Journal
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
Volume 356, Issue 1-2, Pages 114-121Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/S0921-5093(03)00110-2
Keywords
nanocrystalline cermet powder; high-energy milling; vibration mill; attrition mill
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TiC-Ni based nanocrystalline cermet powders for thermal spraying were produced by high-energy milling. Milling experiments were performed in an attrition mill and a vibration mill in kilogram scale, and powder morphologies and microstructures were characterized using scanning electron microscopy, X-ray diffraction, and laser scattering for particle size analysis. Milling time and powder input were optimized with respect to the desired microstructure and particle sizes, and the results using both types of mill were compared. Powders with homogeneously dispersed hard phase particles below 300 nm could be produced in both mills. Additional processes for the refinement of powder morphology and particle size distribution are discussed. (C) 2003 Elsevier Science B.V. All rights reserved.
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