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Crystallization and Microstructure Evolution of Amorphous Al_(85)Y_4Nd_4Fe_7 Alloy 被引量：2

Crystallization and Microstructure Evolution of Amorphous Al_(85)Y_4Nd_4Fe_7 Alloy
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摘要 A rapidly solidified Al_(85)Y_4Nd_4Fe_7 (%, in nominal atomic fraction) alloy was prepared by melt spinning. As-quenched and as-annealed microstructures were studied by differential scanning calorimetry (DSC), X-ray diffraction (XRD), transmission electron microscopy (TEM) and high-resolution transmission electron microscopy (HRTEM). Fully amorphous structure could be obtained in the rapidly solidified Al_(85)Y_4Nd_4Fe_7 alloy ribbons. The temperature of first crystallization exceeds 300 ℃. Crystallization of as-annealed Al_(85)Y_4Nd_4Fe_7 alloy is shown to occur in two stages: (1) primary crystallization of α-Al; (2) formation of Al_3Y, Al_(13)Fe_4 and unknown crystalline phases. A rapidly solidified Al_(85)Y_4Nd_4Fe_7 (%, in nominal atomic fraction) alloy was prepared by melt spinning. As-quenched and as-annealed microstructures were studied by differential scanning calorimetry (DSC), X-ray diffraction (XRD), transmission electron microscopy (TEM) and high-resolution transmission electron microscopy (HRTEM). Fully amorphous structure could be obtained in the rapidly solidified Al_(85)Y_4Nd_4Fe_7 alloy ribbons. The temperature of first crystallization exceeds 300 ℃. Crystallization of as-annealed Al_(85)Y_4Nd_4Fe_7 alloy is shown to occur in two stages: (1) primary crystallization of α-Al; (2) formation of Al_3Y, Al_(13)Fe_4 and unknown crystalline phases.
作者 陈元喜 陈翌庆 苏勇 胡磊 吴炜 李公普
机构地区 School of Materials Science and Engineering Structure Research Laboratory
出处 《Journal of Rare Earths》 SCIE EI CAS CSCD 2005年第1期77-80,共4页 稀土学报（英文版）
基金 Project supported by the Education Bureau of Anhui Province (2000JL172)
关键词 melt spinning amorphous alloys Al-Y-Nd-Fe alloy rare earths melt spinning amorphous alloys Al-Y-Nd-Fe alloy rare earths
分类号 TG113 [金属学及工艺—物理冶金]
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参考文献9

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  • 1肖于德,黎文献,马正青.快速凝固AlNiCuNd纳米/非晶复合材料的制备及显微组织研究[J].中国稀土学报,2004,22(4):467-472. 被引量：3
  • 2申鹏,孙占波,梁工英,郑准备.非晶Nd_8Fe_(86)B_6合金快速晶化过程中的组织变化与磁性能[J].中国稀土学报,2005,23(2):210-213. 被引量：4
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Journal of Rare Earths
2005年 第1期

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