نتایج جستجو برای: equal channel angular rolling

تعداد نتایج: 424783  

Journal: :ASEAN Journal on Science and Technology for Development 2007

Farshid Ahmadi, Mohammad Hossein Shahsavari

Among different SPD techniques, Equal channel Angular Pressing has attracted the most attentions, because of applying large strain to solid bulk materials. In this research, ECAP process up to 6 passes was carried out on a pure copper and a 6012 Al-Mg-Si alloy with BC route in ECAP dies with Φ=120 and Ψ=20 and diameter of 20and 10 millimeter respectively. Moreover, X-ray diffraction (XRD) syste...

Journal: : 2021

The main limitation of the Equal Channel Angular Pressing (ECAP) is very high required punching force for pushing metallic sample to next channel. Frictional forces in ECAP process are responsible force. participation exit and entrance channels total friction has not been studied experimentally hitherto. Through current study, two dies (1) with (normal die) (2) only one channel (the was missed)...

Journal: :MATEC web of conferences 2023

This paper presents a finite element simulation of equal channel angular pressing (ECAP) since it is one the most common and successful severe plastic deformation techniques. study reports influence significant factors influencing ECAP technique. Through simulation, effect die geometry, workpiece speed on effective strain distributions, damage, loads, were investigated. The method different mat...

Journal: :Journal of metallic material research 2023

The technique known as Equal Channel Angular Pressing (ECAP) has gained prominence a transformational method for improving the mechanical characteristics of metals and alloys by subjecting them to intense plastic deformation. This study explores significant difficulties that arise when using on Aluminium 2024-Beryl Metal Matrix Composites (2024-BMMCs), providing detailed analysis complex intera...

Journal: :International Journal of Computational and Experimental Science and Engineering 2019

Journal: :Progress in Natural Science: Materials International 2015

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