[HTML][HTML] Recent progress in analysis of strain-induced phenomena in irradiated metallic materials and advanced alloys using SEM-EBSD in-situ tensile testing

MN Gussev, DA McClintock, TS Byun… - Current Opinion in Solid …, 2024 - Elsevier
In-situ mechanical testing in a scanning electron microscope (SEM) equipped with an
electron backscatter diffraction (EBSD) system has quickly gained popularity, particularly …

In situ SEM-EBSD analysis of plastic deformation mechanisms in neutron-irradiated austenitic steel

MN Gussev, KJ Leonard - Journal of Nuclear Materials, 2019 - Elsevier
In situ tensile tests, accompanied by scanning electron microscopy coupled with electron
backscatter diffraction (EBSD) analyses were performed on neutron-irradiated 304L steel …

Influence of specimen width on the elongation-to-fracture in cyclic-bending-under-tension of commercially pure titanium sheets

TMT Oishi, N Pitkin, N Miller, D Mensah… - International Journal of …, 2024 - Elsevier
In recent publications, we have shown that repeated bending and unbending during tension
can significantly increase the percent elongation-to-fracture (ETF) of metallic sheets. A …

Discrepancy in ductility improvement in repeated stress relaxation of AA7075

K Prasad, N Ansari, H Krishnaswamy, J Jain - Materials Science and …, 2023 - Elsevier
The stress relaxation test is a commonly used transient test to determine the deformation
kinetics during plastic deformation. This study reports the time-dependent deformation …

Cyclic bending under tension of alloy AZ31 sheets: Influence on elongation-to-fracture and strength

N Matukhno, N Kljestan, SC Vogel… - Materials Science and …, 2022 - Elsevier
This paper describes the main results from an experimental investigation into the
consequence of cyclic bending under tension on elongation-to-fracture (ETF) and strength of …

Enhancing elongation and trading off strength versus ductility of commercially pure titanium sheets using cyclic bending under tension and annealing

N Matukhno, N Kljestan, M Knezevic - International Journal of Solids and …, 2023 - Elsevier
This paper describes results acquired in an investigation into determining the influence of
cyclic-bending-under-tension (CBT) and annealing on improving elongation-to-fracture …

Experimental investigation of thermomechanical fatigue behavior in directionally solidified Ni-based superalloy under in-phase and out-of-phase conditions

HS Yun, JS Koo, P Jaeyeong, SH Nahm - Journal of Alloys and …, 2024 - Elsevier
The fatigue behavior of a directionally solidified (DS) Ni-based superalloy was investigated
under in-phase (IP) and out-of-phase (OP) thermomechanical fatigue (TMF) conditions …

[HTML][HTML] Does friction contribute to formability improvement using servo press?

K Prasad, A Gupta, H Krishnaswamy, U Chakkingal… - Friction, 2023 - Springer
Servo press forming machines are advanced forming systems that are capable of imparting
interrupted punch motion, resulting in enhanced room temperature formability. The exact …

On the interplay of friction and stress relaxation to improve stretch-flangeability of dual phase (DP600) steel

K Prasad, B Venkatesh, H Krishnaswamy… - CIRP Journal of …, 2021 - Elsevier
Industrial servo presses have been used to successfully demonstrate improved formability
when deforming sheet metals. While the time dependent viscoplastic behavior of material is …

Modelling time-dependent relaxation behaviour using physically based constitutive framework

V Balaji, H Krishnaswamy, S Natarajan… - International Journal of …, 2024 - Elsevier
The application of interrupted die motion during the deformation process in a servo press
cycle is known to enhance the forming limit of metallic materials. This observation is …