Journal ArticleDOI
Using high-pressure torsion for metal processing: Fundamentals and applications
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TLDR
High pressure torsion (HPT) is a well-known technique for metal forming as discussed by the authors, where samples are subjected to a compressive force and concurrent torsional straining.About:
This article is published in Progress in Materials Science.The article was published on 2008-08-01. It has received 2499 citations till now.read more
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Microstructure evolution and mechanical properties of severely deformed Al alloy processed by differential speed rolling
Loorentz,Young Gun Ko +1 more
TL;DR: In this paper, the microstructure evolution and mechanical properties of Al alloy samples deformed by differential speed rolling (DSR) method as functions of the roll speed ratio as well as the number of operation were investigated.
Journal ArticleDOI
Strength and plasticity of nanocrystalline materials and nanosized crystals
TL;DR: In this article, the effect of grain boundaries and the crystal surface on the deformation and strength properties of nanocrystalline and nanosized materials, primarily metals, is reviewed and the observed findings are theoretically analyzed using equations of dislocation kinetics.
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Influence of severe plastic deformation on the microstructure and hardness of a CoCrFeNi high-entropy alloy: A comparison with CoCrFeNiMn
Jenő Gubicza,Pham Tran Hung,Megumi Kawasaki,Jae-Kyung Han,Yakai Zhao,Yunfei Xue,János L. Lábár,János L. Lábár +7 more
TL;DR: In this paper, the evolution of microstructure and hardness in a CoCrFeNi high-entropy alloy (HEA) processed by severe plastic deformation (SPD) was studied.
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Comparison of microstructures and mechanical properties of a Cu–Ag alloy processed using different severe plastic deformation modes
Yanzhong Tian,Suxiang Wu,Z.F. Zhang,Roberto B. Figueiredo,Nong Gao,Terence G. Langdon,Terence G. Langdon +6 more
TL;DR: In this article, the microstructures of the Cu-Ag alloy can be refined to different levels by these severe plastic deformation (SPD) modes with the smallest grains produced by HPT.
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An approach for fabrication of Al-Cu composite by high pressure torsion
Valery N. Danilenko,S. N. Sergeev,J.A. Baimova,J.A. Baimova,Galiia Korznikova,K. S. Nazarov,R. Kh. Khisamov,A. M. Glezer,Radik R. Mulyukov,Radik R. Mulyukov +9 more
TL;DR: In this paper, a method utilizing high-pressure torsion (HPT) processing followed by annealing to fabricate Cu-Al in situ composite with enhanced mechanical properties is presented.
References
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Journal ArticleDOI
Bulk nanostructured materials from severe plastic deformation
TL;DR: In this article, the authors present methods of severe plastic deformation and formation of nanostructures, including Torsion straining under high pressure, ECA pressing, and multiple forging.
Journal ArticleDOI
Principles of equal-channel angular pressing as a processing tool for grain refinement
TL;DR: In this article, a review examines recent developments related to the use of ECAP for grain refinement including modifying conventional ECAP to increase the process efficiency and techniques for up-scaling the procedure and for the processing of hard-to-deform materials.
Journal ArticleDOI
Novel ultra-high straining process for bulk materials—development of the accumulative roll-bonding (ARB) process
TL;DR: In this paper, the accumulative roll-bonding (ARB) method was proposed to introduce high plastic strain without any geometrical change if the reduction in thickness is maintained to 50% every rolling pass.
Journal ArticleDOI
Producing bulk ultrafine-grained materials by severe plastic deformation
Ruslan Z. Valiev,Yuri Estrin,Zenji Horita,Zenji Horita,Terence G. Langdon,Michael J. Zehetbauer,Yuntian Zhu +6 more
TL;DR: In this article, an overview of recent achievements and new trends in the production of bulk ultrafine-grained (UFG) materials using severe plastic deformation (SPD) is presented.