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Energy and Environment Directorate

Julian Escobar Atehortua

Pacific Northwest National Laboratory
PO Box 999
Richland, WA 99352
(509) 375-2695

PNNL Publications


  • 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, and S.A. Whalen. 2023. Sensing and Control During Bulk SPP. PNNL-34995. Richland, WA: Pacific Northwest National Laboratory. Sensing and Control During Bulk SPP


  • 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

Energy and Environment

Core Research Areas