Crystal rotation in Cu single crystal micropillars: In situ Laue and electron backscatter diffraction

R. Maaß, S. Van Petegem, D. Grolimund, H. Van Swygenhoven, D. Kiener, G. Dehm

Research output: Contribution to journalArticlepeer-review

Abstract

In situ microdiffraction experiments were conducted on focused ion beam machined single crystal Cu pillars oriented for double slip. During deformation, the crystal undergoes lattice rotation on both the primary and critical slip system. In spite of the initial homogeneous microstructure of the Cu pillar, rotation sets in already at yield and is more important at the top of the pillar than at the bottom, demonstrating the inhomogeneous stress state during a microcompression experiment. The rotation results are confirmed by electron backscatter diffraction measurements.

Original languageEnglish (US)
Article number071905
JournalApplied Physics Letters
Volume92
Issue number7
DOIs
StatePublished - 2008

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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