Effect of sintering on microstructure and mechanical properties of nano-TiO2 dispersed Al65Cu20Ti15 amorphous/nanocrystalline matrix composite

被引：0
|
作者：
Roy, D. [1 ]
Chakravarty, D. [2 ]
Mitra, R. [1 ]
Manna, I. [1 ]
机构：
[1] Metallurgical and Materials Engineering Department, Indian Institute of Technology, Kharagpur, 721302, India
[2] International Advanced Research Centre for Powder Metallurgy and New Materials, Hyderabad, 500005, India
来源：
Journal of Alloys and Compounds | 2008年 / 460卷 / 1-2期
关键词：
Mechanically alloyed Al65Cu20Ti15 amorphous alloy powder with or without 10 wt% nano-TiO2 dispersion was consolidated by isothermal spark plasma sintering in the range 200-500 °C with pressure up to 50 MPa. Selected samples were separately cold compacted with 50 MPa pressure and sintered at 500 °C using controlled atmosphere resistance and microwave heating furnaces. Phase and microstructural evolution at appropriate stages of mechanical alloying/blending and sintering was monitored by X-ray diffraction and scanning and transmission electron microscopy. Measurement and comparison of relevant properties (density/porosity; microhardness and yield strength) of the sintered compacts suggest that spark plasma sintering is the most appropriate technique for developing nano-TiO2 dispersed amorphous/nanocrystalline Al65Cu20Ti15 matrix composite for structural application. © 2007 Elsevier B.V. All rights reserved;
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页码：320 / 325
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