Enhanced barocaloric effect for Pd-In-Fe shape memory alloys with hydrostatic-pressure training
文献类型:期刊论文
作者 | Liu, Yanfeng; Shen, Qi; Wei, Zhiyang; Sun, Wen; Chen, Fenghua; Liu, Jian |
刊名 | JOURNAL OF APPLIED PHYSICS
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出版日期 | 2020 |
卷号 | 127期号:5 |
关键词 | MARTENSITIC-TRANSFORMATION GIANT |
DOI | 10.1063/1.5129659 |
英文摘要 | The influence of hydrostatic-pressure training on barocaloric effects (BCEs) has been investigated for the Pd59.3In23.2Fe17.5 shape memory alloy. We demonstrate that the shift of the martensitic transformation temperature by the applied pressure (dT(m)/dp) could be significantly improved from 11 K to 21 K GPa(-1) by hydrostatic-pressure training. By using an indirect method of the magnetic measurement under an external pressure to determine the barocaloric effect, the entropy change for the Pd59.3In23.2Fe17.5 alloy increases from 15 to 16 J kg(-1) K-1 after hydrostatic-pressure training. The alloy also exhibits a wider working window and a larger refrigeration capacity (from 113 to 171 J kg(-1)) after pressure training. Moreover, the maximum reversible entropy change Delta S-rev increases from 3 J kg(-1) K-1 to 8 J kg(-1) K-1 and the reversible RC increases from 11 J kg(-1) to 50 J kg(-1) by hydrostatic-pressure training. The hydrostatic-pressure training is a feasible approach to obtain an improved realistic BCE by a lower pressure. |
学科主题 | Physics |
源URL | [http://ir.nimte.ac.cn/handle/174433/19995] ![]() |
专题 | 2020专题 2020专题_期刊论文 |
作者单位 | 1.Liu, J (corresponding author), Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, CAS Key Lab Magnet Mat & Devices, Ningbo 315201, Peoples R China. 2.Liu, J (corresponding author), Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, Zhejiang Prov Key Lab Magnet Mat & Applicat Techn, Ningbo 315201, Peoples R China. 3.Liu, J (corresponding author), Univ Chinese Acad Sci, Coll Mat Sci & Optoelect Technol, 19 A Yuquan Rd, Beijing 100049, Peoples R China. 4.Liu, J (corresponding author), Univ Chinese Acad Sci, Ctr Mat Sci & Optoelect Engn, Beijing 100049, Peoples R China. |
推荐引用方式 GB/T 7714 | Liu, Yanfeng,Shen, Qi,Wei, Zhiyang,et al. Enhanced barocaloric effect for Pd-In-Fe shape memory alloys with hydrostatic-pressure training[J]. JOURNAL OF APPLIED PHYSICS,2020,127(5). |
APA | Liu, Yanfeng,Shen, Qi,Wei, Zhiyang,Sun, Wen,Chen, Fenghua,&Liu, Jian.(2020).Enhanced barocaloric effect for Pd-In-Fe shape memory alloys with hydrostatic-pressure training.JOURNAL OF APPLIED PHYSICS,127(5). |
MLA | Liu, Yanfeng,et al."Enhanced barocaloric effect for Pd-In-Fe shape memory alloys with hydrostatic-pressure training".JOURNAL OF APPLIED PHYSICS 127.5(2020). |
入库方式: OAI收割
来源:宁波材料技术与工程研究所
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