Realization of Large Low-Stress Elastocaloric Effect in TiZrNbAl Alloy
Seeking novel high-performance elastocaloric materials with low critical stress plays a crucial role in advancing the development of elastocaloric refrigeration technology. Here, as a first attempt, the elastocaloric effect of TiZrNbAl shape memory alloy at both room temperature and finite temperatu...
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MDPI AG
2024-02-01
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| Online Access: | https://www.mdpi.com/1996-1944/17/4/885 |
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| author | Bang-He Lv Hua-You Xiang Shang Gao Yan-Xin Guo Jin-Han Yang Nai-Fu Zou Xiaoli Zhao Zongbin Li Bo Yang Nan Jia Hai-Le Yan Liang Zuo |
| author_facet | Bang-He Lv Hua-You Xiang Shang Gao Yan-Xin Guo Jin-Han Yang Nai-Fu Zou Xiaoli Zhao Zongbin Li Bo Yang Nan Jia Hai-Le Yan Liang Zuo |
| author_sort | Bang-He Lv |
| collection | DOAJ |
| description | Seeking novel high-performance elastocaloric materials with low critical stress plays a crucial role in advancing the development of elastocaloric refrigeration technology. Here, as a first attempt, the elastocaloric effect of TiZrNbAl shape memory alloy at both room temperature and finite temperatures ranging from 245 K to 405 K, is studied systematically. Composition optimization shows that Ti-19Zr-14Nb-1Al (at.%), possessing excellent room-temperature superelasticity with a critical stress of around 100 MPa and a small stress hysteresis of around 70 MPa and outstanding fracture resistance with a compressive strain of 20% and stress of 1.7 GPa, demonstrates a substantial advantage as an elastocaloric refrigerant. At room temperature, a large adiabatic temperature change (<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mo>Δ</mo><msub><mi>T</mi><mrow><mi>ad</mi></mrow></msub></mrow></semantics></math></inline-formula>) of −6.7 K is detected, which is comparable to the highest value reported in the Ti-based alloys. A high elastocaloric cyclic stability, with almost no degradation of <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mo>Δ</mo><msub><mi>T</mi><mrow><mi>ad</mi></mrow></msub></mrow></semantics></math></inline-formula> after 4000 cycles, is observed. Furthermore, the sizeable elastocaloric effect can be steadily expanded from 255 K to 395 K with a temperature window of as large as 140 K. A maximum <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mo>Δ</mo><msub><mi>T</mi><mi>ad</mi></msub></mrow></semantics></math></inline-formula> of −7.9 K appears at 355 K. The present work demonstrates a promising potential of TiZrNbAl as a low critical stress and low hysteresis elastocaloric refrigerant. |
| first_indexed | 2024-03-07T22:23:13Z |
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| id | doaj.art-d6f08c40fb0c471489053242c7780d6b |
| institution | Directory Open Access Journal |
| issn | 1996-1944 |
| language | English |
| last_indexed | 2024-03-07T22:23:13Z |
| publishDate | 2024-02-01 |
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| spelling | doaj.art-d6f08c40fb0c471489053242c7780d6b2024-02-23T15:25:40ZengMDPI AGMaterials1996-19442024-02-0117488510.3390/ma17040885Realization of Large Low-Stress Elastocaloric Effect in TiZrNbAl AlloyBang-He Lv0Hua-You Xiang1Shang Gao2Yan-Xin Guo3Jin-Han Yang4Nai-Fu Zou5Xiaoli Zhao6Zongbin Li7Bo Yang8Nan Jia9Hai-Le Yan10Liang Zuo11Key Laboratory for Anisotropy and Texture of Materials (Ministry of Education), School of Material Science and Engineering, Northeastern University, Shenyang 110819, ChinaKey Laboratory for Anisotropy and Texture of Materials (Ministry of Education), School of Material Science and Engineering, Northeastern University, Shenyang 110819, ChinaKey Laboratory for Anisotropy and Texture of Materials (Ministry of Education), School of Material Science and Engineering, Northeastern University, Shenyang 110819, ChinaKey Laboratory for Anisotropy and Texture of Materials (Ministry of Education), School of Material Science and Engineering, Northeastern University, Shenyang 110819, ChinaKey Laboratory for Anisotropy and Texture of Materials (Ministry of