Mechanics of Composite, Hybrid and Multifunctional Materials, Thermomechanics & Infrared Imaging, and Mechanics of Additive & Advanced Manufactured Materials, Volume 3 of the Proceedings of the 2024 SEM Annual Conference & Exposition on Experimental and Applied Mechanics, the third volume of three from the Conference, brings together contributions to this important area of research and engineering.  The collection presents early findings and case studies on a wide range of areas, including: Recycled Constituent Composites Damage Detection Advanced Imaging of Composites Multifunctional Materials Composite Interfaces Tunable Composites Material Characterizations Using Thermography Thermographic Non-destructive Evaluations Mechanics of Additive & Advanced Manufactured Materials