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Energy and Environment Directorate

Hrishikesh Das

Pacific Northwest National Laboratory
PO Box 999
Richland, WA 99352
(509) 375-1990

PNNL Publications

2024

  • Balusu K., H. Das, S. Shukla, A. Soulami, and P. Upadhyay. 2024. "Investigating strength increasing modifications to a friction stir welded AA7075 T-peel joint's exist location: a modeling led study." The International Journal of Advanced Manufacturing Technology 130, no. 11-12:5591-5600. PNNL-SA-184862. doi:10.1007/s00170-024-12961-w
  • Das H., M. Reza E Rabby, S.A. Whalen, P. Upadhyay, and G.J. Grant. 2024. "Impact of backing plate and thermal boundary conditions for high-speed friction stir welding of 25-mm thick aluminum alloy 7175-T79." International Journal of Precision Engineering and Manufacturing-Green Technology. PNNL-SA-184852. doi:10.1007/s40684-024-00607-x
  • 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
  • Li L., M. Pole, H. Das, S. Niverty, M. Reza E Rabby, J. Fernandez dos Santos, and A. Soulami. 2024. "Meshfree Process Modeling and Experimental Validation of Friction Riveting of Aluminum 5052 to Aluminum 6061." In Light Metals 2024: Proceedings of the Light Metals Symposium held at the TMS Annual Meeting and Exhibition, March 3-7, 2024, Orlando, FL, edited by S. Wagstaff, 298-305. PNNL-SA-189749. doi:10.1007/978-3-031-50308-5_39
  • Li X., H. Das, M. Pole, L. Li, A. Soulami, G.J. Grant, and D.R. Herling, et al. 2024. "Exceptional Strength and Wear Resistance in an AA7075/TiB2 Composite Fabricated via Friction Consolidation." Materials & Design 242, no. _:Art. No. 113006. PNNL-SA-194466. doi:10.1016/j.matdes.2024.113006
  • Samanta A., A. Lall, H. Das, R.J. Seffens, G.J. Grant, and S. Jana. 2024. "Enhanced Toughness and Tear Resistance of Thin-walled High-Pressure Die-Cast Aluminum Alloys through Friction Stir Processing." Materials Letters 357. PNNL-SA-191954. doi:10.1016/j.matlet.2023.135752
  • Samanta A., H. Das, J.I. Royer, A. Lall, G.J. Grant, and S. Jana. 2024. "Friction Stir Processing on a Strontium Modified, Thin-wall, Vacuum-Assisted High-Pressure Die-Cast Aural-5 Alloy to Improve Tensile and Fatigue Performance." Materials Science and Engineering A. Structural Materials: Properties, Microstructure and Processing 912, no. _:Art. No. 146977. PNNL-SA-197227. doi:10.1016/j.msea.2024.146977

