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Laurence Bodelot
Postdoctoral Scholar in Aeronautics

What looks like the topography of a landscape takes place at a much smaller scale. This is the surface of a steel, originally perfectly flat and polished, after a tensile plastic deformation. The grains of the microstructure have rotated under the applied deformation: some emerged from the surface whereas some others 'have plunged inside'. The observation has been made by profilometry over a 5 mm x 5 mm zone.

lbodelot@caltech.edu

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