Micro-mechanisms underlying enhanced fatigue life of additively manufactured 316L stainless steel with a gradient heterogeneous microstructure

S Ghosh, N Bibhanshu, S Suwas… - Materials Science and …, 2023 - Elsevier
The fatigue life of additively manufactured 316L stainless steel (SS) in an aqueous corrosive
medium is shown to improve markedly when the surfaces were processed by surface …

Investigation of deformation mechanisms in an advanced FeCrAl alloy using in-situ SEM-EBSD testing

N Bibhanshu, MN Gussev, CP Massey… - Materials Science and …, 2022 - Elsevier
The deformation mechanisms associated with uniaxial tensile testing are studied by
conducting tensile experiments of an FeCrAl alloy using scanning electron microscopy …

Complexity of deformation mechanism in neutron-irradiated 304L austenitic stainless steel at microstructural scale

N Bibhanshu, MN Gussev, TM Rosseel - Materials Characterization, 2021 - Elsevier
The deformation mechanisms of neutron-irradiated 304 L stainless steel have been
investigated using the in-situ electron backscattered diffraction (EBSD) technique. To …

Deformation behavior of core–shell-like structure in β-solidified TiAl alloy during isothermal compression

Y Yu, H Kou, Z Zhang, X Xu, Y Wang, J Li - Materials Letters, 2024 - Elsevier
The remnant lamellar colonies are the main factor affecting the homogeneity of the deformed
microstructure of TiAl alloys. The remnant colonies can be eliminated during hot …

In-situ synchrotron high energy X-ray diffraction study on the internal strain evolution of D019-α2 phase during high-temperature compression and subsequent …

X Liu, L Song, A Stark, F Pyczak, TB Zhang - Journal of Materials Science & …, 2023 - Elsevier
The residual stress in the D0 19-α 2 phase is known to be significantly higher than that in the
L1 0-γ phase in TiAl alloys after deformation due to the poor plasticity and strong mechanical …

Hot deformation and softening response in boronmodified two‐phase titanium aluminide Ti–48Al–2V–0.2 B

N Bibhanshu, G Shankar, S Suwas - Journal of Materials Research, 2021 - Springer
Hot deformation and softening response for the titanium aluminide Ti–48Al–2V–0.2 B has
been investigated. The deformation response to softening mechanisms has been examined …

A systematic and precise study of deformed Zr52. 5Cu17. 9Ni14. 6Al10Ti5 BMGs for notable shear bands towards better global plasticity

A Tabassum, R Zhiqiang, S Goel, F Hayat… - Journal of Non …, 2024 - Elsevier
Abstract Zr 52.5 Cu 17.9 Ni 14.6 Al 10 Ti 5 (Vit 105) bulk metallic glasses with varying
deformation strains (1.6, 4.5, 6.6, 8.7, 10.8, and 12.5%) were subjected to compressive …

Study on microstructure evolution and deformation softening mechanism of a Ti–47.5 Al–2.5 V–1.0 Cr–0.2 Zr alloy

X Lin, H Huang, X Yuan, Y Wang… - Materials Science …, 2022 - journals.sagepub.com
The hot compression tests of Ti–47.5 Al–2.5 V–1.0 Cr–0.2 Zr alloy were achieved by a
Gleeble thermal simulator. The results show that the residual lamellar microstructure has …

Microstructural manifestation and kinetics of dynamic transformation in a W-modified 9% Cr steel

M Mandal, B Aashranth, D Samantaray… - Materials Science …, 2023 - Taylor & Francis
Dynamic transformation (DT) of austenite to ferrite is shown to occur in a W-containing 9%
Cr steel during hot deformation across a wide range of strain rates. A new facet of DT …

Quantification of in-grain lattice gradient in neutron irradiated 304L SS during deformation using insitu EBSD

N Bibhanshu, MN Gussev, TM Rosseel - Microscopy and …, 2021 - cambridge.org
Austenitic stainless steels (SS) with high fractions of annealing twin boundaries (~ 43%) are
being used as structural components in nuclear reactors [1, 2]. Exposure to irradiation …