The Thermal Transformation Arrest Phenomenon in NiCoMnAl Heusler Alloys
AbstractIn this report, we present findings of systematic research on NiCoMnAl alloys, with the purpose of acquiring a higher thermal transformation arrest temperature (TA). By systematic research, TA in the NiCoMnAl alloy systems was raised up to 190 K, compared to the highest TA of 130 K in NiCoMnIn. For a selected alloy of Ni40Co10Mn33Al17, magnetization measurements were performed under a pulsed high magnetic field, and the critical magnetic field-temperature phase diagram was determined. The magnetic phase diagram for Ni50-xCoxMn50-yAly was also established. Moreover, from the discussion that the formerly called “kinetic arrest phenomenon” has both thermodynamic and kinetic factors, we suggest a terminology change to the “thermal transformation arrest phenomenon”.
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Xu, X.; Ito, W.; Tokunaga, M.; Kihara, T.; Oka, K.; Umetsu, R.Y.; Kanomata, T.; Kainuma, R. The Thermal Transformation Arrest Phenomenon in NiCoMnAl Heusler Alloys. Metals 2013, 3, 298-311.
Xu X, Ito W, Tokunaga M, Kihara T, Oka K, Umetsu RY, Kanomata T, Kainuma R. The Thermal Transformation Arrest Phenomenon in NiCoMnAl Heusler Alloys. Metals. 2013; 3(3):298-311.Chicago/Turabian Style
Xu, Xiao; Ito, Wataru; Tokunaga, Masashi; Kihara, Takumi; Oka, Kengo; Umetsu, Rie Y.; Kanomata, Takeshi; Kainuma, Ryosuke. 2013. "The Thermal Transformation Arrest Phenomenon in NiCoMnAl Heusler Alloys." Metals 3, no. 3: 298-311.