No info available.

• Ph D in Mechanical Engineering , The University of Texas at El Paso (2017)
• MS in Mechanical Engineering, The University of Texas at El Paso (2012)
• BS in Mechanical Engineering, The University of Texas at El Paso (2010)

• Ultrasonically Embedded Wires in Multi-Material Parts Produced by Hybrid Additive Manufacturing Additive Manufacturing (2023), David Sepulveda , Patrick Gutierrez, Amit J. Lopes, Jacob Rome, Vinay Goyal, David Espalin.
• In-situ and in-line monitoring for robocasting using ceramic slurries (in press), Jason McCleary, Nicholas Durand, Luis Castillo, Gustavo Medina, Juan Pablo Garcia, David Espalin.
• In-situ Electrical Resistance Measurements for Embedded Connectors during Hybrid AM (in press), Alexander Pustinger, Arianna Villegas, Joselin Corral, Andrew Hall, Jacob Rome, David Espalin.
• In-situ electrical resistance measurements for soldering studies in hybrid AM (in press), Alexander Pustinger, Joselin Corral, Arianna Villegas, David Espalin.
• Testing protocol development for fracture toughness of parts built with big area manufacturing (in press), Juan Garcia, Luis Camacho, Armanj Hasanyan, David Espalin.
• Ultrasonically embedded wires in multi-material parts produced by hybrid additive manufacturing. Additive Manufacturing (in press), David Sepulveda-Navarrete, Patrick Gutierrez, Amit Lopes, Jacob Rome, Vinay Goyal, David Espalin.
• Influence of bimodal particle distribution on material properties of BaTiO3 fabricated by paste extrusion 3D printing Ceramics International 47 13 (in press), Anabel Renteria, Luisa Garcia, Victor Balcorta, Dayna Ortiz, Luis Delfin, Jaime Regis, Mariana Marcos-Hernandez, David Espalin, Tzu-Liang (Bill) Tseng, Yirong Lin.
• Effects of process interruptions on microstructure and mechanical properties of three face centered cubic alloys processed by laser powder bed fusion Journal of Manufacturing Processes 66 (in press), Cesar Terrazas-Najera, Fernando Mayoral, Oscar Garcia, Mohammad Hossain, David Espalin, Alfonso Fernandez, Lawrence E. Murr, Ryan B. Wicker.
• Fabrication of bulk alumina structures with humidity sensing capabilities using direct ink write technique Rapid Prototyping Journal 27 4 (in press), Anabel Renteria, Luisa Garcia, Jorge Diaz, Luis Delfin, Jaime Regis, Elizabeth Reza, David Espalin, Tzu-Liang (Bill) Tseng, Yirong Lin.
• Paste extrusion 3D printing and characterization of lead zirconate titanate piezoelectric ceramics Ceramics International 47 15 (in press), Samuel Hall, Jaime Regis, Anabel Renteria, Luis Chavez, Luis Delfin, Sebastian Vargas, Michael R. Haberman, David Espalin, Ryan B. Wicker, Yirong Lin.
• Comparison of ranking models to evaluate desktop 3D printers in a growing market Additive Manufacturing (2020), Amit J. Lopes, Mireya Flores, David Espalin, Ryan B. Wicker.
• Comparison of ranking models to evaluate desktop 3D printers in a growing market (2020), Amit J. Lopes, Mireya A. Perez, David Espalin, Ryan B. Wicker.
• Compressive deformation analysis of large area pellet-fed material extrusion 3D printed parts in relation to in situ thermal imaging (2020), Eduardo Meraz Trejo, Xavier Jimenez, Kazi Md Masum Billah, John Seppala, Ryan B. Wicker, David Espalin.
• Thermomechanical characterization of short carbon fiber and short glass fiber-reinforced ABS used in large format additive manufacturing (2020), Kazi Md Masum Billah, Fernando A. Lorenzana, Nikki L. Martinez, Ryan B. Wicker, David Espalin.
• Folding behavior of thermoplastic hinges fabricated with polymer extrusion additive manufacturing The International Journal of Advanced Manufacturing Technology 105 1-4 (2019), Cesar O. Balderrama-Armendariz, Eric MacDonald, David A. Roberson, Leopoldo Ruiz-Huerta, Aide Maldonado-Macias, Esdras Valadez-Gutierrez, Alberto Caballero-Ruiz, David Espalin.
• Binder jetting additive manufacturing of aluminum nitride components Ceramics International (2019), D\'iaz-Moreno, Carlos A., Yirong Lin, Hurtado-Mac\'ias, A., David Espalin, Cesar Terrazas, Lawrence E. Murr, Ryan B. Wicker.
• Binder jetting additive manufacturing of aluminum nitride components (2019), Carlos A. Diaz-Moreno, Yirong Lin, Alberto Hurtado-Macias, David Espalin, Cesar Terrazas, Lawrence E. Murr, Ryan B. Wicker.
• Electrical and Thermal Characterization of 3D Printed Thermoplastic Parts With Embedded Wires for High Current-Carrying Applications (2019), Kazi Md Masum Billah, Jose L. Coronel, Michael C. Halbig, Ryan B. Wicker, David Espalin.
• Folding behavior of thermoplastic hinges fabricated with polymer extrusion additive manufacturing (2019), Cesar O. Balderrama-Armendariz, Eric MacDonald, David A. Roberson, Leopoldo Ruiz-Huerta, Aide Maldonado-Macias, Esdras Valadez-Gutierrez, Alberto Caballero-Ruiz, David Espalin.
• Integrating digital image correlation in mechanical testing for the materials characterization of big area additive manufacturing feedstock (2019), Kevin Schnittker, Edel Arrieta, Xavier Jimenez, David Espalin, Ryan B. Wicker, David A. Roberson.
• Particle size influence on material properties of BaTiO3 ceramics fabricated using freeze-form extrusion 3D printing (2019), Anabel Renteria, Jorge A. Diaz, Baitong He, Ivan A. Renteria-Marquez, Luis A. Chavez, Jaime E. Regis, Yingtao Liu, David Espalin, Tzu-Liang (Bill) Tseng, Yirong Lin.
• Reinforcement of material extrusion 3D printed polycarbonate using continuous carbon fiber. Additive Manufacturing (2019), Mohammad N. Jahangir, Kazi Md Masum Billah, David A. Roberson, Ryan B. Wicker, David Espalin.

No info available.

• Hybrid additive manufacturing using directed energy deposition, machining, and inspection for tooling repair
• Modeling Deposition Behavior of Screw-driven Robocasting
• Drive AM Phase III
• Partnership for Advanced Manufacturing Education and Research (PAMER)