Using high-pressure torsion for metal processing: Fundamentals and applications

AP Zhilyaev, TG Langdon - Progress in Materials science, 2008 - Elsevier
High-pressure torsion (HPT) refers to the processing of metals whereby samples are
subjected to a compressive force and concurrent torsional straining. Although the …

[HTML][HTML] Enhancing plastic deformability of Mg and its alloys—A review of traditional and nascent developments

KK Alaneme, EA Okotete - Journal of magnesium and alloys, 2017 - Elsevier
Mg and its alloys have continued to attract interest for several structural and super-sensitive
applications because of their light weight and good combination of engineering properties …

Saturation of fragmentation during severe plastic deformation

R Pippan, S Scheriau, A Taylor, M Hafok… - Annual Review of …, 2010 - annualreviews.org
In this review, we focus on the saturation microstructure that evolves during severe plastic
deformation (SPD). These nanocrystalline or ultrafine-grained microstructures consist …

Seventy-five years of superplasticity: historic developments and new opportunities

TG Langdon - Journal of materials science, 2009 - Springer
On this seventy-fifth anniversary of the first scientific report of true superplastic flow, it is
appropriate both to look back and examine the major developments that established the …

Designing highly ductile magnesium alloys: current status and future challenges

U Masood Chaudry, S Tekumalla, M Gupta… - Critical Reviews in …, 2022 - Taylor & Francis
In order to reduce oil consumption and avoid fossil fuel-related environmental problems,
scientists are always looking for lightweight structural materials that show high performance …

[HTML][HTML] The role of grain size in achieving excellent properties in structural materials

RB Figueiredo, M Kawasaki, TG Langdon - Journal of Materials Research …, 2024 - Elsevier
Advanced structural materials are expected to display significantly improved mechanical
properties and this may be achieved, at least in part, by refining the grain size to the …

Breaks in the Hall–Petch relationship after severe plastic deformation of magnesium, aluminum, copper, and iron

S Dangwal, K Edalati, RZ Valiev, TG Langdon - Crystals, 2023 - mdpi.com
Strengthening by grain refinement via the Hall–Petch mechanism and softening by
nanograin formation via the inverse Hall–Petch mechanism have been the subject of …

Different models of hardness evolution in ultrafine-grained materials processed by high-pressure torsion

M Kawasaki - Journal of Materials Science, 2014 - Springer
High-pressure torsion (HPT) is an attractive processing method in severe plastic deformation
techniques involving the application of high compressive pressure with concurrent torsional …

[HTML][HTML] An overview of the effect of grain size on mechanical properties of magnesium and its alloys

AP Carvalho, RB Figueiredo - Materials Transactions, 2023 - jstage.jst.go.jp
Recent studies show significant advances in improving the mechanical properties of
magnesium and its alloys. While many papers deal with different alloy compositions, it is …

[HTML][HTML] Critical review of superplastic magnesium alloys with emphasis on tensile elongation behavior and deformation mechanisms

HT Jeong, WJ Kim - Journal of Magnesium and Alloys, 2022 - Elsevier
The tensile elongation behavior and deformation mechanisms of superplastic Mg alloys and
Mg composites were examined by extensively reviewing the literature published from the …