Search Results - "Taheri, M L"

A perspective on corrosion of multi-principal element alloys by Birbilis, N., Choudhary, S., Scully, J. R., Taheri, M. L.

“…Metallic alloys are critical to essentially all advanced technologies and engineered systems. The well-documented impact of corrosion (and oxidation) of…”
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Direct Observation of Sink-Dependent Defect Evolution in Nanocrystalline Iron under Irradiation by El-Atwani, O., Nathaniel, J. E., Leff, A. C., Hattar, K., Taheri, M. L.

“…Crystal defects generated during irradiation can result in severe changes in morphology and an overall degradation of mechanical properties in a given…”
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Investigation of the Mechanics, Composition, and Functional Behavior of Thick Tribofilms Formed from Silicon- and Oxygen-Containing Hydrogenated Amorphous Carbon by McClimon, J. B., Lang, A. C., Milne, Z., Garabedian, N., Moore, A. C., Hilbert, J., Mangolini, F., Lukes, J. R., Burris, D. L., Taheri, M. L., Fontaine, J., Carpick, R. W.

“…A custom-grown silicon and oxygen-containing hydrogenated amorphous carbon (a-C:H:Si:O) film is subjected to ball-on-flat tribometry under controlled sliding…”
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Microstructural and precipitation characterization in Nb-Mo microalloyed steels: Estimation of the contributions to the strength by Isasti, N., Jorge-Badiola, D., Taheri, M. L., Uranga, P.

“…The influence of coiling temperature on the final microstructure and precipitation has been analyzed in several low carbon Nb and Nb-Mo microalloyed steels. A…”
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Effect of Composition and Deformation on Coarse-Grained Austenite Transformation in Nb-Mo Microalloyed Steels by Isasti, N., Jorge-Badiola, D., Taheri, M. L., López, B., Uranga, P.

“…Thermomechanical processing of microalloyed steels containing niobium can be performed to obtain deformed austenite prior to transformation. Accelerated…”
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Electronic transition above room temperature in CaMn7O12 films by Huon, A., Lang, A. C., Saldana-Greco, D., Lim, J. S., Moon, E. J., Rappe, A. M., Taheri, M. L., May, S. J.

“…We report on the electronic phase transition in CaMn7O12 quadruple perovskite films synthesized by oxide molecular beam epitaxy on SrLaAlO4 and…”
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Direct measurement of the effect of cold rolling on β phase precipitation kinetics in 5xxx series aluminum alloys by Scotto D'Antuono, D., Gaies, J., Golumbfskie, W., Taheri, M.L.

“…The aluminum magnesium alloy system has notable attributes, such as a high strength to weight ratio and weldability, but it can become susceptible to…”
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Grain boundary misorientation dependence of β phase precipitation in an Al–Mg alloy by Scotto D’Antuono, D., Gaies, J., Golumbfskie, W., Taheri, M.L.

“…Precipitation of β phase (Al3Mg2) in an Al–Mg alloy is investigated by in situ heating and precession diffraction-based orientation imaging in a transmission…”
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CZTS thin film solar cells on flexible Molybdenum foil by electrodeposition-annealing route by Khalil, M. I., Bernasconi, R., Lucotti, A., Le Donne, A., Mereu, R. A., Binetti, S., Hart, J. L., Taheri, M. L., Nobili, L., Magagnin, L.

“…Earth-abundant and non-toxic Kesterite-based Cu 2 ZnSnS 4 (CZTS) thin film solar cells are successfully fabricated on flexible Molybdenum (Mo) foil substrates…”
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Insight into defect cluster annihilation at grain boundaries in an irradiated nanocrystalline iron by Hung, C.Y., Vetterick, G., Hopkins, E., Balwin, J.K., Baldo, P., Kirk, M.A., Misra, A., Taheri, M.L.

“…•Defect clusters dynamic were examined using in-situ irradiation TEM.•One-dimensional loop hop to GB was revealed.•Burgers-vector rotation mechanism near GB…”
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Quantitative assessment of the driving force for twin formation utilizing Nye tensor dislocation density mapping by Leff, A.C., Taheri, M.L.

“…Transmission electron microscopy was coupled with precession electron diffraction methods to determine the role of local defect distributions in the formation…”
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Estimation of dislocation density from precession electron diffraction data using the Nye tensor by Leff, A.C., Weinberger, C.R., Taheri, M.L.

“…The Nye tensor offers a means to estimate the geometrically necessary dislocation density of a crystalline sample based on measurements of the orientation…”
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Current Progress in Aqueous Corrosion of Multi-Principal Element Alloys by Ghorbani, M., Li, Z., Qiu, Y., Marcus, P., Scully, J. R., Gharbi, O., Luo, H., Gupta, R. K., Zeng, Z. R., Fraser, H. L., Taheri, M. L., Birbilis, N.

“…While multi-principal element alloys (MPEAs) remain a promising class of materials owing to several attractive mechanical properties, their corrosion…”
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Three-dimensional effects of twinning in magnesium alloys by Hazeli, K., Cuadra, J., Streller, F., Barr, C.M., Taheri, M.L., Carpick, R.W., Kontsos, A.

“…This article provides experimental evidence on the pronounced three-dimensional surface effects caused by tension twinning at early stages of plasticity of a…”
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The role of grain size in He bubble formation: Implications for swelling resistance by El-Atwani, O., Nathaniel, J.E., Leff, A.C., Muntifering, B.R., Baldwin, J.K., Hattar, K., Taheri, M.L.

“…Nanocrystalline metals are postulated as radiation resistant materials due to their high defect and particle (e.g. Helium) sink density. Here, the performance…”
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I2 basal stacking fault as a degradation mechanism in reverse gate-biased AlGaN/GaN HEMTs by Lang, A. C., Hart, J. L., Wen, J. G., Miller, D. J., Meyer, D. J., Taheri, M. L.

“…Here, we present the observation of a bias-induced, degradation-enhancing defect process in plasma-assisted molecular beam epitaxy grown reverse gate-biased…”
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Interplay of strain and phase evolution of laser powder bed fusion Ti–6Al–4V by Andrews, C., Heo, T.W., Shi, R., Başgül, C., Kurtz, S., Matthews, M.J., Taheri, M.L.

“…While additive manufacturing (AM) provides a method of producing geometrically complex and highly detailed structures, the generation of residual strain in AM…”
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Quasi-static Tensile and Compressive Behavior of Nanocrystalline Tantalum based on Miniature Specimen Testing—Part I: Materials Processing and Microstructure by Ligda, J., Scotto D’Antuono, D., Taheri, M. L., Schuster, B. E., Wei, Q.

“…Grain size reduction of metals into ultrafine-grained (UFG, grain size 100 nm <  d  < 1000 nm) and nanocrystalline (NC, d  < 100 nm) regimes results in…”
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Quasi-static Tensile and Compressive Behavior of Nanocrystalline Tantalum Based on Miniature Specimen Testing—Part II: Mechanical Properties by Ligda, J., D’Antuono, D. Scotto, Taheri, M. L., Schuster, B. E., Wei, Q.

“…In Part I of this work (this issue), we presented the microstructure of tantalum processed by high-pressure torsion (HPT). In this part, we will present…”
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Direct observation of ferroelectric domain switching in varying electric field regimes using in situ TEM by Winkler, C.R., Damodaran, A.R., Karthik, J., Martin, L.W., Taheri, M.L.

“…► We developed a method by which ferroelectric domains can be imaged in situ in real time. ► We examine effects of changing applied electric field on…”
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