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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Ultrafine-grained textured surface layer on Zr–1%Nb alloy produced by ultrasonic impact peening for enhanced corrosion resistance
TL;DR: In this paper, an ultrafine-grained (UFG) surface layer was produced on Zr-1%Nb alloy using severe plastic deformation process induced by ultrasonic impact peening (UIP).
Journal ArticleDOI
Superplasticity of a nano-grained Mg–Gd–Y–Zr alloy processed by high-pressure torsion
TL;DR: In this article, superplasticity in an Mg-9Gd-4Y-0.4Zr (GW94) alloy was investigated after different high-pressure torsion (HPT) conditions.
Journal ArticleDOI
Influence of severe plastic deformation at cryogenic temperature on grain refinement and softening of pure metals: Investigation using high-pressure torsion
Kaveh Edalati,Kaveh Edalati,Jorge M. Cubero-Sesin,Jorge M. Cubero-Sesin,Ali Alhamidi,Ali Alhamidi,Intan Fadhlina Mohamed,Intan Fadhlina Mohamed,Zenji Horita,Zenji Horita +9 more
TL;DR: In this paper, the effect of impurities on grain size, hardness-strain behavior and self-annealing was also studied after cryogenic-HPT, which led to extra softening and/or formation of coarser grains.
Journal ArticleDOI
Review of principles and methods of severe plastic deformation for producing ultrafine-grained tubes
Ghader Faraji,Hyoung Seop Kim +1 more
TL;DR: In this article, a review of tube severe plastic deformation (SPD) processes intended to produce ultra-fine-grained and nanostructured tubes, and their effects on material properties is presented.
Journal ArticleDOI
Development of structural heterogeneities in a magnesium alloy processed by high-pressure torsion
TL;DR: In this paper, an investigation was conducted on a magnesium AZ31 alloy to determine whether the deformation process is homogeneous or heterogeneous during high-pressure torsion (HPT).
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.