Journal Publications:
1. Patra, A., McDowell, D.L., “Crystal plasticity-based constitutive modeling of irradiated bcc structures”, Philosophical Magazine, Vol. 92, 2012, pp. 861-887. link
2. Patra, A., McDowell, D.L., “Continuum modeling of localized deformation in irradiated bcc materials”, Journal of Nuclear Materials, Vol. 432, 2013, pp. 414-427. link
3. Patra, A., Zhu, T., McDowell, D.L., “Constitutive equations for modeling non-Schmid effects in single crystal bcc-Fe at low and ambient temperatures”, International Journal of Plasticity, Vol. 59, 2014, pp. 1-14. link
4. Patra, A., McDowell, D.L., “A void nucleation and growth based damage framework to model failure initiation ahead of a sharp notch in irradiated bcc materials”, Journal of the Mechanics and Physics of Solids, Vol. 74, 2015, pp. 111-135. link
5. Patra, A., Priddy, M.W., McDowell, D.L., “Modeling the effects of microstructure on the tensile properties and micro-fracture behavior of Mo-Si-B alloys at elevated temperatures”, Intermetallics, Vol. 64, 2015, pp. 6-17. link
6. Patra, A., McDowell, D.L., “Crystal plasticity investigation of the microstructural factors influencing dislocation channeling in a model irradiated bcc material”, Acta Materialia, Vol. 110, 2016, pp. 364-376. link
7. Wen, W., Capolungo, L., Patra, A., Tomé, C.N., “A physics-based crystallographic modeling framework for describing the thermal creep behavior of Fe-Cr alloys”, Metallurgical and Materials Transactions A, Vol. 48, 2017, pp. 2603-2617. link
8. Patra, A., Tomé, C.N., Golubov, S.I., “Crystal plasticity modeling of irradiation growth in Zircaloy-2”, Philosophical Magazine, Vol. 97, 2017, pp. 2018-2051. link
9. Patra, A., Tomé, C.N., “Finite element simulation of gap opening between the cladding and spacer grid in a fuel rod assembly using crystallographic models of irradiation growth and creep”, Nuclear Engineering and Design, Vol. 315, 2017, pp. 155-169. link
10. Upadhyay, M., Patra, A., Wen, W., Panzner, T., Van Petegem, S., Tomé, C.N., Lebensohn, R., Van Swygenhoven, H., “Mechanical response of stainless steel subjected to biaxial load path changes: cruciform experiments and multiscale modeling”, International Journal of Plasticity, Vol. 108, 2018, pp. 144-168. link
11. Pokharel, R., Patra, A., Brown, D.W., Clausen, B., Vogel, S.C., Gray, G.T., “An analysis of phase stresses in additively manufactured 304L stainless steel using neutron diffraction measurements and crystal plasticity finite element simulations”, International Journal of Plasticity, Vol. 121, 2019, pp. 201-217. link
12. Thool, K.S., Mani, K.V., Srivastava, D., Patra, A., Doherty, R.D., Samajdar, I., “Confirmation of dynamically recrystallized grains in hexagonal Zirconium through local internal friction measurements”, Metallurgical and Materials Transactions A, Vol. 50, 2019, pp. 5000-5014. link
13. Thool, K.S., Patra, A., Fullwood, D., Mani, K.V., Srivastava, D., Samajdar, I., “The role of crystallographic orientations on heterogeneous deformation in a Zirconium alloy: A combined experimental and modeling study”, International Journal of Plasticity, Vol. 133, 2020, 102785. link
14. Ranjan, D., Narayanan, S., Kadau, K., Patra, A., “Crystal plasticity modeling of non-Schmid yield behavior: from Ni3Al single crystals to Ni-based superalloys”, Modelling and Simulation in Materials Science and Engineering, Vol. 29, 2021, 055005. link
15. Ellis, B.D., Haider, H., Priddy, M.W., Patra, A., “Integrated computational design of three-phase Mo-Si-B alloy turbine blade for high-temperature aerospace applications”, Integrating Materials and Manufacturing Innovation, Vol. 10, 2021, pp. 245-264. link
16. Basu, S., Jaya, B.N., Patra, A., Ganguly, S., Dutta, M., Hohenwarter, A., Samajdar, I., “The role of phase hardness differential on the non-uniform elongation of a ferrite-martensite dual phase steel”, Metallurgical and Materials Transactions A, Vol. 52, 2021, pp. 4018-4032. link
