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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국전기전자재료학회 Transactions on Electrical and Electronic Materials Transactions on Electrical and Electronic Materials 제12권 제1호
- 발행연도
- 2011.1
- 수록면
- 20 - 23 (4page)
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Amorphous Ti-(50-x)Ni-xCu (at%) (x = 20, 25, 27, 30) alloy ribbons were prepared by melt spinning. Subsequently, the crystallization behavior of the alloy ribbons was investigated by X-ray diffraction and differential scanning calorimetry.
ΔT (the temperature gap between T_g and T_x) increased from 33 K to 47 K and the wavenumber (Q_p) decreased from 29.44 nm^(-1) to 29.29 nm^(-1) with increasing Cu content from 20 at% to 30 at%. The activation energy for crystallization decreased from 188.5 kJ/mol to 170.6 kJ/mol with increasing Cu content from 20 at% to 25 at%; afterwards, the activation energy remained near constant. Crystallization occurred in two-stage: amorphous-B2-TiCu_2 in Ti-Ni-Cu alloys with Cu content less than 25 at%, while it occurred in three-stage; amorphous-B2-TiCu-TiCu_2 in Ti-Ni-Cu alloys with Cu content more than 27 at%.
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