Latest advances in development of smart phase change material for soft actuators

F Long, Y Cheng, Y Ren, J Wang, Z Li… - Advanced …, 2022 - Wiley Online Library
Inspired from the nature, soft actuators have been attracting the incremental attention on
account of the benefits in terms of high flexibility and safety for human operators, but material …

Machine learning guided alloy design of high-temperature NiTiHf shape memory alloys

UMHU Kankanamge, J Reiner, X Ma, SC Gallo… - Journal of Materials …, 2022 - Springer
With the increasing use of CubeSats in space exploration, the demand for reliable high-
temperature shape memory alloys (HTSMA) continues to grow. A wide range of HTSMAs …

Effect of rolling on Ni-Ti-Fe shape memory alloys prepared through novel powder metallurgy route

GK Gupta, KK Patel, R Purohit, P Bhagoria - Materials Today: Proceedings, 2017 - Elsevier
This study is concentrated on the preparation of Ni-Ti shape memory alloys with the addition
of different atomic wt.% of iron in place of atomic wt.% of Nickel through novel powder …

Performance of a two-way shape memory microgripper actuator

JS Owusu-Danquah, AF Saleeb… - Journal of Aerospace …, 2018 - ascelibrary.org
A numerical simulation is carried out in this study to assess the performance of a shape
memory microgripper operating under the nonconventional zero-load two-way shape …

Degradation of two-way shape memory effect due to the relaxation of internal oriented stress in NiTi alloy on holding at 640÷ 700 K

I Ponikarova, S Belyaev, N Resnina - Mechanics of Materials, 2019 - Elsevier
This work aims to study the two-way shape memory effect degradation due to stress
relaxation during holding pre-deformed Ni-50.0 at.% Ti alloy at temperatures from a range of …

Quantitative analysis of the microstructure in NiTi wires by synchrotron X-ray diffraction: an approach to the cause of the two way shape memory effect

C Urbina, F Gispert-Guirado, F Ferrando… - Journal of Alloys and …, 2017 - Elsevier
To understand the complex behaviour of the NiTi shape memory alloys, the use of advanced
characterization techniques as Synchrotron X-ray diffraction, becomes more and more …

The role of residual stress states in modeling the cyclic two-way shape memory behavior of high-temperature NiTiPd alloys and actuation components

AF Saleeb, JS Owusu-Danquah - Mechanics of Materials, 2017 - Elsevier
A multi-mechanism, three-dimensional, material model that captures the cyclic training and
subsequent two-way shape memory behaviors of high-temperature ternary NiTiPd material …

Detecting NiTi two-way shape memory effect based on microstructural and macromechanical parameters

C Urbina, F Gispert, F Ferrando… - Materials Science and …, 2019 - journals.sagepub.com
The two-way shape memory effect in NiTi shape memory alloys is identified according to the
evolution of the apparent modulus of the martensite during mechanical cycling. The …

Comportamento termomecânico de minimolas superelásticas de NiTi: Influência de tratamentos térmicos.

END Grassi - 2014 - dspace.sti.ufcg.edu.br
RESUMO As Ligas com Memória de Forma (LMF) são um importante grupo de materiais
metálicos ativos que respondem a estímulos termomecânicos por meio dos fenômenos do …

Actuator response of improved two-way memory TiNi wires evaluated by weight fraction diagrams

C Urbina, S De la Flor, F Gispert-Guirado… - Journal of materials …, 2014 - Springer
This paper experimentally studies the improvement in the actuator response of TiNi shape
memory wires brought about by thermal treatments. Heat-treated TiNi wires were thermally …