Search Results - "Field, D R"

Atomic and nanoscale chemical and structural changes in quenched and tempered 4340 steel by Clarke, A.J., Miller, M.K., Field, R.D., Coughlin, D.R., Gibbs, P.J., Clarke, K.D., Alexander, D.J., Powers, K.A., Papin, P.A., Krauss, G.

“…Atom probe tomography and transmission electron microscopy (TEM) have been used to determine the location and distribution of carbon and alloying elements…”
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Analysis of Present Day and Future OH and Methane Lifetime in the ACCMIP Simulations by Voulgarakis, A., Naik, V., Lamarque, J. -F., Shindell, D. T., Young, P. J., Prather, M. J., Wild, O., Field, R. D., Bergmann, D., P., Cameron-Smith, Cionni, I, Collins, W. J., Dalsoren, S. B., Doherty, R. M., Eyring, V., Faluvegi, G., Folberth, G. A., Horowitz, L. W., Josse, B., MacKenzie, I. A., Nagashima, T., Plummer, D. A., Righi, M., Rumbold, S. T., Strode, S. A.

“…Results from simulations performed for the Atmospheric Chemistry and Climate Modeling Intercomparison Project (ACCMIP) are analysed to examine how OH and…”
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Seasonal forecasting of fire over Kalimantan, Indonesia by Spessa, A. C, Field, R. D, Pappenberger, F, Langner, A, Englhart, S, Weber, U, Stockdale, T, Siegert, F, Kaiser, J. W, Moore, J

“…Large-scale fires occur frequently across Indonesia, particularly in the southern region of Kalimantan and eastern Sumatra. They have considerable impacts on…”
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Development of a Global Fire Weather Database by Field, R. D, Spessa, A. C, Aziz, N. A, Camia, A, Cantin, A, Carr, R, de Groot, W. J, Dowdy, A. J, Flannigan, M. D, Manomaiphiboon, K, Pappenberger, F, Tanpipat, V, Wang, X

“…The Canadian Forest Fire Weather Index (FWI) System is the mostly widely used fire danger rating system in the world. We have developed a global database of…”
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Metallographic preparation techniques for U―6 wt.%Nb by KELLY, A. M, FIELD, R. D, THOMA, D. J

“…A new metallographic preparation technique has been developed for uranium-niobium (U-Nb) alloys. The technique uses a single methodology to optimally elucidate…”
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Crystallographic and kinetic origins of acicular and banded microstructures in U–Nb alloys by Field, R.D., Thoma, D.J.

“…► Detailed study of transition from acicular to banded microstructure near U–5at.%Nb composition. ► Dilatometry provides insight into mechanisms for the change…”
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Modeling the QBO—Improvements resulting from higher‐model vertical resolution by Geller, Marvin A., Zhou, Tiehan, Shindell, D., Ruedy, R., Aleinov, I., Nazarenko, L., Tausnev, N. L., Kelley, M., Sun, S., Cheng, Y., Field, R. D., Faluvegi, G.

“…Using the NASA Goddard Institute for Space Studies (GISS) climate model, it is shown that with proper choice of the gravity wave momentum flux entering the…”
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Filiform-mode hydride corrosion of uranium surfaces by Hill, M.A., Schulze, R.K., Bingert, J.F., Field, R.D., McCabe, R.J., Papin, P.A.

“…Hydride nucleation and growth has previously been studied in uranium with an air-formed oxide. Preferred directional growth of uranium hydride has not been…”
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Occupation and parkinsonism in three movement disorders clinics by GOLDMAN, S. M, TANNER, C. M, OLANOW, C. W, WATTS, R. L, FIELD, R. D, LANGSTON, J. W

“…Few occupational risk factors for Parkinson disease (PD) have been identified. Healthcare, teaching, and farming have been associated with increased risk,…”
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EBSD and FIB/TEM examination of shape memory effect deformation structures in U–14 at.% Nb by Clarke, A.J., Field, R.D., McCabe, R.J., Cady, C.M., Hackenberg, R.E., Thoma, D.J.

