Effect of Solute Contents of Al-Ni-Sr Alloy on Glass Forming Ability and Thermal Stability
来源期刊：JOURNAL OF RARE EARTHS2004年增刊第2期
论文作者：H J Kim J C Bae Taek Soo Kim J K Lee
Key words：glass formation; crystallization; Al base amorphous alloys; rapid solidification;
Abstract: Glass forming ability (GFA) and structural characterization of a new amorphous Al-Ni-Sr alloy melt spun were investigated on the theory of the factors for the glass formation. The GFA was varied with the ratio of Ni to Sr in detail and successful amorphous phase dispersed with 2 ～ 5 nm precipitates was prepared from Al-Ni5-Sr3. Thermal stability and crystallization behavior of the amorphous phase were determined by continuous and isothermal heating technique on DCS, resulting that the crystallization occurs by the growth of fcc Al nanocrystals on the preexistent nuclei.
H J Kim1，J C Bae1，Taek Soo Kim1，J K Lee1
(1.Advanced Materials R&D Center,Korea Institute of Industrial Technology,994-32 Dongchun-dong,Yeonsu-ku,Incheon 406-130,Korea)
Abstract:Glass forming ability (GFA) and structural characterization of a new amorphous Al-Ni-Sr alloy melt spun were investigated on the theory of the factors for the glass formation. The GFA was varied with the ratio of Ni to Sr in detail and successful amorphous phase dispersed with 2 ～ 5 nm precipitates was prepared from Al-Ni5-Sr3. Thermal stability and crystallization behavior of the amorphous phase were determined by continuous and isothermal heating technique on DCS, resulting that the crystallization occurs by the growth of fcc Al nanocrystals on the preexistent nuclei.
Key words:glass formation; crystallization; Al base amorphous alloys; rapid solidification;
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