Search Results - "Karamched, Phani"

Predicting dwell fatigue life in titanium alloys using modelling and experiment by Xu, Yilun, Joseph, Sudha, Karamched, Phani, Fox, Kate, Rugg, David, Dunne, Fionn P. E., Dye, David

“…Fatigue is a difficult multi-scale modelling problem nucleating from localised plasticity at the scale of dislocations and microstructure with significant…”
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High resolution electron back-scatter diffraction analysis of thermally and mechanically induced strains near carbide inclusions in a superalloy by Karamched, Phani S., Wilkinson, Angus J.

“…Cross-correlation-based analysis of electron back-scatter diffraction (EBSD) patterns has been used to obtain high angular resolution maps of lattice rotations…”
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Microstructural understanding of the oxidation of an austenitic stainless steel in high-temperature steam through advanced characterization by Shen, Zhao, Tweddle, David, Yu, Hongbing, He, Guanze, Varambhia, Aakash, Karamched, Phani, Hofmann, Felix, Wilkinson, Angus J., Moody, Michael P., Zhang, Lefu, Lozano-Perez, Sergio

“…It is well-known that steels always oxidize faster in the environments containing water vapour than in dry oxygen. Due to the difficulties in obtaining…”
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Mapping the full lattice strain tensor of a single dislocation by high angular resolution transmission Kikuchi diffraction (HR-TKD) by Yu, Hongbing, Liu, Junliang, Karamched, Phani, Wilkinson, Angus J., Hofmann, Felix

“…The full lattice strain tensor and lattice rotations induced by a dislocation in pure tungsten were mapped using high-resolution transmission Kikuchi…”
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Using local GND density to study SCC initiation by Saravanan, Naganand, Karamched, Phani S, Liu, Junliang, Rainasse, Claire, Scenini, Fabio, Lozano-Perez, Sergio

“…•Microstructural and micromechanical features related to SCC has been analyzed successfully using on-axis TKD, a novel high-resolution orientation mapping…”
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Deformation behaviour of ion-irradiated FeCr: A nanoindentation study by Song, Kay, Yu, Hongbing, Karamched, Phani, Mizohata, Kenichiro, Armstrong, David E. J., Hofmann, Felix

“…Understanding the mechanisms of plasticity in structural steels is essential for the operation of next-generation fusion reactors. This work on the deformation…”
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Cold creep of titanium: Analysis of stress relaxation using synchrotron diffraction and crystal plasticity simulations by Xiong, Yi, Karamched, Phani, Nguyen, Chi-Toan, Collins, David M, Magazzeni, Christopher M, Tarleton, Edmund, Wilkinson, Angus J

“…It is well known that titanium and some titanium alloys creep at ambient temperature, resulting in a significant fatigue life reduction when a stress dwell is…”
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Effect of sample thinning on strains and lattice rotations measured from Transmission Kikuchi diffraction in the SEM by Karamched, Phani S., Saravanan, Naganand, Haley, Jack C., Wilkinson, Angus J., Lozano-Perez, Sergio

“…Cross correlation based high angular resolution EBSD (or HR-EBSD) has been developed for measurement of elastic strains, lattice rotations (and estimating GND…”
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Novel, low-cost hardware for ‘STEM in SEM’ imaging by Sturt, Andrew, Hughes, Gareth, Griffiths, Ian, Karamched, Phani, Young, Neil

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Crystallographic orientation relationships of boride and carbide particles with α and β phases in a β-Ti alloy by Sarkar, Rajdeep, Karamched, Phani S., Ghosal, P., Prasad, K.S., Nandy, T.K., Ray, K.K.

“…•Crystallographic relationships of TiB and TiC with β and α-phases.•TiB exhibits crystallographic relationships with β- and α under certain conditions.•TiC…”
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Probing Deformation and Revealing Microstructural Mechanisms with Cross-Correlation-Based, High-Resolution Electron Backscatter Diffraction by Britton, T. Ben, Jiang, Jun, Karamched, Phani S., Wilkinson, Angus J.

“…High-resolution, cross-correlation-based, electron backscatter diffraction (HR-EBSD) is an emerging technique capable of measuring elastic strains, lattice…”
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Electron back scattered diffraction characterization of thermomechanical fatigue crack propagation of a near α titanium alloy Timetal 834 by Prasad, Kartik, Karamched, Phani S., Bhattacharjee, A., Kumar, Vikas, Bhanu Sankara Rao, K., Sundararaman, M.

“…[Display omitted] •The alloy shows lower crack growth rate under IP-TMFCG loading.•Larger plastic zone size at the crack tip was observed under IP-TMFCG…”
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Dynamic recovery and recrystallization during high-temperature tensile deformation of a free-standing Pt-aluminide bond coat by Alam, Md. Zafir, Kamat, S.V., Jayaram, V., Karamched, Phani S., Ghosal, P., Das, D.K.

“…Free-standing Pt-aluminide (PtAl) bond coat, when subjected to tensile testing at high temperatures (T≥900°C), exhibits significant decrease in strength and…”
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Investigation on Stabilization of Ladle Furnace Slag with Different Additives by Gollapalli, Veerababu, Tadivaka, Srinivasa Rao, Borra, Chenna Rao, Varanasi, Suguna Soumya, Karamched, Phani S., Venkata Rao, M. B.

“…Ladle furnace slag disintegrates into fine powder during cooling due to phase transformations of di-calcium silicate. This creates an adverse impact on working…”
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Austenite stability and M2C carbide decomposition in experimental secondary hardening ultra-high strength steels during high temperature austenitizing treatments by Veerababu, R., Satya Prasad, K., Phani S., Karamched, Balamuralikrishnan, R., Karthikeyan, S.

“…The present study deals with the austenite stability and M2C carbide decomposition in three secondary hardening ultra-high strength (SHUHS) steels with varying…”
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Elastic strain associated with irradiation-induced defects in self-ion irradiated tungsten by He, Guanze, Yu, Hongbing, Karamched, Phani, Liu, Junliang, Hofmann, Felix

“…Elastic interactions play an important role in controlling irradiation damage evolution, but remain largely unexplored experimentally. Using transmission…”
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Grain boundary serration in nickel alloy inconel 600: Quantification and mechanisms by Tang, Yuanbo T., Karamched, Phani, Liu, Junliang, Haley, Jack C., Reed, Roger C., Wilkinson, Angus J.

“…[Display omitted] The serration of grain boundaries in Inconel 600 caused by heat treatment is studied systematically. A new method based on Fourier transforms…”
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Interaction of propagating crack with microstructure in CGI: In situ tensile test and numerical simulation by Luo, Xingling, Huang, Xinrui, Baxevanakis, Konstantinos P., Karamched, Phani S., Silberschmidt, Vadim V.

“…Compacted graphite iron (CGI) is a double-phase material, in which complex graphite morphology greatly influences crack initiation and propagation. Despite its…”
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Ultra-high temperature deformation in a single crystal superalloy: Mesoscale process simulation and micromechanisms by Tang, Yuanbo T., D’Souza, Neil, Roebuck, Bryan, Karamched, Phani, Panwisawas, Chinnapat, Collins, David M.

“…[Display omitted] A mesoscale study of a single crystal nickel-base superalloy subjected to an industrially relevant process simulation has revealed the…”
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Linking microstructure and local mechanical properties in SiC-SiC fiber composite using micromechanical testing by Zayachuk, Yevhen, Karamched, Phani, Deck, Christian, Hosemann, Peter, Armstrong, David E.J.

“…Local mechanical properties of SiC-SiC fiber-reinforced composite – matrix, fiber and interphases – were evaluated using nanoindentation and microcantilever…”
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