Skip to Main Content U.S. Department of Energy
Energy and Environment Directorate

David Garcia

Pacific Northwest National Laboratory
PO Box 999
Richland, WA 99352
(509) 372-5984

PNNL Publications

2025

  • Koch J.V., W. Choi, E. King, D. Garcia, H. Das, T. Wang, and K.A. Ross, et al. 2025. "Neural Lumped Parameter Differential Equations with Application in Friction-Stir Processing." Journal of Intelligent Manufacturing 36, no. 2:1111-1121. PNNL-SA-184214. doi:10.1007/s10845-023-02271-5
  • Li L., D. Garcia, T. Wang, J.D. Escobar, M. Pole, K. Nwe, and D.M. Brown, et al. 2025. "Meshfree simulation and prediction of recrystallized grain size in friction stir processed 316L stainless steel." Journal of Materials Processing Technology 337. PNNL-SA-205212. doi:10.1016/j.jmatprotec.2025.118751

2024

  • Burns C.A., S.J. Livers, S. Meher, A. Mahmud, D. Garcia, P. Meher, and T. Hartmann, et al. 2024. Development Results on Replacement Materials for Current Scarce or High Supply Chain Risk Materials. PNNL-36491. Richland, WA: Pacific Northwest National Laboratory. Development Results on Replacement Materials for Current Scarce or High Supply Chain Risk Materials
  • Garcia D., T. Wang, J.D. Escobar, M. Pole, X. Ma, and K.A. Ross. 2024. "In-situ Measurement and Control of the Tool-Workpiece Interface Temperature during Friction Stir Processing of 304/304L Stainless Steel." Materials Today Communications 38. PNNL-SA-188434. doi:10.1016/j.mtcomm.2023.107672
  • Griffiths R.J., D. Garcia, G. Hahn, J. Lua, N. Phan, and H. Yu. 2024. "A Non-Melting Additive Approach to Structural Repair of Aluminum Aircraft Fastener Holes." Additive Manufacturing Letters 11. PNNL-SA-205040. doi:10.1016/j.addlet.2024.100249
  • Nartu M., S. Meher, I.J. van Rooyen, D. Garcia, T. Wang, J. Fernandez dos Santos, and S. Tripathi, et al. 2024. Advanced Manufacturing Techniques and Compositions of High Entropy Alloys for Nuclear Applications. PNNL-36488. Richland, WA: Pacific Northwest National Laboratory. Advanced Manufacturing Techniques and Compositions of High Entropy Alloys for Nuclear Applications
  • Sarvesha R., D. Garcia, T. Dolmetsch, T. Wang, R. Eberheim, V.K. Champagne, and K.A. Ross, et al. 2024. "In-Situ Study on Fracture Behavior of Thick-Section Friction Stir-Welded AA 5083 Alloy." Advanced Engineering Materials 26, no. 9:Art. No. 2301574. PNNL-SA-178490. doi:10.1002/adem.202301574
  • van Rooyen I., S. Meher, P.K. Thallapally, J. Fernandez dos Santos, C.M. Silva, S. Shin, and T. Wang, et al. 2024. Nuclear Energy Critical Material Waste Minimization Enabled by AM Techniques. PNNL-36049. Richland, WA: Pacific Northwest National Laboratory. doi:10.2172/2481591.Nuclear Energy Critical Material Waste Minimization Enabled by AM Techniques
  • van Rooyen I.J., M. Komarasamy, C.M. Silva, T. Ajantiwalay, Q.R. Miller, R. Prabhakaran, and S. Tripathi, et al. 2024. Preliminary Characterization and Evaluation on ShAPE Manufactured 316H and ODS Steels. PNNL-36737. Richland, WA: Pacific Northwest National Laboratory. Preliminary Characterization and Evaluation on ShAPE Manufactured 316H and ODS Steels
  • Wang T., D. Garcia, M. Pole, and K.A. Ross. 2024. "Force Reduction of Friction Stir Welding and Processing of Steel." Materialia 33, no. _:Art. No. 102050. PNNL-SA-188275. doi:10.1016/j.mtla.2024.102050
  • Wang T., D. Garcia, T. Liu, U. Okeke, M. Perry, C.B. Smith, and K.A. Ross. 2024. "Effect of Feed-Rod Tilting on Friction Surfacing of Steel." Surface & Coatings Technology 493, no. Part 2:Art No. 131263. PNNL-SA-197361. doi:10.1016/j.surfcoat.2024.131263
  • Wang T., Z. Lu, T. Liu, H. Park, D. Garcia, D. Li, and S.A. Whalen. 2024. Achieving high-ZT in Te/Se-based thermoelectric materials via volume-constrained shear-induced plastic deformation. PNNL-36668. Richland, WA: Pacific Northwest National Laboratory. Achieving high-ZT in Te/Se-based thermoelectric materials via volume-constrained shear-induced plastic deformation

