Additive manufacturing (AM), dubbed as 3D printing, has garnered a great deal of academic and industrial attention due to its capabilities for fabricating complex geometries, rapid prototyping, topology optimization, and on demand production, to name a few. As opposed to traditional manufacturing, minimization of the need for thermomechanical processing and machining has boosted the momentum for a meaningful transition in the mass production of aerospace parts and bioimplants. Such a transition requires all the design and manufacturing aspects, such as materials and process development to proceed synchronously. Design and development of new materials for AM technology is crucial as most of the common engineering alloys were originally designed for traditional processing methods, and therefore, they might not be ideal for AM process. This seminar aims to present a research plan that lays out a framework for design and development of new materials that are optimized for AM technologies. We discuss an approache for alloy composition design and a powder manufacturing method with quick turnaround time to prototype powder with the desired composition. Process development for the new materials and the effects of process parameters on defects type and distribution will also be discussed. Mechanical performance of the AM parts, such as their static and cyclic performance, under service conditions will determine their qualification for failure critical applications. The output of this research is expected to assist the full industrial adoption of AM technology in the coming decades.
Aidin Imandoust is currently an assistant professor in the Department of Materials Science and Engineering at University of North Texas (UNT). Prior to joining UNT in the spring of 2020, he served as a senior R&D Engineer at H.C. Starck Inc., where he developed process parameters for additive manufacturing (AM) of refractory metals and alloys. Dr. Imandoust served as a post-doctoral associate in department of Mechanical Engineering at Auburn University from Aug. 2017 to May 2019. His work in National Center for Additive Manufacturing Excellence (NCAME) at Auburn University was focused on fatigue and fracture of AM materials. He received his Ph.D. in Mechanical Engineering from Mississippi State University in August 2017. His dissertation was dedicated to the thermo-mechanical processing and recrystallization texture of rare-earth containing magnesium alloys, which was accomplished at Center for Advanced Vehicular Systems (CAVS).