Journal
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
Volume 527, Issue 10-11, Pages 2662-2668Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.msea.2009.12.052
Keywords
Bulk amorphous alloys; Powder metallurgy; Sintering; Intermetallics; Electron microscopy
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Funding
- Chinese National Hi-Tech Research & Development Program [2007AA03Z518]
- National Nature Science Foundation of China [50904021, 50771040, 50871034, 10732010]
- Excellent Youth Foundation of Heilongjiang Province [JC200806]
- Australian Research Council
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A large size and high strength Ti-based bulk metallic glass is fabricated from the amorphous powders by the spark plasma sintering (SPS) technique. The sufficient viscous flow induced by the macroscopic temperature under a sintering stress is considered as the main mechanism for the densification. During the SPS process, the microscopic temperature gradient was identified, which directly influences the microstructures and in turn the mechanical properties at different regions of the sample. A new phase with an orthorhombic structure (a = 0.48 nm, b = 1.03 nm and c = 0.61 nm) is determined. (C) 2010 Elsevier B.V. All rights reserved.
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