Tailoring Grain Size and Precipitation via Aging for Improved Elastocaloric Stability in a Cold-Rolled (Ni,Cu)-Rich Ti–Ni–Cu Alloy

Dang, Pengfei; Zhou, Yumei; Ding, Xiangdong; Sun, Jun; Lookman, Turab; Xue, Dezhen

doi:10.1007/s40830-023-00419-z

Cited by 3 publications

(1 citation statement)

References 59 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…It would evoke a significant stress concentration due to strain incompatibility between the already transformed martensite grain and untransformed austenite grain. [28] The follow-up transformation is then easier to be triggered near the priorly transformed grain, leading to the formation and propagation of Lüders-like strain band, [29,30] as shown in Figure 4b-d.…”

Section: In Situ Digital Image Correlation Observation Of Strain Resp...mentioning

confidence: 99%

Nanostructured Ti–Ni–Co Alloys Showing Shape‐Memory Actuation of Large Work Output at Low Temperature

Dang,

Zhang,

Zhou

et al. 2023

Adv Eng Mater

Self Cite

View full text Add to dashboard Cite

In the present study, by combining the effect of point defect doping and nanostructure, we developed low‐temperature Ti49.2Ni50.8−xCox shape memory alloys showing good actuation property. The doping of Co into Ti‐Ni host alloy suppresses the martensitic transformation to lower temperature. By post‐deformation annealing, the partially recrystallized state containing dense dislocations and nanoprecipitates is achieved. And this remarkably strengthens the matrix to avoid irreversible strain under large external load. A Ti49.2Ni44.8Co6 alloy thereby exhibits a recoverable actuation strain of 4.5% under biased tensile stress of 800 MPa at temperatures below −50∘C. The work output up to 36MJ/m3 outperforms most shape memory alloys, showing a promise for low‐temperature actuator applications.This article is protected by copyright. All rights reserved.

show abstract

Section: In Situ Digital Image Correlation Observation Of Strain Resp...mentioning

confidence: 99%

Nanostructured Ti–Ni–Co Alloys Showing Shape‐Memory Actuation of Large Work Output at Low Temperature

Dang,

Zhang,

Zhou

et al. 2023

Adv Eng Mater

Self Cite

View full text Add to dashboard Cite

show abstract

Effect of suction casting and thermomechanical processing on the microstructure and martensitic transformation of a TiNiCuNb shape memory alloy

Dornelas Silva,

Ichihara Sado,

Arruda Santos

et al. 2024

Intermetallics

View full text Add to dashboard Cite

Pulsed electric current annealing of (Ni,Cu)-rich Ti49Ni41Cu10 shape memory wire for superior superelasticity and stable elastocaloric cooling effect

Cheng,

Chen

2024

Journal of Alloys and Compounds

View full text Add to dashboard Cite

Tailoring Grain Size and Precipitation via Aging for Improved Elastocaloric Stability in a Cold-Rolled (Ni,Cu)-Rich Ti–Ni–Cu Alloy

Cited by 3 publications

References 59 publications

Nanostructured Ti–Ni–Co Alloys Showing Shape‐Memory Actuation of Large Work Output at Low Temperature

Nanostructured Ti–Ni–Co Alloys Showing Shape‐Memory Actuation of Large Work Output at Low Temperature

Effect of suction casting and thermomechanical processing on the microstructure and martensitic transformation of a TiNiCuNb shape memory alloy

Pulsed electric current annealing of (Ni,Cu)-rich Ti49Ni41Cu10 shape memory wire for superior superelasticity and stable elastocaloric cooling effect

Contact Info

Product

Resources

About