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Active Materials Laboratory


Microstructure of the shape memory material CuAlNi

This facility is used in the study of active materials - primarily shape memory and magnetostrictive materials - using a variety of techniques. The main facility includes in-situ moire microscopy, a magneto-mechanical testing facility (1.5 T magnet), a unique dead load biaxial testing machine, apparatus for polishing specimens at elevated temperatures, and a differential scanning calorimetry.

Magneto-mechanical testing machine

close-up, Magneto-mechanical testing machine

~ 1T at 1 Hz
Field direction variable in-plane Integrated loading machine
DIC microscope with video and high resolution video camera
Computer control/data acquisition

Under construction is a bi-directional 1 Tesla magnet integrated with mechanical testing facilities: this will enable uniaxial tension or compression in a magnetic field whose direction can be varied arbitrarily in a plane containing the loading axis with computer control and data acquisition. The current research projects for this lab are supported by ONR, NSF, AFOSR and DARPA.

Austenite-martensite microstructure on warming.


Last Modified: 2007-07-24 at 10:09:29 -- this is in International Standard Date and Time Notation

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