Magnetic response of porous NiCoMnSn metamagnetic shape memory alloys fabricated using solid-state replication
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NiCoMnSn porous metamagnetic shape memory alloys were successfully fabricated using solid-state replication of ammonium bicarbonate powders via sintering at 1273 K. Around 50% porosity of 300-500 m interconnected pores was achieved. Oxygen contamination from the space holder and binder, which negatively influences the magneto-thermal coupling, was prevented using a titanium oxygen getter during sintering. The resulting porous samples demonstrate a metamagnetic response similar to the homogenized powder, offering possible utilization in magnetic refrigeration and actuation. 2012 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
author list (cited authors)
Monroe, J. A., Cruz-Perez, J., Yegin, C., Karaman, I., Geltmacher, A. B., Everett, R. K., & Kainuma, R.
complete list of authors
Monroe, JA||Cruz-Perez, J||Yegin, C||Karaman, I||Geltmacher, AB||Everett, RK||Kainuma, R