Journal
SCRIPTA MATERIALIA
Volume 172, Issue -, Pages 6-11Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2019.07.002
Keywords
EBSD; TEM; Bronze; Wear; Grain re-orientation
Categories
Funding
- National Science Foundation [DMR-0906703, DMR-1856196]
- U.S. Department of Energy [DE-FG02-07ER46453, DE-FG02-07ER46471]
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The subsurface lattice rotation of polycrystalline and single crystal Cu-Ni-Sn bronze after pin-on-disc wear test were characterized using electron-backscattered diffraction and transmission electron microscopy. The majority of grains were sheared in the sliding direction with rotation axis around the transverse direction of the pin, exhibiting a weak shear texture. The orientation spread along the sliding direction increased with subsurface plastic strain, following a power law relationship. The grain re-orientation magnitude in the pin normal direction was found to be related to the number of active slip systems, as indicated by the Schmid factors of the local grain orientation. (C) 2019 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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