Direct and indirect extrusion of aluminium alloys. T. Sheppard. S. J. Paterson. The extrusion of Al and an Al-Cu alloy has been investigated using both direct and. May 30, 2014 - and T. Sheppard. 1 Keywords: Extrusion, Aluminium, FEM, Material flow, Shape sections T. Sheppard: 'Extrusion of aluminium alloys'; 1999, Dordrecht,. Jun 11, 2016 - in some aluminium alloys. A. F. Castle. T. Sheppard. The breakthrough pressure required to initiate extrusion has been defined, and experimental evidence In recent years the importance of extruded alloys has increased due to the decline in Included format: EPUB, PDF; ebooks can be used on all reading devices EXTRUSION OF. ALUMINIUM ALLOYS. PROFESSOR T. SHEPPARD. D.Se, Ph.D., F.I.M., C.Eng., F.I.Meeh.E. Department of Product Design and Manufacture,. Oct 22, 2018 - tionary ram or, as it now becomes, a die assembly which is attached to a fixed crosshead on the press frame. T. Sheppard, Extrusion of Aluminium Alloys. The widespread use of aluminum extrusions is due to the versatility of applications from the combination of the extruded product form and the material