UNIVERSITY PARK, Pa .– Nathan Kizer, a senior engineering student in the Penn State Department of Engineering Science and Mechanics, received a $ 500 award for his honors thesis work from the Acoustical Society of America.
The $ 500 prize will allow Kizer to purchase an ultrasonic transducer and 3D printing filament for his thesis work, where he plans to use acoustic waves in additive manufacturing to enable error detection at the fly when 3D printing.
“In 3D printing, there are times when the plastic filament won’t adhere to the surface you’re printing on due to humidity, changes in ambient temperature and rapid cooling,” Kizer said. “In this experiment, I monitor tiny acoustic surface waves using an ultrasonic transducer to perform quality checks while the product is being printed.”
Kizer compared acoustic waves to waves found in radio frequencies, microwaves, and ultrasound.
“To check the quality of something while printing, you send a wave from one transducer to another, then compare the difference between the two signals to find the…
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