17. Khandelwal, S., Basu, S., Patra, A., “A machine learning-based surrogate modeling framework for predicting the history-dependent deformation of dual phase microstructures”, Materials Today Communications, Vol. 29, 2021, 102914. link
18. Pai, N., Prakash, A., Samajdar, I., Patra, A., “Study of grain boundary orientation gradients through combined experiments and strain gradient crystal plasticity modeling”, International Journal of Plasticity, Vol. 156, 2022, 103360. link
19. Basu, S., Patra, A., Jaya, B.N., Ganguly, S., Dutta, M., Samajdar, I., “Study of microstructure - property correlations in dual phase steels for achieving enhanced strength and reduced strain partitioning”, Materialia, Vol. 25, 2022, 101522. link
20. Chaudhary, S., Guruprasad, P.J., Patra, A., “Crystal plasticity constitutive modeling of tensile, creep and cyclic deformation in single crystal Ni-based superalloys”, Mechanics of Materials, Vol. 174, 2022, 104474. link
21. Patra, A., Pai, N., Sharma, P., “Modeling intrinsic size effects using dislocation density-based strain gradient plasticity”, Mechanics Research Communications, Vol. 127, 2023, 104038. link
22. Basu, S., Jaya, B.N., Seekala, H., Phani, P.S., Patra, A., Ganguly, S., Dutta, M., Samajdar, I., “Correlative characterization and plasticity modeling of microscopic strain localizations in a dual phase steel”, Materials Characterization, Vol. 197, 2023, 112704. link
23. Dhole, A., Patra, A., Gupta, R., Gokhale, A., Samajdar, I., “Surface hardening through oxygen diffusion in niobium: the defining role of stress inhomogeneity in tensile embrittlement”, Materials Science and Engineering: A, Vol. 870, 2023, 144883. link
24. Patra, A., Chaudhary, S., Pai, N., Ramgopal, T., Khandelwal, S., Rao, A., McDowell, D.L., “ρ-CP: Open source dislocation density based crystal plasticity framework for simulating temperature- and strain rate-dependent deformation”, Computational Materials Science, Vol. 224, 2023, 112182. link1 link2
25. Chaudhary, S., Pai, N., Appa Rao, G., Alam, Z., Sankarasubramanian, R., Guruprasad, P.J., Samajdar, I., Patra, A., “Competitive role of primary γ ’ precipitates and annealing twins on the heterogeneous deformation of a polycrystalline Ni-based superalloy: crystal plasticity modeling and experiments”, Journal of Alloys and Compounds, Vol. 967, 2023, 171783. link
26. Pai, N., Manda, S., Sudhalkar, B., Syphus, B., Fullwood, D., de Kloe, R., Wright, S., Patra, A., Samajdar, I., “Diffraction-based multiscale residual strain measurements”, Microscopy and Microanalysis, Vol. 30, 2024, pp. 236-252. link
27. Patra, A., Tomé, C.N., “A dislocation density-based crystal plasticity constitutive model: Comparison of VPSC effective medium predictions with ρ-CP finite element predictions”, Modelling and Simulation in Materials Science and Engineering, Vol. 32, 2024, 045014. link
28. Sudhalkar, B., Pai, N., Patra, A., Kapoor, K., Kapoor, R., Agarwal, A., Samajdar, I., “Grain boundary localized damage in hexagonal titanium”, Materials Science and Engineering: A, Vol. 902, 2024, 146608. link
29. Pai, N., Samajdar, I., Patra, A., “Microstructural and mechanistic insights into the tension - compression asymmetry of rapidly solidified Fe-Cr alloys: A phase field and strain gradient plasticity study”, Journal of the Mechanics and Physics of Solids, Vol. 189, 2024, 105695. link1 link2
30. Kumar, S., Patra, A., Sahu, J.K., “Dislocation density-based constitutive model for cyclic deformation and softening of Ni-based superalloys”, Fatigue and Fracture of Engineering Materials and Structures, Vol. 47, 2024, pp. 3264-3284. link
31. Chaudhary, S., Sudhalkar, B., Pai, N., Palit, M., Alam, Z., Sankarasubramanian, R., Samajdar, I., Patra, A., “A crystal plasticity-based micromechanical model for precipitate shearing: Application to cyclic softening of polycrystalline Ni-based superalloys”, International Journal of Fatigue, Vol. 190, 2025, 108582. link
Conference Presentations/Proceedings:
Patra, A.*, McDowell, D.L., “Crystal plasticity modeling of radiation damage in bcc structural materials”, ANS Annual Meeting, Hollywood, FL, June 26-30, 2011.
