Department Seminar - Patrick Cordier

Apr 25, 2023, 12:30 pm1:20 pm
Guyot Hall 10
All Welcome



Event Description

One of the major challenges of rheology is to formulate laws that are relevant to the time scales of nature that are inaccessible in the laboratory. We are convinced that this requires a rigorous control of the deformation mechanisms at work. Transmission electron microscopy is traditionally the tool of choice for characterizing deformation mechanisms at the microscopic scale. Today, this tool is no longer solely dedicated to characterization, but is being transformed into a deformation machine. The use nanomechanical testing in situ in the transmission electron microscope and ex situ allows to isolate, activate and characterize elementary deformation mechanisms. We present the results of a few ongoing studies that highlight original grain boundary sliding mechanisms involving solid-state amorphisation.


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