Crystallization and microstructure evolution of amorphous Al85Y4Nd4Fe7 alloy

被引：0
|
作者：
Chen, YX
Chen, YQ [1 ]
Su, Y
Hu, L
Wu, W
Li, GP
机构：
[1] Hefei Univ Technol, Sch Mat Sci & Engn, Hefei 230009, Peoples R China
[2] Univ Sci & Technol China, Struct Res Lab, Hefei 230026, Peoples R China
来源：
JOURNAL OF RARE EARTHS | 2005年 / 23卷 / 01期
关键词：
melt spinning; amorphous alloys; Al-Y-Nd-Fe alloy; rare earths;
D O I：
暂无
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
A rapidly solidified Al85Y4Nd4Fe7 (%, 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 Al85Y4Nd4Fe7 alloy ribbons. The temperature of first crystallization exceeds 300 degrees C. Crystallization of as-annealed Al85Y4Nd4Fe7 alloy is shown to occur in two stages: (1) primary crystallization of alpha-Al; (2) formation of Al3Y, Al13Fe4 and unknown crystalline phases.
引用
收藏
页码：77 / 80
页数：4
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