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Plastic deformation of aluminium-bicrystals

MPS-Authors
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Kuo,  J. C.
Microscopy and Diffraction, Microstructure Physics and Alloy Design, Max-Planck-Institut für Eisenforschung GmbH, Max Planck Society;

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Zaefferer,  S.
Microscopy and Diffraction, Microstructure Physics and Alloy Design, Max-Planck-Institut für Eisenforschung GmbH, Max Planck Society;

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Raabe,  D.
Microstructure Physics and Alloy Design, Max-Planck-Institut für Eisenforschung GmbH, Max Planck Society;

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Citation

Kuo, J. C., Zaefferer, S., & Raabe, D.(2004). Plastic deformation of aluminium-bicrystals.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0019-66F9-0
Abstract
This progress report discusses the deformation behaviour of an aluminium-bicrystal with a symmetrical <112> tilt boundary and an initial misorientation of 8.7 Degrees. The specimen was compressed in a channel die to 30% engineering thickness reduction at room temperature. Afterwards the crystal orientations were determined by electron backscatter diffraction (EBSD) and the plastic strain distribution was measured by photogrametry. It was found that the two abutting crystals close to the grain boundary rotate towards each other, whereas the grain interiors increase their mutual misorientation during plastic loading.