Stress-induced nanoscale phase transition in superelastic NiTi by in situ X-ray diffraction

A Ahadi, Q Sun - Acta Materialia, 2015 - Elsevier
In situ X-ray diffraction during loading and unloading is used to investigate the effects of
grain size (GS) on the stress-induced nanoscale phase transition (PT) mechanism in …

Effects of grain size on the rate-dependent thermomechanical responses of nanostructured superelastic NiTi

A Ahadi, Q Sun - Acta Materialia, 2014 - Elsevier
We investigated the effects of grain size on the rate-dependent thermomechanical
responses of polycrystalline superelastic NiTi (with an average grain size from 10 to 90 nm) …

Effect of aging temperature on the precipitation behavior and mechanical properties of Fe–Cr–Ni maraging stainless steel

C Zhang, C Wang, SL Zhang, YL Ding, QL Ge… - Materials Science and …, 2021 - Elsevier
Aging is an important heat treatment process for maraging stainless steel. During aging, the
interaction between intermetallic compounds and dislocations has a significant impact on …

Effect of aging on transformation behavior of reverted austenite and toughness in Co-free maraging stainless steel

C Zhang, C Wang, A Wang, C Zheng, Z Liu… - Journal of Materials …, 2022 - Springer
The effect of aging on transformation behavior of reverted austenite and impact toughness in
Co-free maraging stainless steel were investigated via thermodynamic calculation …

Cyclic Stability of Ni44.8Cu5Ti45.2Hf5 and Zr‐Substituted Ni44.8Cu5Ti40.2Hf5Zr5 Medium‐Entropy Shape Memory Alloys

S Baradari, N Resnina, S Belyaev… - Advanced …, 2022 - Wiley Online Library
An experimental investigation on the cyclic stability of solutionized Ni44. 8Cu5Ti45. 2Hf5
and Zr‐substituted Ni44. 8Cu5Ti40. 2Hf5Zr5 (atomic percent, at%) medium‐entropy shape …

Torsional behavior of Ni-rich NiTi alloys obtained by powder metallurgy and hot deformation

S Volodko, G Markova, S Yudin, D Permyakova… - Scientific Reports, 2024 - nature.com
The effects of severe plastic deformation on NiTi alloys' structure and properties have been
extensively studied over the past decades. However, there is a notable lack of systematic …

Effect of hot rolling on microstructure and tribology behaviors of Ti− 50.8 Ni alloy

Y Rui, MA Wei, W Chao, T WANG, Q WANG - Transactions of Nonferrous …, 2021 - Elsevier
We link different microstructures to tribological behaviors of Ti− 50.8 Ni (mole fraction,%) in
reciprocating mode at room temperature (20° C). Hot-rolled alloys with B2 phase exhibit …

Effect of Severe Torsion Deformation on Structure and Properties of Titanium–Nickel Shape Memory Alloy

V Komarov, R Karelin, V Cherkasov, V Yusupov… - Metals, 2023 - mdpi.com
In the present work, the possibility of applying severe torsion deformation (STD) to a bulk
near-equiatomic NiTi shape memory alloy in order to accumulate super-high strain and …

Specific forward/reverse latent heat and martensite fraction measurement during superelastic deformation of nanostructured NiTi wires

HMR de Oliveira, H Louche, END Grassi… - Materials Science and …, 2020 - Elsevier
This study analyses the thermomechanical tensile behaviour of a cold drawn Ti-50.9 at.% Ni
wire submitted to heat treatment at 598 K for 30 min, which is below the recrystallization …

Tribology behaviors of Ti–Ni51. 5 at% shape memory alloy with different microstructures and textures

R Yang, S Li, N Zhang, C Wang, TM Wang, QH Wang - Rare Metals, 2021 - Springer
The microstructure characteristics of TiNi alloy were investigated to elucidate the active
deformation mechanisms during hot rolling and the corresponding tribology performance …