Patra, A.*, McDowell, D.L., “Modeling localized deformation in irradiated bcc metals using continuum crystal plasticity”, 49th Annual Technical Meeting of the Society of Engineering Science, Atlanta, GA, October 10-12, 2012.
Patra, A.*, McDowell, D.L., “Crystal plasticity modeling of localized deformation in irradiated bcc metals”, MRS Fall Meeting, Boston, MA, November 25-30, 2012.
Patra, A., McDowell, D.L.*, “Mesoscopic modeling of dislocation-defect interactions and flow localization in irradiated bcc metals”, TMS Annual Meeting, San Antonio, TX, March 3-7, 2013.
Cochran, J.*, Daloz, W., Marshall, P., McDowell, D.L., Patra, A., Wedding, C., Strbik, O., “Silicon and boron containing composites of molybdenum alloyed with manganese”, MS&T ′13, Montreal, Canada, October 27-31, 2013.
Patra, A.*, Zhu, T., McDowell, D.L., “Constitutive equations for dislocation core spreading in bcc-Fe accounting for dislocation-dislocation interactions and finite temperature effects”, MS&T ′13, Montreal, Canada, October 27-31, 2013.
Tomé, C.N., Patra, A.*,', Golubov, S.I., Barashev, A.V., “Modeling radiation-induced deformation of Zr-based polycrystals with novel mechanisms of radiation growth and creep”, 18th International Symposium on Zirconium in the Nuclear Industry, Hilton Head, SC, May 15-19, 2016.
Patra, A.*,', McDowell, D.L., “Analysis of dislocation channeling in irradiated bcc materials using a crystal plasticity finite element framework”, NuMat 2016, Montpellier, France, November 7-11, 2016.
Patra, A.*, Tomé, C.N., “Coupled crystal plasticity-finite element modeling of irradiation growth and creep in Zircaloy-2”, NuMat 2016, Montpellier, France, November 7-11, 2016.
Patra, A.*, Tomé, C.N., “Microstructure-based modeling of irradiation growth in zirconium alloys using crystal plasticity”, International Workshop on Mechanics of Energy Materials 2018, Indian Institute of Technology Madras, Chennai, November 19-22, 2018 (invited).
Patra, A.*, Pokharel, R., Brown, D., Clausen, B., Vogel, S., Gray, G.T., “Residual stress analysis in additively manufactured 304L steel using combined experiments and modeling”, Microstructural Engineering 2018-19, Indian Institute of Technology Kanpur, Kanpur, March 30-31, 2019 (invited).
Ranjan, D., Narayanan, S., Patra, A.*, “Crystal plasticity modeling of the yield anomalies of Ni3Al single crystals”, International Conference on Advanced Materials and Processes for Defense Applications ADMAT 2019, Hyderabad, September 23-25, 2019 (invited).
Thool, K., Patra, A.*, Fullwood, D., Samajdar, I., “Combined experiments and modeling to assess the residual strains in an annealed Zr alloy during interrupted tensile testing”, International Conference on Plasticity Damage and Fracture 2020, Riviera Maya, Mexico, January 3-9, 2020 (invited).
Ranjan, D., Patra, A.*, “Modeling the temperature-dependent non-Schmid yield behavior of Ni3Al crystals”, International Conference on Plasticity Damage and Fracture 2020, Riviera Maya, Mexico, January 3-9, 2020 (invited).
Ranjan, D.*, Narayanan, S., Kadau, K., Patra, A., “Crystal plasticity modeling of the yield behavior of Ni3Al crystals and Ni-base superalloys”, 14th WCCM and ECCOMAS Congress 2020, Virtual Conference, January 11-15, 2021.
Basu, S.*, Patra, A., Jaya, B.N., Ganguly, S., Dutta, M., Samajdar, I., “A computational modeling framework for studying the microstructural factors inducing strain partitioning in Dual Phase steels”, 14th WCCM and ECCOMAS Congress 2020, Virtual Conference, January 11-15, 2021.
Chaudhary, S.*, Guruprasad, P.J., Patra, A., “Crystal plasticity modeling of creep and fatigue deformation in Ni-based superalloy single crystals”, 8th International Conference on Creep, Fatigue and Creep-Fatigue Interaction (CF-8), Virtual Conference, IGCAR, Kalpakkam, August 24-27, 2021.
Pai, N.*, Prakash, A., Samajdar, I., Patra, A., “Study of near boundary gradient zones in an aluminum alloy using strain gradient crystal plasticity and experiments”, Virtual Presentation, MS&T ′21, Columbus, USA, October 17-21, 2021.
