Search Results - "Rajagopalan, Jagannathan"

Electron Beam Induced Artifacts During in situ TEM Deformation of Nanostructured Metals by Sarkar, Rohit, Rentenberger, Christian, Rajagopalan, Jagannathan

“…A critical assumption underlying in situ transmission electron microscopy studies is that the electron beam (e-beam) exposure does not fundamentally alter the…”
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A self-propelled biohybrid swimmer at low Reynolds number by Williams, Brian J., Anand, Sandeep V., Rajagopalan, Jagannathan, Saif, M. Taher A.

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Plastic Deformation Recovery in Freestanding Nanocrystalline Aluminum and Gold Thin Films by Rajagopalan, Jagannathan, Han, Jong H, Saif, M. Taher A

“…In nanocrystalline metals, lack of intragranular dislocation sources leads to plastic deformation mechanisms that substantially differ from those in…”
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Drosophila Neurons Actively Regulate Axonal Tension In Vivo by Rajagopalan, Jagannathan, Tofangchi, Alireza, A. Saif, M. Taher

“…Several experiments have shown that mechanical forces significantly influence the initiation, growth, and retraction of neurites of cultured neurons. A similar…”
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In situ TEM study of microplasticity and Bauschinger effect in nanocrystalline metals by Rajagopalan, Jagannathan, Rentenberger, Christian, Peter Karnthaler, H., Dehm, Gerhard, Saif, M. Taher A.

“…In situ transmission electron microscopy straining experiments with concurrent macroscopic stress–strain measurements were performed to study the effect of…”
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A phase reconstruction algorithm for lamb wave based structural health monitoring of anisotropic multilayered composite plates by RAJAGOPALAN, Jagannathan, BALASUBRAMANIAM, Krishnan, KRISHNAMURTHY, C. V

“…Platelike structures, made of composites, are being increasingly used for fabricating aircraft wings and other aircraft substructures. Continuous monitoring of…”
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High strength and ductility in a heterostructured nanotwinned Ni film by Berlia, Rohit, Rajagopalan, Jagannathan

“…We report the synthesis and mechanical behavior of two nanotwinned (NT) Ni films with different distributions of twin widths along the film growth direction…”
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Mechanical behavior of heterostructured iron films with precisely defined bimodal architectures by Berlia, Rohit, Rajagopalan, Jagannathan

“…Heterostructured metals exhibit a superior combination of strength, ductility and toughness compared to both nanocrystalline (NC) and coarse-grained metals…”
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Synthesis of Heterostructured Metallic Films with Precisely Defined Multimodal Microstructures by Berlia, Rohit, Rajagopalan, Jagannathan

“…Heterostructured materials (e.g., metals with multimodal microstructures) offer the promise of unprecedented functionality and performance by avoiding…”
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Texture dependent strain rate sensitivity of ultrafine-grained aluminum films by Izadi, Ehsan, Rajagopalan, Jagannathan

“…We investigated the strain rate sensitivity (SRS) of freestanding ultrafine-grained aluminum films with similar thickness (~240nm) and mean grain size (~275nm)…”
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Synthesis of thin films with highly tailored microstructures by Sarkar, Rohit, Rajagopalan, Jagannathan

“…We report a new methodology to synthesize thin films with exceptional microstructural control via systematic, in-situ seeding of nanocrystals into amorphous…”
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Grain rotations in ultrafine-grained aluminum films studied using in situ TEM straining with automated crystal orientation mapping by Izadi, Ehsan, Darbal, Amith, Sarkar, Rohit, Rajagopalan, Jagannathan

“…In situ TEM straining allows probing deformation mechanisms of ultrafine-grained and nanocrystalline metals. While obtaining statistically meaningful…”
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A self-propelled biohybrid swimmer at low Reynolds number by Williams, Brian J., Anand, Sandeep V., Rajagopalan, Jagannathan, Saif, M. Taher A.

“…Many microorganisms, including spermatozoa and forms of bacteria, oscillate or twist a hair-like flagella to swim. At this small scale, where locomotion is…”
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Tensile behavior and inelastic strain recovery of Cu-Co nanolaminates by Berlia, Rohit, Rasmussen, Paul, Yang, Shize, Rajagopalan, Jagannathan

“…The mechanical response of macroscale metallic samples is typically determined using the uniaxial tensile test, which provides a direct measure of critical…”
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Electron beam induced rejuvenation in a metallic glass film during in-situ TEM tensile straining by Ebner, Christian, Rajagopalan, Jagannathan, Lekka, Christina, Rentenberger, Christian

“…[Display omitted] Rejuvenation of an amorphous TiAl thin film under external tensile stress by high energy electron irradiation is observed via in-situ…”
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Integration of an Axially Continuous Graphene with Functional Metals for High‐Temperature Electrical Conductors by Kashani, Hamzeh, Choi, Won June, Kim, Chunghwan, Berlia, Rohit, Rajagopalan, Jagannathan, Kang, Wonmo

“…Demands for effective high‐temperature electrical conductors continue to increase with the rapid adoption of electric vehicles. However, the use of…”
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Integration of an Axially Continuous Graphene with Functional Metals for High‐Temperature Electrical Conductors (Adv. Funct. Mater. 35/2023) by Kashani, Hamzeh, Choi, Won June, Kim, Chunghwan, Berlia, Rohit, Rajagopalan, Jagannathan, Kang, Wonmo

“…Nickel‐Graphene‐Copper Composite Wire In article number 2214220, Wonmo Kang, and co‐workers develop a highly conductive and thermally stable…”
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Revealing anelasticity and structural rearrangements in nanoscale metallic glass films using in situ TEM diffraction by Sarkar, Rohit, Ebner, Christian, Izadi, Ehsan, Rentenberger, Christian, Rajagopalan, Jagannathan

“…We used a novel diffraction-based method to extract the local, atomic-level elastic strain in nanoscale amorphous TiAl films during transmission electron…”
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High-throughput aqueous passivation behavior of thin-film vs. bulk multi-principal element alloys in sulfuric acid by Blades, William H., Sur, Debashish, Joress, Howie, DeCost, Brian, Holcombe, Emily F., Redemann, Ben, McQueen, Tyrel M., Berlia, Rohit, Rajagopalan, Jagannathan, Taheri, Mitra L., Scully, John R., Sieradzki, Karl

“…Multi-principal element alloys have the potential to show excellent passivation behavior. However, the detailed compositional and crystal structure design of…”
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Fabrication of Freestanding 1-D PDMS Microstructures Using Capillary Micromolding by Rajagopalan, Jagannathan, Saif, M. Taher A.

“…A method to create freestanding, biocompatible polydimethylsiloxane (PDMS) microstructures is presented. First, capillary flow through micro channels on…”
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