Nr. Chitkara et Ma. Butt, AXISYMMETRICAL TUBE EXTRUSION THROUGH A FLAT-FACED CIRCULAR DIE - NUMERICAL CONSTRUCTION OF SLIP-LINE FIELDS AND ASSOCIATED VELOCITY-FIELDS, International journal of mechanical sciences, 39(3), 1997, pp. 341
A numerical method of construction of axi-symmetric slip-line fields a
nd their associated velocity fields [13-15] is applied to investigate
the problem of axi-symmetric tube extrusion through smooth and rough.
hat-faced circular dies and the salient results presented in a computo
graphic manner. A reasonably satisfactory agreement was observed betwe
en the estimated values of the non-dimensionalised specific extrusion
pressures in each case when these were compared with the analytical an
d experimental work of Kudo [6] and that carried out by the authors. T
he deficiency in the technique used, the difficulties encountered and
also some specific errors noticed during the construction of the field
s, are highlighted and the results commented upon. Copyright (C) 1996
Elsevier Science Ltd.