Segregation effects of interstitial and substitutional elements at grain boundaries in ferritic iron and their effect on liquid metal embrittlement

Publications of Rama Srinivas Varanasi

Journal Article (10)

1.
Journal Article
Srinivas Varanasi, R.; Waseda, O.; Syed, F. W.; Prithiv, T. S.; Gault, B.; Neugebauer, J.; Ponge, D.: Temperature and misorientation-dependent austenite nucleation at ferrite grain boundaries in a medium manganese steel: role of misorientation-dependent grain boundary segregation. Acta Materialia 296, 121242 (2025)
2.
Journal Article
Varanasi, R. S.; Gault, B.; Ponge, D.: Effect of Nb micro-alloying on austenite nucleation and growth in a medium manganese steel during intercritical annealing. Acta Materialia 229, 117786 (2022)
3.
Journal Article
Khanchandani, H.; Kim, S.-H.; Varanasi, R. S.; Prithiv, T. S.; Stephenson, L.; Gault, B.: Hydrogen and deuterium charging of lifted-out specimens for atom probe tomography [version 2; peer review: 1 approved, 1 approved with reservations]. Open Research Europe 1, 122 (2022)
4.
Journal Article
Varanasi, R. S.; Lipińska-Chwałek, M.; Mayer, J.; Gault, B.; Ponge, D.: Mechanisms of austenite growth during intercritical annealing in medium manganese steels. Scripta Materialia 206, 114228 (2022)
5.
Journal Article
Heena Khanchandani; Se-Ho Kim; Rama Srinivas Varanasi; Leigh Stephenson; Baptiste Gault: Hydrogen and deuterium charging of site-specific specimen for atom probe tomography. Open Research Europe 1, 122 (2021)
6.
Journal Article
Varanasi, R. S.; Zaefferer, S.; Sun, B.; Ponge, D.: Localized deformation inside the Lüders front of a medium manganese steel. Materials Science and Engineering A: Structural Materials Properties Microstructure and Processing 824, 141816 (2021)
7.
Journal Article
Prabhakar, J. M.; Varanasi, R. S.; Corrêa da Silva, C.; de Vooys, A.; Erbe, A.; Rohwerder, M.: Chromium coatings from trivalent chromium plating baths: Characterization and cathodic delamination behaviour. Corrosion Science 187, 109525 (2021)
8.
Journal Article
Wei, Y.; Varanasi, R. S.; Schwarz, T.; Gomell, L.; Zhao, H.; Larson, D. J.; Sun, B.; Liu, G.; Chen, H.; Raabe, D. et al.; Gault, B.: Machine-learning-enhanced time-of-flight mass spectrometry analysis. Patterns 2 (2), 100192 (2021)
9.
Journal Article
Sun, B.; Ma, Y.; Vanderesse, N.; Srinivas Varanasi, R.; Song, W.; Bocher, P.; Ponge, D.; Raabe, D.: Macroscopic to nanoscopic in situ investigation on yielding mechanisms in ultrafine grained medium Mn steels: Role of the austenite-ferrite interface. Acta Materialia 178, pp. 10 - 25 (2019)
10.
Journal Article
Wei, Y.; Gault, B.; Varanasi, R. S.; Raabe, D.; Herbig, M.; Breen, A. J.: Machine-learning-based atom probe crystallographic analysis. Ultramicroscopy 194, pp. 15 - 24 (2018)

Thesis - PhD (1)

11.
Thesis - PhD
Varanasi, R. S.: Mechanisms of refinement and deformation of novel ultrafine-grained medium manganese steels with improved mechanical properties. Dissertation, Ruhr-Universität Bochum (2021)

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