Pai, N.*, Samajdar, I., Patra, A., “Study of the effect of gradient plasticity on the deformation of metallic systems via combined modeling and experiments”, 24th International Conference on Computer Methods in Mechanics (CMM) & 42nd Solid Mechanics Conference (SolMech), Swinoujscie, Poland, September 5-8, 2022.
Chaudhary, S.*, Guruprasad, P.J., Patra, A., “Crystal plasticity constitutive modeling of thermo- mechanical deformation in Ni-based superalloy single crystals”, 4th European Symposium on Superalloys and their Applications (EuroSuperalloys 2022), Bamberg, Germany, September 18-22, 2022.
Chaudhary, S., Pai, N., Samajdar, I., Guruprasad, P.J., Patra, A.*, “Crystal plasticity constitutive modeling of thermomechanical deformation in Ni-based superalloys”, Advances in Materials & Processing: Challenges & Opportunities (AMPCO ‘22), Indian Institute of Technology Roorkee, October 17-19, 2022 (invited).
Chaudhary, S.*, Pai, N., Appa Rao, G., Alam, Z., Sankarasubramanian, R., Guruprasad, P.J., Samajdar, I., Patra, A., “Experimentally informed crystal plasticity model for predicting the deformation of a polycrystalline Ni-based superalloy”, Indian Institute of Metals - Annual Technical Meeting (IIM-ATM) 2022, Hyderabad, November 14-16, 2022.
Pai, N., Samajdar, I., Patra, A.*, “Modeling grain-scale deformation phenomena using strain gradient plasticity”, 8th Asian Conference on Mechanics of Functional Materials and Structures (ACMFMS), Indian Institute of Technology Guwahati, December 11-14, 2022 (invited).
Pai, N., Samajdar, I., Patra, A.*, “Modeling misorientation development and solute segregation during deformation and heat treatment in Al alloys: strain gradient crystal plasticity and phase field study”, Platinum Jubilee Conference on Perspectives in Materials Research, Indian Institute of Science, Bangalore, December 21-23, 2022 (invited).
Pai, N.*, Samajdar, I., Patra, A., “Insights into the tension-compression asymmetry of additively manufactured alloys: a combined phase field-strain gradient plasticity study”, 29th International Conference on Processing and Fabrication of Advanced Materials, Indian Institute of Technology Tirupati, September 6-8, 2023.
Chaudhary, S.*, Pai, N., Sudhalkar, B., Alam, Z., Sankarasubramanian, R., Guruprasad, P.J., Samajdar, I., Patra, A., “Crystal plasticity model for cyclic softening of a polycrystalline Ni-based superalloy”, 29th International Conference on Processing and Fabrication of Advanced Materials, Indian Institute of Technology Tirupati, September 6-8, 2023.
Patra, A.*, “Leveraging high performance computing for crystal plasticity simulations using ρ-CP”, Symposium on Materials and Computational Chemistry Applications on HPC Platform, C-DAC, Pune, October 12-13, 2023 (invited).
Pai, N., Samajdar, I., Patra, A.*, “Coupled phase field and strain gradient plasticity model for studying the microstructural origins of tension-compression asymmetry in rapidly solidified microstructures”, International Conference on Plasticity, Damage and Fracture 2024, Panama City, Panama, January 3-8, 2024 (invited keynote).
Singh, L.*, Chaudhary, S., Tomé, C.N., Patra, A., “A dislocation density-based crystal plasticity constitutive model for the anisotropic deformation behavior of CP-Titanium”, National Symposium of Research Scholars, Indian Institute of Technology Kanpur, March 9-10, 2024.
Chaudhary, S.*, Sudhalkar, B., Pai, N., Guruprasad, P.J., Samajdar, I., Patra, A., “Crystal plasticity constitutive model for cyclic deformation and softening in polycrystalline Ni-based superalloys”, 8th International Conference on Material Modelling, Loughborough University, London, UK, July 15-17, 2024.
Chaudhary, S., Pai, N., Sudhalkar, B., Palit, M., Alam, Z., Sankarasubramanian, R., Guruprasad, P.J., Samajdar, I., Patra, A.*, “Crystal plasticity constitutive model for tensile and cyclic deformation of polycrystalline Ni-based superalloys”, 5th International Structural Integrity Conference and Exhibition (SICE), VNIT, Nagpur, October 22-24, 2024 (invited).
* indicates speaker, ' indicates poster presentation.
