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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High-Pressure Phase Transformations under Severe Plastic Deformation by Torsion in Rotational Anvils
TL;DR: In this article, the authors present a review of the current understanding of the underlying phenomena based on multiscale atomistic and continuum theories and computational modeling, including the discovery of hidden metastable phases and compounds, reducing PT pressure hysteresis, and substituting a reversible PT with irreversible PT.
Journal ArticleDOI
A new strategy to simultaneous increase in the strength and ductility of AA2024 alloy via accumulative roll bonding (ARB)
TL;DR: In this article, a new strategy via accumulative roll bonding (ARB) was developed to improve elongation (about 10%) of AA2024 alloy with a relatively high strength (365 MPa).
Journal ArticleDOI
Mechanochemistry of Metal Hydrides: Recent Advances
Jacques Huot,Fermin Cuevas,Stefano Deledda,Kaveh Edalati,Yaroslav Filinchuk,Thierry Grosdidier,Bjørn C. Hauback,Michael Heere,Torben R. Jensen,Michel Latroche,Sabrina Sartori +10 more
TL;DR: In this paper, the recent developments in the use of mechanochemistry to synthesize and modify metal hydrides are reviewed and the new characterization method of in-situ X-ray diffraction during milling is described.
Journal ArticleDOI
Grain Size Effect on Deformation Mechanisms of Nanocrystalline bcc Metals
TL;DR: In this article, a significant effect of grain size on the deformation mechanism of nanocrystalline (NC) body-centered cubic (bcc) metals has been investigated.
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Microstructural stability of Cu processed by different routes of severe plastic deformation
TL;DR: In this article, the thermal stability of ultrafine-grained (UFG) microstructure in Cu processed by different routes of severe plastic deformation (SPD) was studied at both high and room temperatures (RT).
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.