A Novel Severe Plastic Deformation Process for Shear Deformation and Grain Refinement of Bulk Materials

被引：2
|
作者：
Montazeri-Pour, Mehdi [1 ]
Habibi-Parsa, Mohammad [1 ]
机构：
[1] Univ Tehran, Univ Coll Engn, Sch Met & Mat Engn, Tehran 14174, Iran
来源：
ULTRAFINE GRAINED AND NANO-STRUCTURED MATERIALS IV | 2014年 / 829卷
关键词：
Severe plastic deformation; Multi-Axial Incremental Shearing; Grain refinement; Finite element method; MAIS process; CHANNEL; EXTRUSION;
D O I：
10.4028/www.scientific.net/AMR.829.15
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
A novel experimental technique called "Multi-Axial Incremental Shearing" (MAIS) is proposed to impose plastic shear strain to the bulk metallic materials. The evolution of strain during MAIS processing of AA1100 alloy has been studied by employing 3D finite element modeling. The commercial code DEFORM was used to analyze the deformation and evolution of the working load with rams displacement as the material passes through the die. Simulation results showed that a large amount of accumulative strain can be applied to the sample without change of its dimensions. In order to verify the metal flow and microstructure characteristics, Sn-1wt.% Bi alloy specimens as the representative of the soft metals have been deformed by MAIS process.
引用
收藏
页码：15 / 19
页数：5
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