2023

  • Balusu K., H. Das, X. Li, T.J. Roosendaal, R.J. Seffens, A. Soulami, and P. Upadhyay. 2023. "THE ROLE OF FRACTURE PROPERTIES ON LAP JOINT STRENGTH OF FRICTION STIR WELDED AA7055-T6 SHEETS." In TMS 2023: Friction Stir Welding and Processing XII Symposium held at the TMS Annual Meeting and Exhibition, March 19-23, 2023. San Diego, CA. Minerals, Metals and Materials Series, edited by Y. Hovanksi, et al, 193-205. Cham:Springer. PNNL-SA-178514. doi:10.1007/978-3-031-22661-8_18
  • Das H., K.S. Kappagantula, A. Srivastava, P. Upadhyay, J. Fernandez dos Santos, and M. Reza E Rabby. 2023. "Embedded anchoring of multi-material assemblies by friction riveting process." In TMS 2023: Friction Stir Welding and Processing XII Symposium held at the TMS Annual Meeting and Exhibition, March 19-23, 2023. San Diego, CA. Minerals, Metals and Materials Series, edited by Y. Hovanksi, et al, 149-156. Cham:Springer. PNNL-SA-177374. doi:10.1007/978-3-031-22661-8_14
  • Das H., P. Upadhyay, M. Reza E Rabby, U. Okeke, and M. Mcdonnell. 2023. "High speed butt joining of 1” thick 2139-T8." In TMS 2023: Friction Stir Welding and Processing XII Symposium held at the TMS Annual Meeting and Exhibition, March 19-23, 2023. San Diego, CA. Minerals, Metals and Materials Series, edited by Y. Hovanksi, et al, 209-215. Cham:Springer. PNNL-SA-178259. doi:10.1007/978-3-031-22661-8_19
  • Das H., R. Kalsar, S. Shukla, S.Y. Anaman, P. Upadhyay, and H. Cho. 2023. "Microstructure and texture evolution of friction stir lap welded dissimilar multi-aluminum stack." Materials Characterization 206, no. Part A:Art. No. 113398. PNNL-SA-184435. doi:10.1016/j.matchar.2023.113398
  • Das H., X. Li, L. Li, B.J. Schuessler, N.R. Overman, J.T. Darsell, and P. Upadhyay, et al. 2023. "An innovative and alternative approach toward gear fabrication." Journal of Manufacturing Processes 102. PNNL-SA-184447. doi:10.1016/j.jmapro.2023.07.050
  • Ding Q., H. Das, P. Upadhyay, B.C. Sousa, K. Karayagiz, A. Powell, and B. Mishra. 2023. "Microstructural, Corrosion, and Mechanical Characterization of Friction Stir Welded Al 6022-to-ZEK100 Mg Joints." Corrosion and Materials Degradation 4, no. 1:142-157. PNNL-SA-178496. doi:10.3390/cmd4010009
  • 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
  • Reza E Rabby M., H. Das, T. Wang, M. Komarasamy, S.A. Whalen, and G.J. Grant. 2023. "High-Speed Friction Stir Butt Welding of 25.4 mm Thick 7175-T79 Aluminum Alloy." Manufacturing Letters 38. PNNL-SA-184859. doi:10.1016/j.mfglet.2023.08.140
  • Samanta A., H. Das, G.J. Grant, and S. Jana. 2023. "Enhanced Tensile and Tear Toughness Properties of Thin-Wall Vacuum-Assisted High-Pressure Die-Cast Aural-5 Alloy by Friction Stir Processing." In TMS 2023: Friction Stir Welding and Processing XII Symposium held at the TMS Annual Meeting and Exhibition, March 19-23, 2023. San Diego, CA. Minerals, Metals and Materials Series, edited by Y. Hovanksi, et al, 41-49. Cham:Springer. PNNL-SA-177752. doi:10.1007/978-3-031-22661-8_4
  • Srivastava A., H. Das, D. Ramirez Tamayo, L. Li, M. Pole, B. Gwalani, and A. Soulami, et al. 2023. "Extent of interlocking and metallurgical bonding in friction riveting of aluminum alloy to steel." International Journal of Advanced Manufacturing Technology 128, no. 7-8:2899-2911. PNNL-SA-180851. doi:10.1007/s00170-023-12111-8

2022

  • Das H., B. Gwalani, X. Ma, and P. Upadhyay. 2022. "Metallurgical Joining of immiscible system: Pure Mg and Pure Fe." Materials Characterization 187. PNNL-SA-166753. doi:10.1016/j.matchar.2022.111821
  • 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
  • Nasim W., H. Das, S.S. Kulkarni, A. Rohatgi, D.R. Herling, G.J. Grant, and P. Upadhyay, et al. 2022. "Local Thermomechanical Processing for Improving Formability of High Strength Aluminum Sheets." In SAE Annual World Congress Experience, (WCX 2022), April 5-7, 2022, Virtual, Online. SAE Technical Papers, Paper No. 2022-01-0244. Warrendale, Pennsylvania:SAE International. PNNL-SA-168320. doi:10.4271/2022-01-0244
  • 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., H. Das, G.J. Grant, and S. Jana. 2022. "Effect of tool design and pass strategy on defect elimination and uniform, enhanced tensile properties of friction stir processed high-pressure die-cast A380 alloy." Materials Science and Engineering A. Structural Materials: Properties, Microstructure and Processing 861. PNNL-SA-177217. doi:10.1016/j.msea.2022.144388
  • 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
  • Wang T., S.A. Whalen, X. Ma, J.A. Silverstein, H. Das, M. Pallaka, and A. Ortiz, et al. 2022. "Friction-based riveting technique for AZ31 magnesium alloy." Journal of Magnesium and Alloys 10, no. 1:110 - 118. PNNL-SA-155089. doi:10.1016/j.jma.2021.06.004

