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Title: Equal channel angular pressing of Al-5 wt% TiB2 in situ composite
Authors: Ravi, K.R.
Saravanan, M.
Pillai, R.M.
Mandal, A.
Murty, B.S.
Chakraborty, M.
Pai, B.C.
Keywords: Aluminum compounds; Equal channel angular pressing; Grain boundaries; Grain refinement; Nanostructured materials; Clustered distribution; Particulates size; Metallic matrix composites
Issue Date: 2008
Citation: Journal of Alloys and Compounds, 459(1-2), 239-243
Abstract: Equal channel angular pressing (ECAP) of in situ Al-5 wt% TiB2 composite was successfully carried out at room temperature up to four passes. Large particle free zones of about 50-100 ?m size present in as cast condition have been reduced to 20-30 ?m by ECA pressing. The initially clustered distribution of TiB2 has become homogeneous after four ECAP passes. A significant grain refinement down to ?500 nm has been achieved by ECA pressing but the average particulates size remains unchanged at 0.5-0.6 ?m. � 2007 Elsevier B.V. All rights reserved.
ISSN: 9258388
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