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System And Device For Characterizing Shape Memory Alloy Wires, Robert Ryan Vallance, Bruce L. Walcott, James E. Lumpp, Sumanth Chikkamaranahalli, Osamah A. Rawashdeh, Eric Wolsing
System And Device For Characterizing Shape Memory Alloy Wires, Robert Ryan Vallance, Bruce L. Walcott, James E. Lumpp, Sumanth Chikkamaranahalli, Osamah A. Rawashdeh, Eric Wolsing
Mechanical Engineering Faculty Patents
Instruments and methods for measuring a property of a shape memory alloy are provided. The instrument includes a base plate, a non-contact movable mass, a force gauge, an actuator, a biasing spring, a heater for heating the shape memory alloy, and a non-contact displacement detector. The biasing spring and the shape memory alloy are disposed whereby a force applied thereby is applied substantially through a center of stiffness of the movable mass. The displacement detector measures a displacement of the movable mass in a colinear direction with a direction of movement of the movable mass and with a direction of …