2021

  • Das H., and P. Upadhyay. 2021. "Stationary Shoulder Friction Stir Assisted Scribe Technique for Dissimilar Joining." Journal of Manufacturing Science and Engineering 143, no. 9:Article No. 094503. PNNL-SA-156811. doi:10.1115/1.4050188
  • Das H., P. Upadhyay, S.S. Kulkarni, and W. Choi. 2021. "Dissimilar joining of ZEK100 and AA6022 for automotive application." In Friction Stir Welding and Processing XI. The Minerals, Metals & Materials Series, edited by Y. Hovanski, et al. Cham:Springer. PNNL-SA-156101. doi:10.1007/978-3-030-65265-4_11
  • Das H., P. Upadhyay, T. Wang, B. Gwalani, and X. Ma. 2021. "Interfacial reaction during friction stir assisted scribe welding of immiscible Fe and Mg alloy system." Scientific Reports 11, no. 1:1588. PNNL-SA-155716. doi:10.1038/s41598-021-81266-9
  • Kulkarni S.S., H. Das, D. Ramirez Tamayo, X. Ma, T. Wang, D. Zhang, and P. Upadhyay, et al. 2021. "A Combined Experimental and Modeling Approach to Investigate the Performance of Joint Between AZ31 Magnesium and Uncoated DP590 Steel Using Friction Stir-Assisted Scribe Technique." Journal of Materials Engineering and Performance 30, no. 11:8296-8308. PNNL-SA-158790. doi:10.1007/s11665-021-06060-0
  • Kulkarni S.S., T.J. Truster, H. Das, V. Gupta, A. Soulami, P. Upadhyay, and D.R. Herling. 2021. "Microstructure-based modeling of friction stir welded joint of dissimilar metals using crystal plasticity." Journal of Manufacturing Science and Engineering 143, no. 12:Art. No. 121008. PNNL-SA-160187. doi:10.1115/1.4051190
  • Kulkarni S.S., V. Gupta, A. Ortiz, H. Das, P. Upadhyay, E.I. Barker, and D.R. Herling. 2021. "Determining cohesive parameters for modeling interfacial fracture in dissimilar-metal friction stir welded joints." International Journal of Solids and Structures 216. PNNL-SA-153218. doi:10.1016/j.ijsolstr.2021.01.023
  • Mondal M., S. Basak, H. Das, S. Hong, H. Choi, J. Park, and H. Han. 2021. "Manufacturing of magnesium/aluminium bimetallic ring components by friction stir assisted simultaneous forging and solid-state joining." International Journal of Precision Engineering and Manufacturing-Green Technology 8, no. 5:1429-1438. PNNL-SA-150783. doi:10.1007/s40684-020-00244-0
  • Upadhyay P., H. Das, and D.D. Graff. 2021. "Three Sheet Al alloy assembly for automotive application." In Friction Stir Welding and Processing XI, The Minerals, Metals & Materials Series, edited by Y. Hovanski, et al. Cham:Springer. PNNL-SA-157267. doi:10.1007/978-3-030-65265-4_2
  • Wang T., L. Li, M. Pallaka, H. Das, S.A. Whalen, A. Soulami, and P. Upadhyay, et al. 2021. "Mechanical and microstructural characterization of AZ31 magnesium-carbon fiber reinforced polymer joint obtained by friction stir interlocking technique." Materials & Design 198. PNNL-SA-150263. doi:10.1016/j.matdes.2020.109305

2020

  • Das H., M. Mondal, S. Hong, J. Lee, and H. Cho. 2020. "Texture and precipitation behavior of friction stir welded Inconel 825 alloy." Materials Today Communications 25. PNNL-SA-153372. doi:10.1016/j.mtcomm.2020.101295

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