フォロー
Rama Srinivas Varanasi
Rama Srinivas Varanasi
Institute for Materials Research, Tohoku University
確認したメール アドレス: tohoku.ac.jp
タイトル
引用先
引用先
Macroscopic to nanoscopic in situ investigation on yielding mechanisms in ultrafine grained medium Mn steels: role of the austenite-ferrite interface
B Sun, Y Ma, N Vanderesse, RS Varanasi, W Song, P Bocher, D Ponge, ...
Acta Materialia 178, 10-25, 2019
1252019
Mechanisms of austenite growth during intercritical annealing in medium manganese steels
RS Varanasi, M Lipińska-Chwałek, J Mayer, B Gault, D Ponge
Scripta Materialia 206, 114228, 2022
522022
Effect of Nb micro-alloying on austenite nucleation and growth in a medium manganese steel during intercritical annealing
RS Varanasi, B Gault, D Ponge
Acta Materialia 229, 117786, 2022
502022
Localized deformation inside the Lüders front of a medium manganese steel
RS Varanasi, S Zaefferer, B Sun, D Ponge
Materials Science and Engineering: A 824, 141816, 2021
362021
Machine-learning-enhanced time-of-flight mass spectrometry analysis
Y Wei, RS Varanasi, T Schwarz, L Gomell, H Zhao, DJ Larson, B Sun, ...
Patterns 2 (2), 2021
352021
Chromium coatings from trivalent chromium plating baths: Characterization and cathodic delamination behaviour
JM Prabhakar, RS Varanasi, CC da Silva, S Saood, A de Vooys, A Erbe, ...
Corrosion Science 187, 109525, 2021
252021
Machine-learning-based atom probe crystallographic analysis
Y Wei, B Gault, RS Varanasi, D Raabe, M Herbig, AJ Breen
Ultramicroscopy 194, 15-24, 2018
212018
Evolution of morphology and texture during high energy ball milling of Ni and Ni-5 wt% Cu powders
N Chawake, RS Varanasi, B Jaswanth, L Pinto, S Kashyap, N Koundinya, ...
Materials Characterization 120, 90-96, 2016
152016
Mixed type brittle fracture in 1.5 GPa dual-phase steel via {100} ferrite cleavage cracking
RS Varanasi, M Koyama, Y Shibayama, E Akiyama
Materials Science and Engineering: A 857, 144021, 2022
132022
Hierarchical Deformation Heterogeneity during Lüders Band Propagation in an Fe-5Mn-0.1 C Medium Mn Steel Clarified through in situ Scanning Electron Microscopy
M Koyama, T Yamashita, S Morooka, Z Yang, RS Varanasi, T Hojo, ...
ISIJ International 62 (10), 2043-2053, 2022
132022
Hydrogen and deuterium charging of lifted-out specimens for atom probe tomography
H Khanchandani, SH Kim, RS Varanasi, TS Prithiv, L Stephenson, B Gault
Open Research Europe 1 (122), 2022
13*2022
Phase transformations and microstructure evolutions during depressurization of hydrogenated Fe–Mn–Si–Cr alloy
RS Varanasi, M Koyama, H Saitoh, R Utsumi, T Sato, S Orimo, E Akiyama
International Journal of Hydrogen Energy, 2023
42023
Overview of hydrogen effects on γ− ε martensitic transformation in steels
M Koyama, S Iikubo, RS Varanasi
isij international 64 (4), 732-741, 2024
32024
Hydrogen-Induced Delayed Fracture in a 1.5 GPa Dual-Phase Steel via Coalescence of Surface and Sub-surface Cracks
RS Varanasi, M Koyama, Y Shibayama, S Chiba, S Ajito, T Hojo, ...
Metallurgical and Materials Transactions A 54 (8), 2989-2997, 2023
32023
Phdnet report 2019
LHM Olsthoorn, LA Heckmann, A Filippi, RM Vieira, RS Varanasi, ...
32020
Mechanisms of refinement and deformation of novel ultrafine-grained medium manganese steels with improved mechanical properties
RS Varanasi
Ruhr-Universität Bochum, 2021
22021
Understanding crack growth within the γ′ Fe4N layer in a nitrided low carbon steel during monotonic and cyclic tensile testing
RS Varanasi, M Koyama, M Yokoi, Y Ootani, M Kubo, K Tanahara, ...
Journal of Materials Science 59 (31), 14639-14652, 2024
12024
Hydrogen Embrittlement Property of a 1.5 GPa Dual-Phase Steel Evaluated Using U-bending Test: A Comparison with Tempered Martensitic Steel with Identical Tensile Strength
S Chiba, M Koyama, T Hojo, S Ajito, Y Shibayama, RS Varanasi, ...
ISIJ International 64 (4), 706-713, 2024
12024
Critical role of initial multi-phase microstructure on the phase transformations during hydrogenation in Fe–Mo alloy system
RS Varanasi, M Koyama, R Utsumi, H Saitoh, T Sato, S Orimo, E Akiyama
International Journal of Hydrogen Energy 50, 1418-1434, 2024
12024
Semi-quantitative characterisation of coherency-dependent hydrogen diffusion at Σ3 grain boundaries in pure Ni
H Kakinuma, M Koyama, RS Varanasi, S Ajito, E Akiyama
Materials Research Letters, 1-8, 2025
2025
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