Analytical and numerical approaches to modelling severe plastic deformation

A Vinogradov, Y Estrin - Progress in Materials Science, 2018 - Elsevier
Severe plastic deformation (SPD) has established itself as a potent means of producing bulk
ultrafine grained and nanostructured materials. It has given rise to burgeoning research that …

[HTML][HTML] An upper bound solution for deformation field analysis in differential velocity sideways extrusion using a unified stream function

W Zhou, Z Shi, J Lin, TA Dean - International Journal of Mechanical …, 2022 - Elsevier
An analytical model providing a detailed description of the material flow and deformation
behaviour of extruded curved profiles produced by the novel differential velocity sideways …

Ultrasonic assisted-ECAP

F Djavanroodi, H Ahmadian, K Koohkan, R Naseri - Ultrasonics, 2013 - Elsevier
Equal channel angular pressing (ECAP) is one of the most prominent procedures for
achieving ultra-fine grain (UFG) structures among the various severe plastic deformation …

High-pressure double torsion as a severe plastic deformation process: experimental procedure and finite element modeling

M Jahedi, M Knezevic, MH Paydar - Journal of Materials Engineering and …, 2015 - Springer
In the present study, a severe plastic deformation process of high-pressure torsion (HPT)
has been modified. The new process is called high-pressure double torsion (HPDT) as both …

Equal channel angular pressing die to extrude a variety of materials

I Balasundar, MS Rao, T Raghu - Materials & Design, 2009 - Elsevier
In order to design an equal channel angular pressing (ECAP) die that can be used to
process a variety of materials, it is crucial to understand the effect of die design and material …

A new method for producing bimetallic rods

AR Eivani, AK Taheri - Materials Letters, 2007 - Elsevier
In this research, a new method for producing bimetallic rods is introduced. The method is a
new application of equal channel angular extrusion (ECAE) process. Advantages of using …

The cold welding of copper to aluminum using equal channel angular extrusion (ECAE) process

M Zebardast, AK Taheri - Journal of Materials Processing Technology, 2011 - Elsevier
In this research, it is shown that the production of bimetallic Al/Cu rod by cold ECAE process
is feasible. The mechanism of the cold weld between the copper sheath and aluminum core …

The effect of dead metal zone formation on strain and extrusion force during equal channel angular extrusion

AR Eivani, AK Taheri - Computational Materials Science, 2008 - Elsevier
In this research, deformation of material during equal channel angular extrusion (ECAE) is
analyzed using an upper bound model. The model considers the effect of die angle and …

Improvement of ECAP process by imposing ultrasonic vibrations

F Ahmadi, M Farzin, M Meratian, SM Loeian… - … International Journal of …, 2015 - Springer
In a few last decades, equal-channel angular pressing (ECAP) has been one of the most
prominent procedures for fabrication of ultrafine-grained (UFG) structures among various …

Theoretical analysis of equal channel angular pressing method for grain refinement of metals and alloys

KM Agarwal, RK Tyagi, A Dixit - Materials Today: Proceedings, 2020 - Elsevier
The most innovative ECAP method is used for grain refinement of bulk crystalline material to
ultrafine structure and subsequent improvement in mechanical properties of materials. In this …