Colossal Elastocaloric Effect in Ferroelastic Ni-Mn-Ti Alloys

Energy-efficient and environment-friendly elastocaloric refrigeration, which is a promising replacement of the conventional vapor-compression refrigeration, requires extraordinary elastocaloric properties. Hitherto the largest elastocaloric effect is obtained in small-size films and wires of the pro...

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Autores: Cong, Daoyong, Xiong, Wenxin, Planes Vila, Antoni, Ren, Yang, Mañosa, Lluís, Cao, Peiyu, Nie, Zhihua, Sun, Xiaoming, Yang, Zhi, Hong, Xiufeng, Wang, Yandong
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2019
País:España
Institución:Universidad de Barcelona
Repositorio:Dipòsit Digital de la UB
OAI Identifier:oai:diposit.ub.edu:2445/192115
Acceso en línea:https://hdl.handle.net/2445/192115
Access Level:acceso abierto
Palabra clave:Aliatges
Termodinàmica
Ciència dels materials
Alloys
Thermodynamics
Materials science
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spelling Colossal Elastocaloric Effect in Ferroelastic Ni-Mn-Ti AlloysCong, DaoyongXiong, WenxinPlanes Vila, AntoniRen, YangMañosa, LluísCao, PeiyuNie, ZhihuaSun, XiaomingYang, ZhiHong, XiufengWang, YandongAliatgesTermodinàmicaCiència dels materialsAlloysThermodynamicsMaterials scienceEnergy-efficient and environment-friendly elastocaloric refrigeration, which is a promising replacement of the conventional vapor-compression refrigeration, requires extraordinary elastocaloric properties. Hitherto the largest elastocaloric effect is obtained in small-size films and wires of the prototype NiTi system. Here, we report a colossal elastocaloric effect, well exceeding that of NiTi alloys, in a class of bulk polycrystalline NiMn-based materials designed with the criterion of simultaneously having large volume change across phase transition and good mechanical properties. The reversible adiabatic temperature change reaches a strikingly high value of 31.5 K and the isothermal entropy change is as large as 45  J kg−1 K−1. The achievement of such a colossal elastocaloric effect in bulk polycrystalline materials should push a significant step forward towards large-scale elastocaloric refrigeration applications. Moreover, our design strategy may inspire the discovery of giant caloric effects in a broad range of ferroelastic materials.American Physical Society2019info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://hdl.handle.net/2445/192115Articles publicats en revistes (Física de la Matèria Condensada)reponame:Dipòsit Digital de la UBinstname:Universidad de BarcelonaInglésReproducció del document publicat a: https://doi.org/10.1103/PhysRevLett.122.255703Physical Review Letters, 2019, vol. 122, p. 255703https://doi.org/10.1103/PhysRevLett.122.255703(c) American Physical Society, 2019info:eu-repo/semantics/openAccessoai:diposit.ub.edu:2445/1921152026-05-27T06:46:51Z
dc.title.none.fl_str_mv Colossal Elastocaloric Effect in Ferroelastic Ni-Mn-Ti Alloys
title Colossal Elastocaloric Effect in Ferroelastic Ni-Mn-Ti Alloys
spellingShingle Colossal Elastocaloric Effect in Ferroelastic Ni-Mn-Ti Alloys
Cong, Daoyong
Aliatges
Termodinàmica
Ciència dels materials
Alloys
Thermodynamics
Materials science
title_short Colossal Elastocaloric Effect in Ferroelastic Ni-Mn-Ti Alloys
title_full Colossal Elastocaloric Effect in Ferroelastic Ni-Mn-Ti Alloys
title_fullStr Colossal Elastocaloric Effect in Ferroelastic Ni-Mn-Ti Alloys
title_full_unstemmed Colossal Elastocaloric Effect in Ferroelastic Ni-Mn-Ti Alloys
title_sort Colossal Elastocaloric Effect in Ferroelastic Ni-Mn-Ti Alloys
dc.creator.none.fl_str_mv Cong, Daoyong
Xiong, Wenxin
Planes Vila, Antoni
Ren, Yang
Mañosa, Lluís
Cao, Peiyu
Nie, Zhihua
Sun, Xiaoming
Yang, Zhi
Hong, Xiufeng
Wang, Yandong
author Cong, Daoyong
author_facet Cong, Daoyong
Xiong, Wenxin
Planes Vila, Antoni
Ren, Yang
Mañosa, Lluís
Cao, Peiyu
Nie, Zhihua
Sun, Xiaoming
Yang, Zhi
Hong, Xiufeng
Wang, Yandong
author_role author
author2 Xiong, Wenxin
Planes Vila, Antoni
Ren, Yang
Mañosa, Lluís
Cao, Peiyu
Nie, Zhihua
Sun, Xiaoming
Yang, Zhi
Hong, Xiufeng
Wang, Yandong
author2_role author
author
author
author
author
author
author
author
author
author
dc.subject.none.fl_str_mv Aliatges
Termodinàmica
Ciència dels materials
Alloys
Thermodynamics
Materials science
topic Aliatges
Termodinàmica
Ciència dels materials
Alloys
Thermodynamics
Materials science
description Energy-efficient and environment-friendly elastocaloric refrigeration, which is a promising replacement of the conventional vapor-compression refrigeration, requires extraordinary elastocaloric properties. Hitherto the largest elastocaloric effect is obtained in small-size films and wires of the prototype NiTi system. Here, we report a colossal elastocaloric effect, well exceeding that of NiTi alloys, in a class of bulk polycrystalline NiMn-based materials designed with the criterion of simultaneously having large volume change across phase transition and good mechanical properties. The reversible adiabatic temperature change reaches a strikingly high value of 31.5 K and the isothermal entropy change is as large as 45  J kg−1 K−1. The achievement of such a colossal elastocaloric effect in bulk polycrystalline materials should push a significant step forward towards large-scale elastocaloric refrigeration applications. Moreover, our design strategy may inspire the discovery of giant caloric effects in a broad range of ferroelastic materials.
publishDate 2019
dc.date.none.fl_str_mv 2019
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv https://hdl.handle.net/2445/192115
url https://hdl.handle.net/2445/192115
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv Reproducció del document publicat a: https://doi.org/10.1103/PhysRevLett.122.255703
Physical Review Letters, 2019, vol. 122, p. 255703
https://doi.org/10.1103/PhysRevLett.122.255703
dc.rights.none.fl_str_mv (c) American Physical Society, 2019
info:eu-repo/semantics/openAccess
rights_invalid_str_mv (c) American Physical Society, 2019
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv American Physical Society
publisher.none.fl_str_mv American Physical Society
dc.source.none.fl_str_mv Articles publicats en revistes (Física de la Matèria Condensada)
reponame:Dipòsit Digital de la UB
instname:Universidad de Barcelona
instname_str Universidad de Barcelona
reponame_str Dipòsit Digital de la UB
collection Dipòsit Digital de la UB
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15.300724

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