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Effect of Milling Conditions on the Strength of Alumina–Silicon Carbide Nanocomposites
Author(s) -
Jeong YoungKeun,
Nakahira Atsushi,
Morgan Peter E. D.,
Niihara Koichi
Publication year - 1997
Publication title -
journal of the american ceramic society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.9
H-Index - 196
eISSN - 1551-2916
pISSN - 0002-7820
DOI - 10.1111/j.1151-2916.1997.tb02983.x
Subject(s) - materials science , microstructure , silicon carbide , homogeneity (statistics) , ball mill , nanocomposite , grinding , composite material , homogeneous , flexural strength , carbide , metallurgy , statistics , physics , mathematics , thermodynamics
Processing effects of wet ball‐milling on the microstructure and fracture strength of Al 2 O 3 /5 vol% SiC nanocomposites were investigated. Homogeneous microstructure and a high fracture strength of 1200 MPa could be achieved under the milling condition of relatively low wear contents of Al 2 O 3 grinding media, maintaining the homogeneity of the ball‐milled powders. The fracture strength decreased with increasing wear content. Degradation of fracture strength was caused by abnormal grain growth related to wear particles from the Al 2 O 3 balls.