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Micro-shear deformation of pure copper

J. Pfetzing-Micklich, S. Brinckmann, S.J. Dey, F. Otto, A. Hartmaier, G. Eggeler.

Materialwissenschaft und Werkstofftechnik, 42, 219-223, (2011)

Abstract

In this paper a new micro-shear experiment is introduced using a double shear specimen machined by a focused ion beam technique. The micro-shear specimen is structured from pure copper promoting (111) [101] slip. Comparing scanning electron microscopy images before and after deformation provides evidence for localized shear. Load-displacement data identify a load plateau and characterize the localized shear process (critical shear-stress for activation of (111) [101] slip: 170 MPa).


Keyword(s): shear deformation; slip system; nanoindentation; copper; focused ion beam machining
DOI: 10.1002/mawe.201100715
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