Near room temperature LaFe₁₁.₆Si₁.₄/PrₓCo₇ magnetocaloric composites with excellent mechanical and thermal properties
LaFe11.6Si1.4/10wt%PrxCo7 (x = 1, 2, 3, 5) magnetocaloric composites were prepared by spark plasma sintering (SPS) and diffusion annealing. The phase composition, microstructure, magnetic, mechanical and thermal properties were studied. The addition of PrxCo7 binder can be used to tune the phase fra...
| Main Authors: | , , , , , , , , , , |
|---|---|
| Other Authors: | |
| Format: | Journal Article |
| Language: | English |
| Published: |
2023
|
| Subjects: | |
| Online Access: | https://hdl.handle.net/10356/164025 |
| _version_ | 1811691498190667776 |
|---|---|
| author | Zhong, Xichun Li, Yuanxin Wu, Simeng Wu, Yucai Huang, Jiaohong Liu, Cuilan Yu, Hongya Liu, Zhongwu Zhong, Minglong Zhong, Zhenchen Ramanujan, Raju V. |
| author2 | School of Materials Science and Engineering |
| author_facet | School of Materials Science and Engineering Zhong, Xichun Li, Yuanxin Wu, Simeng Wu, Yucai Huang, Jiaohong Liu, Cuilan Yu, Hongya Liu, Zhongwu Zhong, Minglong Zhong, Zhenchen Ramanujan, Raju V. |
| author_sort | Zhong, Xichun |
| collection | NTU |
| description | LaFe11.6Si1.4/10wt%PrxCo7 (x = 1, 2, 3, 5) magnetocaloric composites were prepared by spark plasma sintering (SPS) and diffusion annealing. The phase composition, microstructure, magnetic, mechanical and thermal properties were studied. The addition of PrxCo7 binder can be used to tune the phase fraction and magnetic properties. Pr2Co7 binder promoted the formation of 1:13 phase. LaFe11.6Si1.4/10wt%Pr2Co7 composites possess the highest 1:13 content (~ 89 wt%). The Curie temperature (TC) can be tuned in the technologically useful range of 280–347 K. Relatively large maximum magnetic entropy change (− ∆SM)max (2 T) of 1.45−3.16 J/kg K and refrigeration capacity (RC) (2 T) of 117–137 J/kg were obtained. These composites exhibit superior compressive strength of 1005–1250 MPa and excellent thermal conductivity of 17.68–27.77 W/m K. Thus, LaFe11.6Si1.4/10wt%PrxCo7 magnetocaloric composites possess excellent mechanical and thermal properties, with adjustable magnetic properties and have the potential application for near room temperature magnetic refrigeration. |
| first_indexed | 2024-10-01T06:20:51Z |
| format | Journal Article |
| id | ntu-10356/164025 |
| institution | Nanyang Technological University |
| language | English |
| last_indexed | 2024-10-01T06:20:51Z |
| publishDate | 2023 |
| record_format | dspace |
| spelling | ntu-10356/1640252023-01-03T02:58:29Z Near room temperature LaFe₁₁.₆Si₁.₄/PrₓCo₇ magnetocaloric composites with excellent mechanical and thermal properties Zhong, Xichun Li, Yuanxin Wu, Simeng Wu, Yucai Huang, Jiaohong Liu, Cuilan Yu, Hongya Liu, Zhongwu Zhong, Minglong Zhong, Zhenchen Ramanujan, Raju V. School of Materials Science and Engineering Engineering::Materials Magnetic Entropy Change Phase-Formation LaFe11.6Si1.4/10wt%PrxCo7 (x = 1, 2, 3, 5) magnetocaloric composites were prepared by spark plasma sintering (SPS) and diffusion annealing. The phase composition, microstructure, magnetic, mechanical and thermal properties were studied. The addition of PrxCo7 binder can be used to tune the phase fraction and magnetic properties. Pr2Co7 binder promoted the formation of 1:13 phase. LaFe11.6Si1.4/10wt%Pr2Co7 composites possess the highest 1:13 content (~ 89 wt%). The Curie temperature (TC) can be tuned in the technologically useful range of 280–347 K. Relatively large maximum magnetic entropy change (− ∆SM)max (2 T) of 1.45−3.16 J/kg K and refrigeration capacity (RC) (2 T) of 117–137 J/kg were obtained. These composites exhibit superior compressive strength of 1005–1250 MPa and excellent thermal conductivity of 17.68–27.77 W/m K. Thus, LaFe11.6Si1.4/10wt%PrxCo7 magnetocaloric composites