[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 …

Effects of microstructure and composition on constitutive response of high temperature shape memory alloys: Micromechanical modeling using 3-D reconstructions …

JK Joy, T Umale, D Zhao, A Solomou, K Xie, I Karaman… - Acta Materialia, 2022 - Elsevier
NiTiHf alloys are high temperature Shape Memory Alloys (SMAs) suitable for actuation
applications in a wide range of temperatures. Aging heat treatments in NiTiHf SMAs cause …

Characterization of thermomechanically processed high-temperature Ni-lean NiTi–20 at.% Hf shape memory wires

NA Ley, RW Wheeler, O Benafan, ML Young - Shape Memory and …, 2019 - Springer
The thermomechanical processability of Ti (Hf)-rich Ni 49.8 Ti 30.2 Hf 20 (at.%) high-
temperature shape memory alloy (HTSMA) wires was examined. Hot-extruded rods with an …

Compositional Changes of H-phase Precipitates in NiTiHf Shape Memory Alloys using Atom Probe Tomography

F Gantz, SR Cooper, JD Smith, ML Young - Scripta Materialia, 2024 - Elsevier
Chemical analysis of shape memory alloys (SMAs) is critically important to characterization
due to the high compositional sensitivity of shape memory properties. Chemical analytical …

Predicting the constitutive response of precipitation hardened NiTiHf

JK Joy, A Solomou, T Baxevanis… - … and Mechanics of …, 2017 - spiedigitallibrary.org
Current efforts towards the identification of suitable processing parameters of shape memory
alloys (SMAs) that enhance their actuation performance, are based on semi-empirical …

Micromechanical modeling of precipitation hardened nitihf

JK Joy, A Solomou, T Baxevanis, I Karaman… - Materials Science …, 2018 - Trans Tech Publ
Actuation response of NiTiHf high temperature SMAs can be enhanced by means of suitable
heat treatment on the material through precipitation hardening. Heat treatments can be …

[引用][C] Micromechanical Modeling of Precipitated NiTiHf Shape Memory Alloys