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Narendran Raghavan
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Numerical modeling of heat-transfer and the influence of process parameters on tailoring the grain morphology of IN718 in electron beam additive manufacturing
N Raghavan, R Dehoff, S Pannala, S Simunovic, M Kirka, J Turner, ...
Acta Materialia 112, 303-314, 2016
5202016
Localized melt-scan strategy for site specific control of grain size and primary dendrite arm spacing in electron beam additive manufacturing
N Raghavan, S Simunovic, R Dehoff, A Plotkowski, J Turner, M Kirka, ...
Acta Materialia 140, 375-387, 2017
1982017
Additive manufacturing of nickel superalloys: opportunities for innovation and challenges related to qualification
SS Babu, N Raghavan, J Raplee, SJ Foster, C Frederick, M Haines, ...
Metallurgical and Materials Transactions A 49, 3764-3780, 2018
1612018
Microstructure development in electron beam-melted Inconel 718 and associated tensile properties
MM Kirka, KA Unocic, N Raghavan, F Medina, RR Dehoff, SS Babu
Jom 68 (3), 1012-1020, 2016
1392016
Experiments and simulations on solidification microstructure for Inconel 718 in powder bed fusion electron beam additive manufacturing
GL Knapp, N Raghavan, A Plotkowski, T Debroy
Additive Manufacturing 25, 511-521, 2019
1342019
Role of scan strategies on thermal gradient and solidification rate in electron beam powder bed fusion
YS Lee, MM Kirka, RB Dinwiddie, N Raghavan, J Turner, RR Dehoff, ...
Additive Manufacturing 22, 516-527, 2018
792018
Mechanical properties and microstructure of 316L stainless steel produced by hybrid manufacturing
T Feldhausen, N Raghavan, K Saleeby, L Love, T Kurfess
Journal of Materials Processing Technology 290, 116970, 2021
492021
Sensitivity of thermal predictions to uncertain surface tension data in laser additive manufacturing
J Coleman, A Plotkowski, B Stump, N Raghavan, AS Sabau, MJM Krane, ...
Journal of Heat Transfer 142 (12), 122201, 2020
332020
Influence of geometry on columnar to equiaxed transition during electron beam powder bed fusion of IN718
N Raghavan, BC Stump, P Fernandez-Zelaia, MM Kirka, S Simunovic
Additive Manufacturing 47, 102209, 2021
312021
Fluid dynamics effects on microstructure prediction in single-laser tracks for additive manufacturing of IN625
AS Sabau, L Yuan, N Raghavan, M Bement, S Simunovic, JA Turner, ...
Metallurgical and Materials Transactions B 51, 1263-1281, 2020
232020
Simulation of Spot Melting Scan Strategy to Predict Columnar to Equiaxed Transition in Metal Additive Manufacturing
Y Lee, N Raghavan, MM Kirka, R Dehoff
Solid Freeform Fabrication 2017: Proceedings of the 28th Annual …, 2017
192017
3D characterization of the columnar-to-equiaxed transition in additively manufactured Inconel 718
AT Polonsky, N Raghavan, MLP Echlin, MM Kirka, RR Dehoff, TM Pollock
Superalloys 2020: Proceedings of the 14th International Symposium on …, 2020
172020
Understanding Process-Structure Relationship For Site-Specific Microstructure Control in Electron Beam Powder Bed Additive Manufacturing Process Using Numerical Modeling
N Raghavan
https://trace.utk.edu/islandora/object/utk.ir.td%3A50, 2017
122017
Scan strategies in EBM-printed IN718 and the physics of bulk 3D microstructure development
AT Polonsky, N Raghavan, MLP Echlin, MM Kirka, RR Dehoff, TM Pollock
Materials Characterization 190, 112043, 2022
112022
Corrigendum to" Numerical modeling of heat-transfer and the influence of process parameters on tailoring the grain morphology of IN718 in electron beam additive manufacturing …
N Raghavan, SS Babu, R Dehoff, S Pannala, S Simunovic, M Kirka, ...
Acta Materialia 140, 472-472, 2017
52017
Investigation of interfacial structures for hybrid manufacturing
T Feldhausen, R Kannan, N Raghavan, K Saleeby, T Kurfess, ...
Materials Letters 307, 131040, 2022
42022
Simplified model for ground heat transfer from slab-on-grade buildings
PE Kelly Kissock PhD, A Selvacanabady, N Raghavan
ASHRAE Transactions 119, 456, 2013
32013
Controlling microstructure in deposits fabricated using powder blown direct energy deposition technique
N Raghavan, BH Jordan, RR Dehoff
Oak Ridge National Lab.(ORNL), Oak Ridge, TN (United States), 2018
22018
Processing-microstructure relationships from 3d characterization of additively manufactured metals
AT Polonsky, N Raghavan, MLP Echlin, WC Lenthe, MM Kirka, RR Dehoff, ...
Microscopy and Microanalysis 25 (S2), 2582-2583, 2019
12019
Fluid Dynamics Effects on Microstructure Prediction in Single Laser Tracks for Additive Manufacturing
AS Sabau, Y Lang, N Raghavan, S Simunovic, JA Turner, VK Gupta
Oak Ridge National Lab.(ORNL), Oak Ridge, TN (United States), 2018
12018
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