aluminium extrusion is a forming process used to produce profiles, and accounts
for almost a half of aluminium production. By forcing a heated billet through a die
opening that resembles the required profile shape, a large variety of profiles can be
made efficiently. In this thesis, an important aspect of extrusion is addressed:
surface quality of the extruded products. Surface hot cracking and incipient melting
are not part of this research though, as they occur outside the appropriate process
window. Surface defects occurring inside the process window, namely, the
formation of surface pickups, have been studied.
Item Type:Thesis
Engineering Technology (CTW)
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Metis ID: 274433