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Monday, August 29, 2005, 11am - 12pm, MAE Conference Room Title: Ultrasonic Characterization of Materials Speaker: Prof. Sridhar Krishnaswamy Department of Mechanical Engineering Abstract: Ultrasonic methods of materials characterization are based on launching, propagating, and observing stress waves in a structure of interest. At Northwestern University, we are developing ultrasonic methods to characterize materials and structures ranging from the microscale to the macroscale. In this talk, I will describe our efforts in the areas of thin film material damage using acoustic nonlinearity, and structural health monitoring using adaptive fiber-optic Bragg-gating ultrasound sensor technology.
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