A novel single pass severe plastic deformation technique: Vortex extrusion

M. Shahbaz; N. Pardis; R. Ebrahimi; B. Talebanpour

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A novel single pass severe plastic deformation technique: Vortex extrusion

机译：一种新颖的单程严重塑性变形技术：涡旋挤压

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摘要

Vortex extrusion (VE) is a new severe plastic deformation (SPD) method which is designed to introduce a specific amount of torsional strain to a material simultaneously being extruded using a specially designed stationary die. Plastic deformation characteristics of VE were analyzed by finite element analysis; processing loads, strain values as well as metal flow patterns were studied for different twist angles. Results indicated that high strain values with uniform distribution may be achieved after VE processing. Therefore, VE can be considered as a promising single pass SPD technique which can be installed on any standard extrusion equipment with no need to any additional facilities that are essential in similar method, torsion extrusion.

机译：涡旋挤出（VE）是一种新的严重塑性变形（SPD）方法，旨在将特定量的扭转应变引入同时使用特殊设计的固定模头挤出的材料中。通过有限元分析分析了VE的塑性变形特性。研究了不同扭转角下的加工载荷，应变值以及金属流型。结果表明，VE处理后可获得均匀分布的高应变值。因此，VE可被认为是一种很有前途的单程SPD技术，可以将其安装在任何标准挤出设备上，而无需使用任何其他在类似方法（扭转挤出）中必不可少的设施。

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来源
《Materials Science and Engineering》 |2011年第2011期|p.469-472|共4页
作者
M. Shahbaz; N. Pardis; R. Ebrahimi; B. Talebanpour;
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作者单位

Department of Materials Science and Engineering, School of Engineering, Shiraz University, Shiraz, Iran;

Department of Materials Science and Engineering, School of Engineering, Shiraz University, Shiraz, Iran;

Department of Materials Science and Engineering, School of Engineering, Shiraz University, Shiraz, Iran;

Department of Materials Science and Engineering, School of Engineering, Shiraz University, Shiraz, Iran;

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正文语种 eng
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关键词
severe plastic deformation; vortex extrusion; torsion extrusion; finite element analysis;

机译：严重塑性变形;涡旋挤压;扭转挤压;有限元分析;

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6. Severe Plastic Deformation of Fe-22Al-5Cr Alloy by Cross-Channel Extrusion with Back Pressure [O] . Radosław Łyszkowski, Wojciech Polkowski, Tomasz Czujko 2018

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机译：等通道角挤压对难熔金属的严重塑性变形加工

A novel single pass severe plastic deformation technique: Vortex extrusion

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