Welding and joining of NiTi shape memory alloys: a review

JP Oliveira, RM Miranda, FMB Fernandes - Progress in Materials Science, 2017 - Elsevier
NiTi is an increasingly applied material in industrial applications. However, the difficulties
faced when welding and joining is required, limits its broader use in the production of …

Bending properties of a new nickel-titanium alloy with a lower percent by weight of nickel

L Testarelli, G Plotino, D Al-Sudani, V Vincenzi… - Journal of …, 2011 - Elsevier
INTRODUCTION: The aim of the present study was to evaluate the bending properties of
Hyflex instruments, which exhibit a lower percent in weight of nickel (52 Ni% wt) and …

A metallurgical characterization of ten endodontic Ni‐Ti instruments: assessing the clinical relevance of shape memory and superelastic properties of Ni‐Ti endodontic …

S Zinelis, T Eliades, G Eliades - International endodontic …, 2010 - Wiley Online Library
Zinelis S, Eliades T, Eliades G. A metallurgical characterization of ten endodontic Ni‐Ti
instruments: assessing the clinical relevance of shape memory and superelastic properties …

Evolution of transformation characteristics with heating/cooling rate in NiTi shape memory alloys

K Nurveren, A Akdoğan, WM Huang - Journal of materials processing …, 2008 - Elsevier
The martensitic transformation behavior, morphology and transition temperatures in NiTi-
based shape memory alloys (SMAs) are strongly influenced by thermo-mechanical …

Dynamic recovery and dynamic recrystallization of NiTi shape memory alloy under hot compression deformation

S Jiang, Y Zhang, Y Zhao - Transactions of Nonferrous Metals Society of …, 2013 - Elsevier
Mechanical behavior of nickel–titanium shape memory alloy (NiTi SMA) under hot
deformation was investigated according to the true stress—strain curves of NiTi samples …

Evolution of microstructure and property of NiTi alloy induced by cold rolling

Y Li, JY Li, M Liu, YY Ren, F Chen, GC Yao… - Journal of Alloys and …, 2015 - Elsevier
We investigated the combination effect of plastic deformation and phase transformation on
the evolution of microstructure and property of NiTi alloy. Samples of Ni 50.9 Ti 49.1 alloy …

Simulation of dynamic recrystallization of NiTi shape memory alloy during hot compression deformation based on cellular automaton

Y Zhang, S Jiang, Y Liang, L Hu - Computational materials science, 2013 - Elsevier
Dynamic recrystallization (DRX) occurs in NiTi alloy during compression deformation at the
strain rates of 0.001–1s− 1 and at the temperatures of 800–1000° C. Cellular automaton …

Resistance microwelding of Ti-55.8 wt pct Ni nitinol wires and the effects of pseudoelasticity

B Tam, A Pequegnat, MI Khan, Y Zhou - Metallurgical and Materials …, 2012 - Springer
Nitinol has revolutionized many traditional engineering designs with its unique properties
that include pseudoelasticity and the shape-memory effect (SME). However, the general lack …

Influence of cooling rate on phase transformation and microstructure of Ti-50.9% Ni shape memory alloy

Y ZHANG, S JIANG, Y ZHAO, T Ming - Transactions of Nonferrous Metals …, 2012 - Elsevier
Heat treatment of Ti-50.9% Ni (mole fraction) alloy was studied by differential scanning
calorimetry, X-ray diffraction, scanning electron microscopey and energy dispersive X-ray …

Ultrasonic spot welded NiTi joints using an aluminum interlayer: Microstructure and mechanical behavior

C Li, S Ao, JP Oliveira, M Cheng, Z Zeng, H Cui… - Journal of Manufacturing …, 2020 - Elsevier
NiTi shape memory alloys were successfully joined by ultrasonic spot welding (USW) using
an aluminum interlayer. The microstructural phase transition and the mechanical properties …