2023

  • Garcia D., H. Das, K. Sadayappan, P. Newcombe, D.R. Herling, G.J. Grant, and M. Komarasamy. 2023. "Solid Phase Processing of Mg-Al-Mn-Ca for High Strength and Ductility." In TMS Annual Meeting & Exhibition, Magnesium Technology 2023, March 19-23, 2023, San Diego, CA. The Minerals, Metals & Materials Series., edited by S. Barela, et al, 131-133. Cham:Springer. PNNL-SA-178509. doi:10.1007/978-3-031-22645-8_27
  • Garcia D., T. Wang, S. Rajashekara, T. Dolmetsch, A. Agarwal, and K.A. Ross. 2023. "Investigation of Raster Pattern Spacing and Direction for Friction Stir Additive Manufacturing of Al5083." JOM. The Journal of the Minerals, Metals and Materials Society 75, no. 2023:4223-4230. PNNL-SA-183835. doi:10.1007/s11837-023-06017-9
  • Lama A., S. Rajashekara, D. Garcia, T. Dolmetsch, T. Wang, R. Eberheim, and K.A. Ross, et al. 2023. "Macroscale property assessment and indentation characteristics of thick section friction stir welded Al 5083." Materials Science and Engineering A. Structural Materials: Properties, Microstructure and Processing 880. PNNL-SA-184772. doi:10.1016/j.msea.2023.145306
  • van Rooyen I., S. Meher, J. Fernandez dos Santos, M. Komarasamy, M. Nartu, J.B. Wierschke, and R. Prabhakaran, et al. 2023. Feasibility Evaluation of a Solid Phase Scalable HEA Cladding Manufacturing Route. PNNL-35499. Richland, WA: Pacific Northwest National Laboratory. Feasibility Evaluation of a Solid Phase Scalable HEA Cladding Manufacturing Route

2022

  • Garcia D., H. Das, X. Ma, T.J. Roosendaal, G.J. Grant, and M. Komarasamy. 2022. "Exploring the Microstructure-Property Relationship of Mg-Al-Mn alloys enhanced via Friction Stir Processing." In Magnesium Technology Symposium held at the TMS Annual Meeting and Exhibition, (Magnesium Technology 2022), February 27-March 3, 2022, Anaheim, CA, edited by P. Maier, et al, 197-200. Cham:Springer. PNNL-SA-167290. doi:10.1007/978-3-030-92533-8_33
  • Samanta A., H. Das, D. Garcia, R.J. Seffens, T.J. Roosendaal, A.D. Guzman, and G.J. Grant, et al. 2022. "Microstructural modification of a high-pressure die-cast A380 alloy through friction stir processing and its effect on mechanical properties." In Light Metals Symposium held at the TMS Annual Meeting and Exhibition, February 27-March 3, 2022. Anaheim, CA. Minerals, Metals and Materials Series, edited by D. Eskin, 766 - 771. Cham:Springer. PNNL-SA-166425. doi:10.1007/978-3-030-92529-1_101
  • Samanta A., R.J. Seffens, H. Das, A.D. Guzman, T.J. Roosendaal, D. Garcia, and M. Song, et al. 2022. "Microstructure-refinement-driven enhanced tensile properties of high-pressure die-cast A380 alloy through friction stir processing." Journal of Manufacturing Processes 78. PNNL-SA-170274. doi:10.1016/j.jmapro.2022.04.027

Energy and Environment

Core Research Areas

Contacts