Stress modulated martensitic transition and magnetocaloric effect in hexagonal Ni2In-type MnCoGe1-xInx alloys

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作者：

机构：

[1] Liu, Y.

[2] Shen, F.R.

[3] Zhang, M.

[4] Bao, L.F.

[5] Wu, R.R.

[6] Zhao, Y.Y.

[7] Hu, F.X.

[8] Wang, J.

[9] Zuo, W.L.

[10] Sun, J.R.

[11] Shen, B.G.

来源：

Hu, F.X. (fxhu@iphy.ac.cn) | 1600年 / Elsevier Ltd卷 / 649期

关键词：

Abstract Effects of residual strain on martensitic transition and magnetocaloric effect have been studied in hexagonal Ni2In-type MnCoGe1-xInx alloys; which were prepared by using conventional arc-melting technique. Our studies indicated that the introduction of residual strain in the thin slices prepared by cold pressing can stabilize the austenite phase; broaden the temperature range of martensitic transition; and decouple the magnetic and structural transition in some extent. As a result; the magnetic entropy change is reduced; but the refrigerating temperature window can be expanded to 54 K or 73 K and the refrigerating capacity is remarkably increased. © 2015 Published by Elsevier B.V;

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Journal article (JA)

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