Auburn University Deploys $1.5 Million Digital X-Ray CT System to Inspect Structural Integrity of Additive Manufactured Parts
AUBURN, Ala., Aug. 14, 2019 /PRNewswire/ — Auburn University’s Samuel Ginn College of Engineering has begun in-process inspection of additive manufactured parts utilizing a customized digital radiology vault and specialized additive manufacturing systems designed by Auburn University researchers. The new system was acquired through a $1.5 million grant from the National Institute of Standards and Technology awarded to Auburn’s Center for Additive Manufacturing.
Auburn’s Center for Additive Manufacturing was formed in 2015 and now includes extensive collaboration between Auburn, NIST, NASA and the global standards organization ASTM International. The nationally recognized organization conducts cutting-edge research, trains and educates graduate and undergraduate students, and develops and promotes technological innovations that advance the pace of the additive manufacturing industry.
The new system is comprised of a customized digital radiology vault from Pinnacle X-Ray Solutions that accommodates additive manufacturing machines designed and built by Auburn researchers to fit within the X-ray vault. This unique solution enables Auburn engineers and their partners to conduct three-dimensional non-destructive interrogation of mission-critical metal parts as well as provide real-time process monitoring of the additive manufacturing process. Researchers are able to confirm internal dimensions of structures and assess the quality of not only the finished part, but the manufacturing process itself.
Bart Prorok, professor of materials engineering and principal investigator on the NIST grant, reported that the new system offers precise design interrogation capabilities previously unattainable using conventional post-production methods.
“It’s a real game-changer because while we’re building a component with additive, it’s difficult to monitor what’s happening,” Prorok said. “With this new system, we can take two-dimensional X-ray pictures of a metal structure for real-time process monitoring or a series of 2-D images in 360 degrees of rotation that are then reconstructed into a 3-D representation of the build.”
Auburn engineering researchers are working with partners at NIST, NASA, the U.S. Army, ASTM International and leaders throughout the aerospace and aviation industries to progress the development of industry standards and processes to bring additive manufacturing of mission-critical into commercial use. NASA recently awarded Auburn $5.2 million to develop additive manufacturing processes and techniques for improving the performance of liquid rocket engines.
A video interview of Prorok explaining the importance of this development can be found here. A Flickr gallery can be found here.
About Samuel Ginn College of Engineering
The Samuel Ginn College of Engineering at Auburn University has a long and rich tradition of excellence in engineering education, consistently ranking among the top engineering institutions in the country. Auburn University is a nationally ranked land grant institution recognized for its commitment to world-class scholarship, interdisciplinary research with an elite, top-tier Carnegie R1 classification and an undergraduate education experience second to none. Auburn is home to more than 30,000 students, and its faculty and research partners collaborate to develop and deliver meaningful scholarship, science and technology-based advancements that meet pressing regional, national and global needs.
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SOURCE Auburn University-College of Engineering