Journal
TRIBOLOGY INTERNATIONAL
Volume 91, Issue -, Pages 177-183Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.triboint.2015.07.001
Keywords
Friction stir processing; Wear; Nanohardness; Texture
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Influences of microstructural and textural properties of friction stir processing (FSP) on dry reciprocating wear properties of AISI D2 tool steel are investigated in this study. The mechanical improvement is attributed not only to the homogenous distribution of very small carbides in a refined matrix, but also to significant development of textures during FSP. The excellent wear resistance is ascribed to nanohardness enhancement of the FSPed steel. Dominant shear components of {111} < 110 > and {112} < 111 > with the lowest Taylor's factor and the high density of close-packed planes formation significantly enhance the wear resistance of FSPed sample at 500 rpm. (C) 2015 Elsevier Ltd. All rights reserved.
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