Entropy Change during Martensitic Transformation in Ni50-xCoxMn50-yAly Metamagnetic Shape Memory Alloys

Xiao Xu, Wataru Ito, Takeshi Kanomata, Ryosuke Kainuma

研究成果: Article査読

11 被引用数 (Scopus)

抄録

Specific heat was systematically measured by the heat flow method in Ni50-xCoxMn50-yAly metamagnetic shape memory alloys near the martensitic transformation temperatures. Martensitic transformation and ferromagnetic-paramagnetic transition for the parent phase were directly observed via the specific heat measurements. On the basis of the experimental results, the entropy change was estimated and it was found to show an abrupt decrease below the Curie temperature. The results were found to be consistent with those of earlier studies on Ni-Co-Mn-Al alloys.

本文言語English
ページ(範囲)1808-1818
ページ数11
ジャーナルEntropy
16
3
DOI
出版ステータスPublished - 2014 3月

ASJC Scopus subject areas

  • 物理学および天文学(全般)

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