Education), School of Material Science and Engineering, Northeastern University, Shenyang 110819, ChinaInstitute of Materials Science and Engineering, Shenyang Aerospace University, Shenyang 110136, ChinaKey Laboratory for Anisotropy and Texture of Materials (Ministry of Education), School of Material Science and Engineering, Northeastern University, Shenyang 110819, ChinaKey Laboratory for Anisotropy and Texture of Materials (Ministry of Education), School of Material Science and Engineering, Northeastern University, Shenyang 110819, ChinaKey Laboratory for Anisotropy and Texture of Materials (Ministry of Education), School of Material Science and Engineering, Northeastern University, Shenyang 110819, ChinaKey Laboratory for Anisotropy and Texture of Materials (Ministry of Education), School of Material Science and Engineering, Northeastern University, Shenyang 110819, ChinaKey Laboratory for Anisotropy and Texture of Materials (Ministry of Education), School of Material Science and Engineering, Northeastern University, Shenyang 110819, ChinaKey Laboratory for Anisotropy and Texture of Materials (Ministry of Education), School of Material Science and Engineering, Northeastern University, Shenyang 110819, ChinaSeeking novel high-performance elastocaloric materials with low critical stress plays a crucial role in advancing the development of elastocaloric refrigeration technology. Here, as a first attempt, the elastocaloric effect of TiZrNbAl shape memory alloy at both room temperature and finite temperatures ranging from 245 K to 405 K, is studied systematically. Composition optimization shows that Ti-19Zr-14Nb-1Al (at.%), possessing excellent room-temperature superelasticity with a critical stress of around 100 MPa and a small stress hysteresis of around 70 MPa and outstanding fracture resistance with a compressive strain of 20% and stress of 1.7 GPa, demonstrates a substantial advantage as an elastocaloric refrigerant. At room temperature, a large adiabatic temperature change (<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mo>Δ</mo><msub><mi>T</mi><mrow><mi>ad</mi></mrow></msub></mrow></semantics></math></inline-formula>) of −6.7 K is detected, which is comparable to the highest value reported in the Ti-based alloys. A high elastocaloric cyclic stability, with almost no degradation of <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mo>Δ</mo><msub><mi>T</mi><mrow><mi>ad</mi></mrow></msub></mrow></semantics></math></inline-formula> after 4000 cycles, is observed. Furthermore, the sizeable elastocaloric effect can be steadily expanded from 255 K to 395 K with a temperature window of as large as 140 K. A maximum <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mo>Δ</mo><msub><mi>T</mi><mi>ad</mi></msub></mrow></semantics></math></inline-formula> of −7.9 K appears at 355 K. The present work demonstrates a promising potential of TiZrNbAl as a low critical stress and low hysteresis elastocaloric refrigerant.https://www.mdpi.com/1996-1944/17/4/885shape memory alloyelastocaloric effectTiZrNbAlsuperelasticitysolid-state refrigeration |
| spellingShingle | Bang-He Lv Hua-You Xiang Shang Gao Yan-Xin Guo Jin-Han Yang Nai-Fu Zou Xiaoli Zhao Zongbin Li Bo Yang Nan Jia Hai-Le Yan Liang Zuo Realization of Large Low-Stress Elastocaloric Effect in TiZrNbAl Alloy Materials shape memory alloy elastocaloric effect TiZrNbAl superelasticity solid-state refrigeration |
| title | Realization of Large Low-Stress Elastocaloric Effect in TiZrNbAl Alloy |
| title_full | Realization of Large Low-Stress Elastocaloric Effect in TiZrNbAl Alloy |
| title_fullStr | Realization of Large Low-Stress Elastocaloric Effect in TiZrNbAl Alloy |
| title_full_unstemmed | Realization of Large Low-Stress Elastocaloric Effect in TiZrNbAl Alloy |
| title_short | Realization of Large Low-Stress Elastocaloric Effect in TiZrNbAl Alloy |
| title_sort | realization of large low stress elastocaloric effect in tizrnbal alloy |
| topic | shape memory alloy elastocaloric effect TiZrNbAl superelasticity solid-state refrigeration |
| url | https://www.mdpi.com/1996-1944/17/4/885 |
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