Research Seminar: A Historical Perspective and Current Trends in Additive Manufacturing
Prof. David L. Bourell
Director, Laboratory for Freeform Fabrication, The University of Texas at Austin
Modern Additive Manufacturing (AM) is proposed to have begun in 1988 with the first transfer of a commercial AM machine, the SLA-1 by 3D Systems. However, the concept of layered additive manufacturing significantly predates the computer. A short survey of the historical development of AM will be presented with illustrations drawn from the patent literature. Moving to current developments in AM, a review of major US initiatives in AM over the past few years will be given. The presentation will probe the current AM materials landscape for metals, polymers and ceramics. Identification of some current challenges to advancement of AM technologies will be outlined with an example of elemental powder bed processing taken from the presenter’s laboratory.
Dr. David L. Bourell is the Temple Foundation Professor of Mechanical Engineering at The University of Texas at Austin. He is currently Director of the Laboratory for Freeform Fabrication. Dr. Bourell's areas of research include particulate processing with emphasis on sintering kinetics and densification, and materials issues associated with Laser Sintering (LS). Professor Bourell is a leading expert in advanced materials for Laser Sintering, having worked in this area since 1988. Dave was the lead author on the original materials patent for LS technology. Issuing in 1990, this patent has been cited by over 200 other patents, and it represents the original intellectual property for mixed and coated powders for LS, including binders. Since 1995, he has chaired the organizing committee for the Annual International Solid Freeform Fabrication Symposium – An Additive Manufacturing Conference. This meeting is a leading research conference on additive manufacturing and is the oldest, continuously running conference on AM in the world. He holds 9 primary patents dealing with materials innovations in LS dating back to 1990 and has published 250 papers in journals, conference proceedings and book chapters. He is a founding member of the ASTM F42 Technical Committee on Additive Manufacturing and currently serves on the ten-member ASTM/ISO Joint Group 51 on Terminology for AM. Dr. Bourell is a Fellow of ASM International and TMS, and he is also a lifetime member of TMS. In 2009, he received the TMS Materials Processing and Manufacturing Division Distinguished Scientist/Engineer Award. In 2017, he received the Society of Manufacturing Engineers Albert M. Sargent Progress Award for “significant accomplishments in the field of manufacturing processes”.
For more information, please contact Dr. Xiaopeng Li.