Journal
INTERNATIONAL JOURNAL OF MATERIALS RESEARCH
Volume 99, Issue 7, Pages 716-724Publisher
CARL HANSER VERLAG
DOI: 10.3139/146.101690
Keywords
fibre tensile module; copper wires; size effect; gauge length; pop-in
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Tensile experiments on micro-sized polycrystalline copper wires with diameters ranging from 14 pm to 50 pm were performed using a recently developed fibre tensile module capable of high accuracy and flexibility. This module is able to fit into a scanning electron microscope for in-situ deformation studies. In this study the influence of the gauge length, wire diameter and grain size on the tensile properties is analysed. In-situ experiments performed in a scanning electron microscope revealed clearly that the occurrence of pop-in events in the load-displacement curves are related to slip. The results are compared to deformation studies of micro-sized copper samples in the literature and discussed taking in-situ scanning electron microscope observations into account.
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