Measurement of Crystal Lattice Rotations under Nanoindents in Copper

Abstract

A technique is described to measure the rotations of the crystal lattice in the deformed region around a nanoindent from volumes smaller than 3 × 10−5 μm3. To demonstrate this method, a copper crystal has been indented on its (001) face to depths of 500 and 1300 nm. Cross-sections of nanoindents were prepared for transmission electron microscopy by focused ion beam milling, and rotations were measured about the [001], [010] and [100] axes using convergent beam electron diffraction.

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Acknowledgments

The authors are grateful to the Natural Sciences and Engineering Research Council of Canada, Overseas Research Scholarship, the Cambridge Commonwealth Trust and the Royal Society for funding.

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Correspondence to Kirsten K. McLaughlin.

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McLaughlin, K.K., Stelmashenko, N.A., Lloyd, S.J. et al. Measurement of Crystal Lattice Rotations under Nanoindents in Copper. MRS Online Proceedings Library 841, R1.3 (2004). https://doi.org/10.1557/PROC-841-R1.3

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