Grain growth and stabilisation of nanostructured aluminium at high temperatures

H Asgharzadeh, HJ McQueen - Materials Science and …, 2015‏ - journals.sagepub.com
Nanostructured (NS) materials have a large stored energy due to their large grain boundary
area and thus tend to be unstable with respect to grain growth during high temperature …

Mechanical and electrical properties of copper-graphene nanocomposite fabricated by high pressure torsion

N Khobragade, K Sikdar, B Kumar, S Bera… - Journal of Alloys and …, 2019‏ - Elsevier
Graphene reinforced Cu matrix composite was fabricated by consolidating mechanically
mixed powder blend to 98% theoretical density by High Pressure Torsion (HPT) …

Formation mechanisms of high-density growth twins in aluminum with high stacking-fault energy

D Bufford, Y Liu, Y Zhu, Z Bi, QX Jia… - Materials Research …, 2013‏ - Taylor & Francis
Nanotwins readily form in numerous face-centered-cubic (fcc) metals with low stacking-fault
energy (SFE). However, growth twins rarely form in Al due to its high SFE,∼ 120–165 …

Bulk nanostructured materials

CC Koch, DW Brenner - Handbook of Nanoscience, Engineering …, 2018‏ - taylorfrancis.com
Nanostructured materials have been de¢ ned as materials that have at least one dimension
in the “nanoscale”(typically 1-100 nm).¡ us, depending on the dimensions in which the …

Microstructure and mechanical behavior of nanotwinned AlTi alloys with 9R phase

YF Zhang, S Xue, Q Li, C Fan, R Su, J Ding, H Wang… - Scripta Materialia, 2018‏ - Elsevier
Nanotwinned metals have shown high strength and ductility. However, metals with high
stacking fault energy, such as Al, typically do not contain high-density growth twins or …

Ultra-strong nanotwinned Al–Ni solid solution alloys with significant plasticity

YF Zhang, Q Li, SC Xue, J Ding, DY **e, J Li, T Niu… - Nanoscale, 2018‏ - pubs.rsc.org
Twin boundaries have been proven effective for strengthening metallic materials while
maintaining plasticity. Al, however, has low twinning propensity due to its high stacking fault …

Recent developments in modelling of microhardness saturation during SPD processing of metals and alloys

AP Zhilyaev, AA Gimazov, TG Langdon - Journal of Materials Science, 2013‏ - Springer
Ultrafine-grained and even nanostructured materials can be fabricated using severe plastic
deformation to ultra-high strains in equal-channel angular pressing (ECAP), high-pressure …

Strengthening mechanisms in nanocrystalline alloys

RO Scattergood, CC Koch, KL Murty… - Materials Science and …, 2008‏ - Elsevier
The mechanisms for strengthening nanocrystalline metals by alloy additions are reviewed
and a new model for nano-particle strengthening by Orowan bypassing in nano-grains is …

Melting behavior and the correlation of Sn distribution on hardness in a nanostructured Al–Sn alloy

X Liu, MQ Zeng, Y Ma, M Zhu - Materials Science and Engineering: A, 2009‏ - Elsevier
Nanostructured Al–20wt.% Sn alloy was prepared by mechanical alloying (MA). The
evolution of microstructure upon sintering, melting behavior of the alloy and the effect of …

Understanding the mechanical properties of two-phase nanocrystalline AlCrFeMoNbNi high-entropy alloy evaluated by nanoindentation

V Madhu Babu, DG Kalali, H Seekala… - Journal of Materials …, 2024‏ - Springer
Nanocrystalline two-phase AlCrFeMoNbNi high-entropy alloy (HEA) was produced using
mechanical alloying (MA) and high-pressure torsion (HPT), with an average grain size of …