Papers by Keyword: Solid Phase Sintering

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Authors: Yutaka Shinoda, T. Nagano, Hui Gu, Fumihiro Wakai
Authors: C.C. Fu, L.J. Chang, Y.C. Huang, P.W. Wong, Jason S.C. Jang
Authors: Ling Cheng, De Gui Zhu, Ying Gao, Wei Li, Bo Wang
Abstract: Alumina reinforced aluminum matrix composites (Al-5wt.%Si-Al2O3) fabricated by powder metallurgy through hot isotactic pressing were sintered in different processes, i.e. solid and liquid phase sintering. Optical microscopy (OM), X-ray diffraction (XRD), scanning electron microscope (SEM), Energy Dispersive X-ray (EDX) techniques were used to characterize the sintered composites. The effects of solid phase and liquid phase sintering on density, microstructure, microhardness, compression and shear strength were investigated. It was found that in situ chemical reaction was completed in solid phase sintering, but the composites had lower microhardness, comprehension and shear strength due to low density and segregation of alumina and Si particles in microstructure. Segregation of reinforcement particles in solid phase sintering resulted from character of solid reaction and Si diffusion at high temperature over a long hold time.
Authors: C. Chausse, F. Nardou, Eric Gaffet
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