Journal of Materials Synthesis and Processing
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Fabrication of Monolithic Ti3SiC2 Ceramic Through Reactive Sintering of Ti/Si/2TiC
Journal of Materials Synthesis and Processing - - 1999
Fabrication of monolithic Ti3SiC2 has been investigated through the route of reactive sintering of Ti/Si/2TiC mixtures. Significant phase differences existed between the surface and the interior of as-synthesized products due to the evaporation of Si during the reaction process. The use of a 3Ti/SiC/C mixture as a powder bed could control the evaporation of Si and develop monolithic Ti3SiC2. A rea......
Reaction Bonding of Three-Layer Alumina-Based Composites
Journal of Materials Synthesis and Processing - Tập 7 - Trang 195-203 - 1999
Three-layer alumina-based composites with Al2O3-containing mullite as the outer layer and ZrO2-containing alumina as the inner layer were fabricated by die-pressing and reaction bonding. The effects of the outer-layer compositions on the densification behavior of three-layer composites were investigated. The existence of residual stresses in the layers was verified using indentation methods. Compa......
Comparison Between γ-Bi2MoO6 and Bi2WO6 Catalysts in the CO Oxidation
Journal of Materials Synthesis and Processing - Tập 9 - Trang 207-212 - 2001
Bismuth molybdate (γ-Bi2MoO6) and bismuth tungstate (Bi2WO6) catalysts were prepared by solid-state reaction and their catalytic properties evaluated in the CO oxidation reaction. We characterize their structure by X-ray diffraction, scanning electron microscopy, Auger electron spectroscopy, and BET nitrogen absorption. X-ray diffraction analysis shows that both γ-Bi2MoO6 and Bi2WO6 are structural......
Microstructure and Mechanical Properties of A Spray-Atomized and Deposited Al-Cu-Mg-Ag Alloy
Journal of Materials Synthesis and Processing - Tập 7 - Trang 365-372 - 1999
In this paper, the results of a recent study designed to improve our understanding of the hardness, tensile properties, cyclic fatigue response, and fracture characteristics of a spray-atomized and deposition-processed Al-Cu-Mg-Ag Alloy are presented. Specimens of the alloy were deformed to failure at ambient temperature under both quasi-static and cyclic stress amplitude-controlled conditions. Th......
Synthesis and Characterization of a Free-Standing, One-Dimensional, Al-Cu/SiC-Based Functionally Graded Material
Journal of Materials Synthesis and Processing - Tập 10 - Trang 75-81 - 2002
In this research paper the synthesis of aluminum-copper/silicon carbide–based (Al-Cu/SiC) functionally gradient material using the innovative technique of gradient slurry disintegration and deposition is presented and discussed. Using the gradient slurry disintegration and deposition technique a gradient of SiC was established using an initial weight percentage of 15%. Results of the synthesis wer......
Interfacial Microstructure and Reaction Phases of Solid State Bonded at SiC/V Joints
Journal of Materials Synthesis and Processing - Tập 6 - Trang 387-392 - 1998
SiC was bonded to SiC using V foil at temperatures ranging from 1473 K to 1673 K for 1.8 to 64.8 × 103 s and 30 MPa in vacuum. Interfacial reactions and microstructures were investigated using electron probe microanalyser and X-ray diffractometer. SiC begins to react with V at temperatures above 1473 K. Granular V2C phase was formed at the V side of the reaction zone, while a layer of V3Si phase w......
Selective Formation of Titanium Silicide by Chemical Vapor Deposition Using Titanium Halides and Silicon Wafer as the Precursors
Journal of Materials Synthesis and Processing - - 1998
Titanium silicide thin films were formed on Si substrate by reaction of TiX
4 (X=C1, Br) with Si under different experimental conditions. The Si consumption and titanium silicide obtained were calculated by the film thickness. In some reactions, titanium silicide thin film was found not only on the Si substrates but also on the SiO2 wall at the outlet of the reaction chamber. The quantity of Si co......
Dispersion and Rheological Properties of Alumina/Zirconia Slurries with Methyl Isobutyl Ketone/Ethanol Solvents
Journal of Materials Synthesis and Processing - Tập 10 - Trang 237-244 - 2002
The dispersion and rheological behavior of alumina, zirconia, and alumina/zirconia mixed slurries were investigated using various solvent ratios of methyl isobutyl ketone (MIBK)/ethanol (EtOH), by measuring sedimentation bulk density, particle size distribution, and viscosity. Well-dispersed suspensions were obtained in MIBK-rich solvents with additional dispersant and in EtOH-rich without dispers......
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