This paper deals with an experimental investigation concerning the open die extrusion (ODE) of three materials of varying physical properties and mechanical properties. Two geometrical configurations (solid and tube) and two methods (by direct and indirect techniques) were considered to examine the influence of these variables in the generation and retention of heat in the deformation zone with the objective of ensuring a greater achievable strain. Studies reveal that solid configuration supports the retention of heat as against tubular configuration. Low thermal conductivity, density, specific heat and high flow stress which characterise 99Ti make this material an excellent candidate for ODE as opposed to AISI 1020 steel and aluminium, which fail to meet all the above physical and mechanical properties. The indirect technique reduces the friction factor and thus enables greater strains to be achieved. © 1997 Elsevier Science S.A.

Srinivasan, K.; Venugopal, P.

This paper deals with an experimental investigation concerning the open die extrusion (ODE) of three materials of varying physical properties and mechanical properties. Two geometrical configurations (solid and tube) and two methods (by direct and indirect techniques) were considered to examine the influence of these variables in the generation and retention of heat in the deformation zone with the objective of ensuring a greater achievable strain. Studies reveal that solid configuration supports the retention of heat as against tubular configuration. Low thermal conductivity, density, specific heat and high flow stress which characterise 99Ti make this material an excellent candidate for ODE as opposed to AISI 1020 steel and aluminium, which fail to meet all the above physical and mechanical properties. The indirect technique reduces the friction factor and thus enables greater strains to be achieved. © 1997 Elsevier Science S.A.

dc.contributor.author	Srinivasan, K.
dc.contributor.author	Venugopal, P.
dc.date.accessioned	2026-02-05T11:00:34Z
dc.date.issued	Adiabatic and friction heating on the open die extrusion of solid and hollow bodies
dc.description.abstract	1997
dc.identifier.citation	Journal of Materials Processing Technology, 1997, 70, 46082, pp. 170-177
dc.identifier.issn	9240136
dc.identifier.uri	https://doi.org/10.1016/S0924-0136(97)02913-0
dc.identifier.uri	https://idr.nitk.ac.in/handle/123456789/28053
dc.publisher	Elsevier BV
dc.subject	Adiabatic heating
dc.subject	Frictional heating
dc.subject	Open die extrusion
dc.subject	Density (specific gravity)
dc.subject	Dies
dc.subject	Specific heat of solids
dc.subject	Strain
dc.subject	Thermal conductivity of solids
dc.subject	Viscous flow
dc.subject	Extrusion
dc.title	This paper deals with an experimental investigation concerning the open die extrusion (ODE) of three materials of varying physical properties and mechanical properties. Two geometrical configurations (solid and tube) and two methods (by direct and indirect techniques) were considered to examine the influence of these variables in the generation and retention of heat in the deformation zone with the objective of ensuring a greater achievable strain. Studies reveal that solid configuration supports the retention of heat as against tubular configuration. Low thermal conductivity, density, specific heat and high flow stress which characterise 99Ti make this material an excellent candidate for ODE as opposed to AISI 1020 steel and aluminium, which fail to meet all the above physical and mechanical properties. The indirect technique reduces the friction factor and thus enables greater strains to be achieved. © 1997 Elsevier Science S.A.

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