Liquid phase separation and microstructure characterization in a designed Al-based amorphous matrix composite with spherical crystalline particles

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	Liquid phase separation and microstructure characterization in a designed Al-based amorphous matrix composite with spherical crystalline particles
	J. He; H. Q. Li; B. J. Yang; J. Z. Zhao; H. F. Zhang; Z. Q. Hu
	2010
发表期刊	Journal of Alloys and Compounds
ISSN	0925-8388
卷号	489 期号:2 页码:535-540
摘要	The solidification process of the immiscible alloys exhibit a unique opportunity in designing the composites with the spherical crystalline particles dispersed in the amorphous metal matrix. The typical Al-Pb immiscible alloy and the additional elements Ni, Y and Co were selected, and the Al(82.87)Pb(2.5)Ni(4.88)Y(7.8)Co(1.95) multicomponent immiscible alloy has been designed. The ribbon samples of the multicomponent alloy were prepared by using the melt spinning technique. The ribbons were characterized by the scanning electron microscopy (SEM). The phase constitution and transformation were studied by the X-ray diffraction (XRD) and the differential scanning calorimeter (DSC). It was revealed in the as-quenched ribbons the Al-based metallic glass matrix is embedded by the spherical crystalline Pb-rich particles. The microstructure evolution, the glass formation and the thermal stability of the as-prepared composite have been discussed in detail. A method has been developed based on the mechanism of the liquid-liquid phase transformation in the miscibility gap of the multicomponent immiscible alloy to produce the spherical crystalline particles in the amorphous matrix. (C) 2009 Elsevier B.V. All rights reserved.
部门归属	[he, jie; li, haiquan; yang, baijun; zhao, jiuzhou; zhang, haifeng; hu, zhuangqi] chinese acad sci, inst met res, shenyang 110016, peoples r china.;he, j (reprint author), chinese acad sci, inst met res, shenyang 110016, peoples r china;jiehe@imr.ac.cn
关键词	Amorphous Materials Metallic Glasses Composite Materials Rapid Solidification Phase Transitions Microstructure Bulk Metallic-glass Transient Directional Solidification Mechanical-properties Immiscible Alloys Amorphous/crystalline Composite Supercooled Liquid Magnetic-field Zrc Particles Bi Nucleation
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WOS记录号	WOS:000273251000044
引用统计	被引频次：43[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/31139
专题	中国科学院金属研究所
推荐引用方式 GB/T 7714	J. He,H. Q. Li,B. J. Yang,et al. Liquid phase separation and microstructure characterization in a designed Al-based amorphous matrix composite with spherical crystalline particles[J]. Journal of Alloys and Compounds,2010,489(2):535-540.
APA	J. He,H. Q. Li,B. J. Yang,J. Z. Zhao,H. F. Zhang,&Z. Q. Hu.(2010).Liquid phase separation and microstructure characterization in a designed Al-based amorphous matrix composite with spherical crystalline particles.Journal of Alloys and Compounds,489(2),535-540.
MLA	J. He,et al."Liquid phase separation and microstructure characterization in a designed Al-based amorphous matrix composite with spherical crystalline particles".Journal of Alloys and Compounds 489.2(2010):535-540.