3D PRINTING ENABLED STRUCTURAL COMPOSITES – FABRICATION, TESTING, AND NUMERICAL ANALYSIS A Dissertation by YI-TANG KAO Submitted to the Office of Graduate and Professional Studies of Texas A&M University in partial fulfillment of the requirements for the degree of DOCTOR OF PHILOSOPHY Chair of Committee, Bruce L. Tai Committee Members, Jyhwen Wang Zhijian Pei Harry Hogan Terry Creasy Head of Department, Andreas Polycarpou December 2019 Major Subject: Mechanical Engineering Copyright 2019 Yi-Tang Kao