Microstructural evolution of slowly solidified Cu-Ti-Zr-Ni amorphous alloy期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Microstructural evolution of slowly solidified Cu-Ti-Zr-Ni amorphous alloy

Authors:	Y.J. Yang R. Zhou D.Y. Liu S.L. Li

Affiliation:	^a Department of Aeronautical Mechanical Engineering, Aviation University of Air Force, Changchun130022, China ^b Department of Materials Science and Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, China

Abstract:	The microstructures of slowly solidified Cu-Ti-Zr-Ni bulk amorphous alloy were identified by X-ray diffractometry (XRD) and transmission electron microscope (TEM). XRD and TEM examinations show that the deep eutectic structures of the tested alloy consist of CuTi₂-Cu₁₀Zr₇、Cu₃Ti-CuZr、Cu₃Ti-Cu₁₀Zr₇-CuZr low-order eutectics. Moreover, short-range ordering clusters in the melt with configuration similar to that of Cu₁₀Zr₇ compound may contribute to the glass forming ability of bulk amorphous Cu-Ti-Zr-Ni alloy.

Keywords:	Bulk amorphous alloy Eutectic microstructure Short-range ordering clusters
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