[HTML][HTML] Recent developments on the cyclic stability in elastocaloric materials

M Imran, X Zhang - Materials & Design, 2020 - Elsevier
Solid-state cooling based on elastocaloric effect (eCE), ie, a temperature change coupled to
an applied uniaxial stress in elastocaloric materials (eCMs), is an emerging refrigeration …

Surface integrity aspects for NiTi shape memory alloys during wire electric discharge machining: a review

H Bisaria, P Shandilya - Journal of Materials Research, 2020 - cambridge.org
NiTi shape memory alloys (SMAs) are extensively used in various significant areas such as
aerospace industries, biomedical sector, automobile industries, and robotics field because …

Flexible and tough superelastic Co–Cr alloys for biomedical applications

T Odaira, S Xu, K Hirata, X Xu, T Omori… - Advanced …, 2022 - Wiley Online Library
The demand for biomaterials has been increasing along with the increase in the population
of elderly people worldwide. The mechanical properties and high wear resistance of metallic …

[HTML][HTML] Development of a constitutive model considering functional fatigue and pre-stretch in shape memory alloy wires

LA Woodworth, F Lohse, K Kopelmann, C Cherif… - International Journal of …, 2022 - Elsevier
Shape memory alloy (SMA) wires integrate functionality into composites and encourage the
design and creation of adaptable smart structures. Upon the application of cyclic loading …

Effects of aging on the stress-induced martensitic transformation and cyclic superelastic properties in Co-Ni-Ga shape memory alloy single crystals under compression

C Lauhoff, A Reul, D Langenkämper, P Krooß… - Acta Materialia, 2022 - Elsevier
Abstract Co-Ni-Ga shape memory alloys attracted scientific attention as promising candidate
materials for damping applications at elevated temperatures, owing to excellent superelastic …

Additive manufacturing of Co-Ni-Ga high-temperature shape memory alloy: processability and phase transformation behavior

C Lauhoff, A Fischer, C Sobrero, A Liehr… - … Materials Transactions A, 2020 - Springer
Abstract Co-Ni-Ga high-temperature shape memory alloy is additively processed by
selective laser melting for the first time. Reversible martensitic transformation of the as-built …

Transformation stress modeling in new FeMnAlNi shape memory alloy

A Ojha, H Sehitoglu - International Journal of Plasticity, 2016 - Elsevier
We investigate the bcc-fcc transformation in the new shape memory alloy FeMnAlNi utilizing
density functional theory calculations for double shear. We formulate an energy expression …

Hot extrusion approach to enhance the cyclic stability of elastocaloric effect in polycrystalline Ni-Mn-Ga alloys

L Wei, X Zhang, W Gan, C Ding, L Geng - Scripta Materialia, 2019 - Elsevier
Cyclic stability is vital for the application of the elastocaloric effect. We demonstrated here
the enhanced cyclic stability in a Ni 50.4 Mn 27.3 Ga 22.3 alloy via hot extrusion. The fine …

Excellent superelasticity in a Co-Ni-Ga high-temperature shape memory alloy processed by directed energy deposition

C Lauhoff, N Sommer, M Vollmer… - Materials Research …, 2020 - Taylor & Francis
ABSTRACT A Co-Ni-Ga high-temperature shape memory alloy has been additively
manufactured by directed energy deposition. Due to the highly anisotropic microstructure, ie …

A temperature dependent constitutive model for functional fatigue in shape memory alloys

LA Woodworth, M Kaliske - Mechanics of Materials, 2022 - Elsevier
Functional fatigue is a vital aspect when considering the design of components made with
shape memory alloys, since it can affect their short-and long-term behavior. With this in …