Daniel Kiener, Petra Kaufmann and Andrew M. Minor Strength, Hardening, and Failure Observed by In Situ TEM Tensile Testing Advanced Engineering Materials 14
Quantitative in situ tensile testing in the transmission electron microscope is used to investigate mechanical properties of single crystal copper samples. Specimens are fabricated by focused ion beam machining with dimensions between ≈100 and ≈200 nm and oriented for single or multiple slip, respectively. We evaluate strength, hardening behavior, and failure mechanism of these uniform tensile samples. Furthermore, a distinct strain rate effect on flow strength is demonstrated.
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