possess excellent mechanical and thermal properties, with adjustable magnetic properties and have the potential application for near room temperature magnetic refrigeration. This work was supported by the Guangzhou Municipal Science and Technology Project (Grant No. 201904010030); the Natural Science Foundation of Guangdong Province (Grant No. 2022A1515012578, 2019A1515010970); the National Natural Science Foundation of China (Grant Nos. 51874143, 52066001); the Foundation of State Key Laboratory of Baiyunobo Rare Earth Resource Researches and Comprehensive Utilization (Grant No. 2020Z2218). 2023-01-03T02:58:29Z 2023-01-03T02:58:29Z 2022 Journal Article Zhong, X., Li, Y., Wu, S., Wu, Y., Huang, J., Liu, C., Yu, H., Liu, Z., Zhong, M., Zhong, Z. & Ramanujan, R. V. (2022). Near room temperature LaFe₁₁.₆Si₁.₄/PrₓCo₇ magnetocaloric composites with excellent mechanical and thermal properties. Journal of Materials Science, 57(24), 11253-11264. https://dx.doi.org/10.1007/s10853-022-07296-4 0022-2461 https://hdl.handle.net/10356/164025 10.1007/s10853-022-07296-4 2-s2.0-85131581227 24 57 11253 11264 en Journal of Materials Science © 2022 The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature. All rights reserved. |
| spellingShingle | Engineering::Materials Magnetic Entropy Change Phase-Formation Zhong, Xichun Li, Yuanxin Wu, Simeng Wu, Yucai Huang, Jiaohong Liu, Cuilan Yu, Hongya Liu, Zhongwu Zhong, Minglong Zhong, Zhenchen Ramanujan, Raju V. Near room temperature LaFe₁₁.₆Si₁.₄/PrₓCo₇ magnetocaloric composites with excellent mechanical and thermal properties |
| title | Near room temperature LaFe₁₁.₆Si₁.₄/PrₓCo₇ magnetocaloric composites with excellent mechanical and thermal properties |
| title_full | Near room temperature LaFe₁₁.₆Si₁.₄/PrₓCo₇ magnetocaloric composites with excellent mechanical and thermal properties |
| title_fullStr | Near room temperature LaFe₁₁.₆Si₁.₄/PrₓCo₇ magnetocaloric composites with excellent mechanical and thermal properties |
| title_full_unstemmed | Near room temperature LaFe₁₁.₆Si₁.₄/PrₓCo₇ magnetocaloric composites with excellent mechanical and thermal properties |
| title_short | Near room temperature LaFe₁₁.₆Si₁.₄/PrₓCo₇ magnetocaloric composites with excellent mechanical and thermal properties |
| title_sort | near room temperature lafe₁₁ ₆si₁ ₄ prₓco₇ magnetocaloric composites with excellent mechanical and thermal properties |
| topic | Engineering::Materials Magnetic Entropy Change Phase-Formation |
| url | https://hdl.handle.net/10356/164025 |
| work_keys_str_mv | AT zhongxichun nearroomtemperaturelafe116si14prxco7magnetocaloriccompositeswithexcellentmechanicalandthermalproperties AT liyuanxin nearroomtemperaturelafe116si14prxco7magnetocaloriccompositeswithexcellentmechanicalandthermalproperties AT wusimeng nearroomtemperaturelafe116si14prxco7magnetocaloriccompositeswithexcellentmechanicalandthermalproperties AT wuyucai nearroomtemperaturelafe116si14prxco7magnetocaloriccompositeswithexcellentmechanicalandthermalproperties AT huangjiaohong nearroomtemperaturelafe116si14prxco7magnetocaloriccompositeswithexcellentmechanicalandthermalproperties AT liucuilan nearroomtemperaturelafe116si14prxco7magnetocaloriccompositeswithexcellentmechanicalandthermalproperties AT yuhongya nearroomtemperaturelafe116si14prxco7magnetocaloriccompositeswithexcellentmechanicalandthermalproperties AT liuzhongwu nearroomtemperaturelafe116si14prxco7magnetocaloriccompositeswithexcellentmechanicalandthermalproperties AT zhongminglong nearroomtemperaturelafe116si14prxco7magnetocaloriccompositeswithexcellentmechanicalandthermalproperties AT zhongzhenchen nearroomtemperaturelafe116si14prxco7magnetocaloriccompositeswithexcellentmechanicalandthermalproperties AT ramanujanrajuv nearroomtemperaturelafe116si14prxco7magnetocaloriccompositeswithexcellentmechanicalandthermalproperties |