High-pressure torsion for enhanced atomic diffusion and promoting solid-state reactions in the aluminum–copper system

K Oh-Ishi, K Edalati, HS Kim, K Hono, Z Horita - Acta Materialia, 2013 - Elsevier
This study reports that solid-state reactions occur by the application of high-pressure torsion
(HPT) to the Al–Cu system even at low homologous temperature. A bulk form of disc …

Using high-pressure torsion to process an aluminum–magnesium nanocomposite through diffusion bonding

M Kawasaki, B Ahn, HJ Lee, AP Zhilyaev… - Journal of Materials …, 2016 - cambridge.org
Disks of commercial Al-1050 and ZK60A alloys were stacked together and then processed
by conventional high-pressure torsion (HPT) through 1 and 5 turns at room temperature to …

An approach for fabrication of Al-Cu composite by high pressure torsion

VN Danilenko, SN Sergeev, JA Baimova… - Materials Letters, 2019 - Elsevier
The method utilizing high-pressure torsion (HPT) processing followed by annealing to
fabricate Cu-Al in situ composite with enhanced mechanical properties is presented. The …

Fabrication of nanocomposites through diffusion bonding under high-pressure torsion

M Kawasaki, JK Han, DH Lee, J Jang… - Journal of Materials …, 2018 - cambridge.org
This report summarizes a recent study demonstrating simple and rapid synthesis of a new Al–
Mg alloy system and ultimately synthesizing a metal matrix nanocomposite, which was …

Bulk-state reactions and improving the mechanical properties of metals through high-pressure torsion

JK Han, J Jang, TG Langdon, M Kawasaki - Materials Transactions, 2019 - jstage.jst.go.jp
This report presents an overview of recent studies demonstrating a bulk-state reaction
involving mechanical bonding through the application of high-pressure torsion (HPT) …

Direct Bonding of Aluminum–Copper Metals through High‐Pressure Torsion Processing

JK Han, DK Han, GY Liang, JI Jang… - Advanced …, 2018 - Wiley Online Library
High‐pressure torsion (HPT) is used to investigate the formation of a new metal system by
the direct bonding of separate disks of Al and Cu by processing at room temperature under a …

[HTML][HTML] Evolution of hardness in ultrafine-grained metals processed by high-pressure torsion

M Kawasaki, HJ Lee, B Ahn, AP Zhilyaev… - Journal of Materials …, 2014 - Elsevier
The processing of metals through the application of high-pressure torsion (HPT) provides
the potential for achieving exceptional grain refinement in bulk metals. Numerous reports …

Microstructural evolution in pure aluminum processed by high-pressure torsion

Y Ito, Z Horita - Materials Science and Engineering: A, 2009 - Elsevier
Pure Al (99.99%) was processed using high-pressure torsion (HPT), and Vickers
microhardness was measured along the diameter of the disk samples. When all hardness …

Nanoscaled structure of a Cu–Fe composite processed by high-pressure torsion

X Sauvage, R Pippan - Materials Science and Engineering: A, 2005 - Elsevier
A Cu–Fe (10vol.%) composite material was fabricated by the cold drawing process and then
processed by high-pressure torsion (HPT). The resulting nanostructure was investigated by …

Microstructures and microhardness of an aluminum alloy and pure copper after processing by high-pressure torsion

Z Horita, TG Langdon - Materials Science and Engineering: A, 2005 - Elsevier
Experiments were conducted on an Al–3wt.% Mg–0.2 wt.% Sc alloy and pure Cu to evaluate
the effect of high-pressure torsion (HPT). The results show that very substantial grain …