MAGNETIC ENTROPY OF THE MIXED AND SINTERED COMPOUND OF THE RAl//2 SYSTEM.

T. Kuzuhara; H. Wakabayashi; K. Matsumoto; T. Hashimoto; M. Sahashi; K. Inomata; A. Tomokiyo; H. Yayama

MAGNETIC ENTROPY OF THE MIXED AND SINTERED COMPOUND OF THE RAl//2 SYSTEM.

T. Kuzuhara, H. Wakabayashi, K. Matsumoto, T. Hashimoto, M. Sahashi, K. Inomata, A. Tomokiyo, H. Yayama

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

The magnetic refrigerant for the Ericsson type magnetic refrigerator should have a constant magnetic entropy difference DELTA S//J between two constant magnetic field processes. However, the magnetic entropy change of an homogeneous ferromagnet exhibits a sharp peak at the Curie temperature. In the present investigation we have succeeded to make the layer structural sintered composite composed of several kinds of RAl//2 compounds having large entropy change near their Curie temperatures and made clear that this composite has the constant DELTA S//J in the wide temperature range suitable for the Ericsson cycle.

Original language	English
Title of host publication	Proceedings of the International Cryogenic Engineering Conference
Editors	Gustav Klipping, Ingrid Klipping
Publisher	Engl
Pages	280-284
Number of pages	5
ISBN (Print)	0408012587
Publication status	Published - 1986
Externally published	Yes

Publication series

Name	Proceedings of the International Cryogenic Engineering Conference
ISSN (Print)	0308-5422

All Science Journal Classification (ASJC) codes

Engineering(all)

Cite this

Kuzuhara, T., Wakabayashi, H., Matsumoto, K., Hashimoto, T., Sahashi, M., Inomata, K., Tomokiyo, A., & Yayama, H. (1986). MAGNETIC ENTROPY OF THE MIXED AND SINTERED COMPOUND OF THE RAl//2 SYSTEM. In G. Klipping, & I. Klipping (Eds.), Proceedings of the International Cryogenic Engineering Conference (pp. 280-284). (Proceedings of the International Cryogenic Engineering Conference). Engl.

MAGNETIC ENTROPY OF THE MIXED AND SINTERED COMPOUND OF THE RAl//2 SYSTEM. / Kuzuhara, T.; Wakabayashi, H.; Matsumoto, K.; Hashimoto, T.; Sahashi, M.; Inomata, K.; Tomokiyo, A.; Yayama, H.

Proceedings of the International Cryogenic Engineering Conference. ed. / Gustav Klipping; Ingrid Klipping. Engl, 1986. p. 280-284 (Proceedings of the International Cryogenic Engineering Conference).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Kuzuhara, T, Wakabayashi, H, Matsumoto, K, Hashimoto, T, Sahashi, M, Inomata, K, Tomokiyo, A & Yayama, H 1986, MAGNETIC ENTROPY OF THE MIXED AND SINTERED COMPOUND OF THE RAl//2 SYSTEM. in G Klipping & I Klipping (eds), Proceedings of the International Cryogenic Engineering Conference. Proceedings of the International Cryogenic Engineering Conference, Engl, pp. 280-284.

Kuzuhara, T. ; Wakabayashi, H. ; Matsumoto, K. ; Hashimoto, T. ; Sahashi, M. ; Inomata, K. ; Tomokiyo, A. ; Yayama, H. / MAGNETIC ENTROPY OF THE MIXED AND SINTERED COMPOUND OF THE RAl//2 SYSTEM. Proceedings of the International Cryogenic Engineering Conference. editor / Gustav Klipping ; Ingrid Klipping. Engl, 1986. pp. 280-284 (Proceedings of the International Cryogenic Engineering Conference).

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AB - The magnetic refrigerant for the Ericsson type magnetic refrigerator should have a constant magnetic entropy difference DELTA S//J between two constant magnetic field processes. However, the magnetic entropy change of an homogeneous ferromagnet exhibits a sharp peak at the Curie temperature. In the present investigation we have succeeded to make the layer structural sintered composite composed of several kinds of RAl//2 compounds having large entropy change near their Curie temperatures and made clear that this composite has the constant DELTA S//J in the wide temperature range suitable for the Ericsson cycle.

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MAGNETIC ENTROPY OF THE MIXED AND SINTERED COMPOUND OF THE RAl//2 SYSTEM.

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