James P. Thomas

University of Notre Dame, United States Naval Research Laboratory

Papers

Total Citations

246

H-Index

About

James P. Thomas is a pioneering researcher in additive manufacturing and robotic actuation, whose work has fundamentally shaped the understanding of fused-deposition modeling (FDM) materials. His primary research areas include the mesostructural characterization of 3D-printed polymers and the development of novel actuators for aerospace applications. Thomas’s most impactful contribution is his seminal 2000 paper, “Characterization of the mesostructure of fused‐deposition acrylonitrile‐butadiene‐styrene materials,” which has garnered 216 citations. This work systematically analyzed how fiber layout and void geometry in FDM parts influence mechanical properties, establishing a critical framework for predicting stiffness and strength in printed ABS plastics. His earlier 1999 study on maximizing strength further elucidated the role of thermal diffusion bonding between extruded fibers, providing foundational guidelines for process optimization. More recently, Thomas has applied his expertise to space flight, co-authoring a 2019 paper on pneumatic artificial muscle actuators with integrated controls for a 7-DOF robot arm, demonstrating a high payload-to-mass ratio alternative to traditional motor-driven systems. Through these contributions, Thomas has bridged materials science and robotics, leaving a lasting impact on both the 3D printing community and aerospace engineering.