Julian Escobar Atehortua
Pacific Northwest National Laboratory
PO Box 999
Richland, WA 99352
(509) 375-2695
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PNNL Publications
2025
- 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
- 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
- Gwalani B., X. Li, A.K. Nittala, W. Choi, M. Reza E Rabby, J.D. Escobar, and A.J. Bhattacharjee, et al. 2024. "Unprecedented Electrical Performance of Friction-Extruded Copper-Graphene Composites." Materials & Design 237. PNNL-SA-190528. doi:10.1016/j.matdes.2023.112555
- Kalsar R., N.R. Overman, J.T. Darsell, J.D. Escobar, L. Li, T. Wang, and X. Ma, et al. 2024. "Material flow behavior and microstructural refinement of AA6061 alloy during friction extrusion." Materials Characterization 208. PNNL-SA-189195. doi:10.1016/j.matchar.2024.113636
- Li L., J.D. Escobar, H. Das, S. Shukla, B.J. Schuessler, N.R. Overman, and G.J. Grant, et al. 2024. "A Dislocation Density-Based Meshfree Computational Framework for Solid Phase Processing." International Journal of Mechanical Sciences 267. PNNL-SA-189360. doi:10.1016/j.ijmecsci.2024.108962
- Liu T., J.D. Escobar, M.J. Olszta, and O.A. Marina. 2024. "Role of Phosphorus Impurities in Decomposition of La2NiO4-La0.5Ce0.5O2-d Oxygen Electrode in a Solid Oxide Electrolysis Cell." Journal of Power Sources 589. PNNL-SA-186089. doi:10.1016/j.jpowsour.2023.233748
- 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
2023
- Escobar J.D., B. Gwalani, J.A. Silverstein, T. Ajantiwalay, C. Roach, L. Bergmann, and J. Fernandez dos Santos, et al. 2023. "Rapid grain refinement and compositional homogenization in a cast binary Cu50Ni alloy achieved by friction stir processing." Materials Characterization 202. PNNL-SA-185784. doi:10.1016/j.matchar.2023.112999
- Escobar J.D., B.S. Taysom, G.J. Grant, S.A. Whalen, A. Soulami, and L. Li. 2023. Sensing and Control During Bulk SPP. PNNL-34995. Richland, WA: Pacific Northwest National Laboratory. Sensing and Control During Bulk SPP
- Escobar J.D., J.A. Silverstein, F. Ishrak, L. Li, A. Soulami, S. Li, and A. Yu, et al. 2023. "Microstructural evolution in shear-punch tests: A comparative study of pure Cu and Cu-Cr alloy." Materials Science and Engineering A. Structural Materials: Properties, Microstructure and Processing 886. PNNL-SA-189843. doi:10.1016/j.msea.2023.145715
2022
- Escobar J.D., B. Gwalani, M.J. Olszta, J.A. Silverstein, T. Ajantiwalay, N.R. Overman, and W. Fu, et al. 2022. "Heterogenous activation of dynamic recrystallization and twinning during friction stir processing of a Cu-4Nb alloy." Journal of Alloys and Compounds 928. PNNL-SA-177343. doi:10.1016/j.jallcom.2022.167007
- Ma X., M.J. Olszta, J. Liu, M. Song, M. Pole, M. Pallaka, and J.A. Silverstein, et al. 2022. "Temperature-dependent formation of gradient structures with anomalous hardening in an Al-Si alloy." Materials Science and Engineering A. Structural Materials: Properties, Microstructure and Processing 858. PNNL-SA-172014. doi:10.1016/j.msea.2022.144061
- Yu A., M. Pole, J.D. Escobar, K.N. Bozhilov, J. Liu, J.A. Silverstein, and S. Mukherjee, et al. 2022. "Decoupling of Strain and Temperature Effects on Microstructural Evolution during High Shear Strain Deformation." Materialia 22. PNNL-SA-169751. doi:10.1016/j.mtla.2022.101402