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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Characterization of lattice defects in metallic materials by positron annihilation spectroscopy: A review
TL;DR: A review of the state-of-the-art of defect characterization in bulk metallic materials by positron annihilation spectroscopy is provided in this article, where the authors discuss the recent developments in the field and discuss examples of defect studies of metallic materials.
Journal ArticleDOI
Effects of high pressure torsion on microstructures and properties of an Al0.1CoCrFeNi high-entropy alloy
Pengfei Yu,H. cheng,Lijie Zhang,Hailian Zhang,Jing Qin,Mingzhen Ma,Peter K. Liaw,G. Li,G. Li,R.P. Liu +9 more
TL;DR: In this paper, the plastic-deformation mechanism and mechanical properties evolution of single-phase Al0.1CoCrFeNi high-entropy alloy (HEA) were studied under high pressure torsion (HPT) under a pressure of 6 GPa through 1 and 2 revolutions.
Journal ArticleDOI
Elastic properties of single-crystalline ω phase in titanium
TL;DR: In this paper, the elastic properties of the single-crystalline ω (hexagonal) phase of titanium are studied, and the complete set of elastic stiffness components are measured by RUS combined with laser Doppler interferometery.
Journal ArticleDOI
Deformation mechanisms of a modified 316L austenitic steel subjected to high pressure torsion
TL;DR: In this paper, the microstructural evolution of a modified 316L stainless steel during high pressure torsion (HPT) in a temperature range between −196°C and 720°C was investigated.
Journal ArticleDOI
Simultaneously improving corrosion resistance and mechanical properties of a magnesium alloy via equal-channel angular pressing and post water annealing
Dan Song,Cheng Li,Ningning Liang,Falin Yang,Jinghua Jiang,Jiapeng Sun,Guosong Wu,Aibin Ma,Xiaolong Ma +8 more
TL;DR: In this paper, a processing route combining equal-channel angular pressing (ECAP) and water annealing to achieve simultaneous improvements on both anti-corrosion and mechanical performances of a Mg-2Zn-Mn-Ca-Ce alloy was proposed.
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.