[HTML][HTML] An overview of tailoring strain delocalization for strength-ductility synergy

H Wu, G Fan - Progress in Materials Science, 2020 - Elsevier
In this paper, we systematically proposed the strategy of tailoring strain delocalization to
evade long-standing strength-ductility trade-off dilemma. The scientific contribution is to …

Recent development of TiNi‐based shape memory alloys with high cycle stability and high transformation temperature

Y Tong, A Shuitcev, Y Zheng - Advanced Engineering Materials, 2020 - Wiley Online Library
TiNi‐based shape memory alloys (SMAs) attract a lot of attention from engineering and
biomedical fields because of their superior functional properties, such as their unique shape …

Elastocaloric cooling capacity of shape memory alloys–Role of deformation temperatures, mechanical cycling, stress hysteresis and inhomogeneity of transformation

Y Wu, E Ertekin, H Sehitoglu - Acta Materialia, 2017 - Elsevier
Elastocaloric (EC) effect refers to the rapid cooling in shape memory alloys (SMAs) during
reverse transformation from martensite to austenite under adiabatic conditions. We present a …

Recoverability of large strains and deformation twinning in martensite during tensile deformation of NiTi shape memory alloy polycrystals

Y Chen, O Molnárová, O Tyc, L Kadeřávek, L Heller… - Acta Materialia, 2019 - Elsevier
Superelastic NiTi wires were deformed in tension up to gradually increasing total strains at
various temperatures, recoverable strains were evaluated and lattice defects left in the …

A revisit to atomistic rationale for slip in shape memory alloys

P Chowdhury, H Sehitoglu - Progress in Materials Science, 2017 - Elsevier
Performance degradation in shape memory alloys (SMA) arises due to a gradual loss of
strain recoverability attributable to slip mediated plasticity. The slip-induced changes in …

[HTML][HTML] Laser welding of precipitation strengthened Ni-rich NiTiHf high temperature shape memory alloys: Microstructure and mechanical properties

JP Oliveira, N Schell, N Zhou, L Wood, O Benafan - Materials & Design, 2019 - Elsevier
High temperature shape memory alloys are currently attracting significant attention by the
aerospace industry due to the potential use of shape memory and superelastic properties at …

Laser welding of Cu-Al-Be shape memory alloys: Microstructure and mechanical properties

JP Oliveira, Z Zeng, S Berveiller, D Bouscaud… - Materials & Design, 2018 - Elsevier
Cu-based shape memory alloys are potential substitutes of NiTi shape memory alloys,
owing to their lower production costs and recent increase in mechanical properties arising …

Elastocaloric effects in the extreme

H Sehitoglu, Y Wu, E Ertekin - Scripta Materialia, 2018 - Elsevier
There is a resurgence of interest in the elastocaloric (EC) effect of shape memory alloys
(SMAs). The temperature change associated with the EC effect can be substantial, far …

Applying full-field measurement techniques for the thermomechanical characterization of shape memory alloys: a review and classification

D Delpueyo, A Jury, X Balandraud… - Shape Memory and …, 2021 - Springer
Full-field measurement techniques are now mature. As such, they have profoundly impacted
the experimental mechanics community in recent years. The way that shape memory alloys …

Effect of Hf/Zr ratio on shape memory properties of high temperature Ni50. 3Ti29. 7 (Hf, Zr) 20 alloys

GS Bigelow, O Benafan, A Garg, RD Noebe - Scripta Materialia, 2021 - Elsevier
A series of Ni 50.3 Ti 29.7 (Hf, Zr) 20 (Zr= 0 to 20 at%) high-temperature shape memory
alloys were investigated to determine the effect of varying Hf/Zr ratio on shape memory …