“…Detailed examinations of shape memory effect (SME) deformation structures in martensite of U–14 at.% Nb were performed with electron backscatter diffraction…”
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Low temperature age hardening in U–13 at.% Nb: An assessment of chemical redistribution mechanisms by Clarke, A.J., Field, R.D., Hackenberg, R.E., Thoma, D.J., Brown, D.W., Teter, D.F., Miller, M.K., Russell, K.F., Edmonds, D.V., Beverini, G.

“…Low temperature aging (<350 °C) of U–13 at.% Nb martensite results in increased strength levels accompanied by significant ductility loss. To determine the…”
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A Tropospheric Emission Spectrometer HDO/H2O retrieval simulator for climate models by Field, R D, Risi, C, Schmidt, G A, Worden, J, Voulgarakis, A, LeGrande, A N, Sobel, A H, Healy, R J

“…Retrievals of the isotopic composition of water vapor from the Aura Tropospheric Emission Spectrometer (TES) have unique value in constraining moist processes…”
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Texture development in two-pass ECAE-processed beryllium by Beyerlein, I. J., Field, R. D., Hartwig, K. T., Necker, C. T.

“…Texture development and substructure evolution are described for pure beryllium given two-pass equal channel angular extrusion (ECAE) processing following…”
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Development of the γ′ Stability in Co–Al–W Alloys at 800 °C by Alloying with Carbon by Kamali, H., Field, R. D., Clarke, A. J., Nedjad, S. Hossein, Kaufman, M. J.

“…The microstructures and hardnesses of Co–10Al–9W–1C, Co–7Al–5W–1C, and Co–7Al–5W (at. pct) alloys are reported. Homogenization of the Co–10Al–9W–1C alloy was…”
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Kinetics of κ Discontinuous Precipitation in Co-10Al-3Cu-1C (At. Pct) by Kamali, H., Kaufman, M. J., Field, R. D., Nedjad, S. Hossein, Clarke, A. J.

“…Electron microscopy revealed continuous and discontinuous precipitation of κ -Co 3 AlC 0.5 in a Co-10Al-3Cu-1C (at. pct) alloy during aging at 500 °C, 850 °C,…”
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Perspectives on Quenching and Tempering 4340 Steel by Clarke, A. J., Klemm-Toole, J., Clarke, K. D., Coughlin, D. R., Pierce, D. T., Euser, V. K., Poplawsky, J. D., Clausen, B., Brown, D., Almer, J., Gibbs, P. J., Alexander, D. J., Field, R. D., Williamson, D. L., Speer, J. G., Krauss, G.

“…Steels are ubiquitous due to their affordability and the landscape of useful properties that can be generated for engineering applications. But to further…”
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Texture development and deformation mechanisms during uniaxial straining of U-Nb shape-memory alloys by Field, R. D., Brown, D. W., Thoma, D. J.

“…The shape-memory effect is well documented in uranium-niobium alloys near the α″-γ o metastable phase boundary. In situ neutron diffraction measurements during…”
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Reversion of Post-Shape Memory Effect Twins During Unloading of Uranium-6 wt pct Niobium by Clarke, A. J., Brown, D. W., Clausen, B., Sisneros, T. A., Field, R. D.

“…Uranium-6 wt pct niobium (14 at pct niobium) displays the shape memory effect (SME), where deformation proceeds by twinning and twin rearrangement via boundary…”
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Texture development and deformation mechanisms during uniaxial straining of U-Nb shape-memory alloys by Field, R. D., Brown, D. W., Thoma, D. J.

“…The shape-memory effect is well documented in uranium-niobium alloys near the α″-γ o metastable phase boundary. In situ neutron diffraction measurements during…”
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Neutron diffraction study of the deformation mechanisms of the uranium–7 wt.% niobium shape memory alloy by Brown, D.W., Bourke, M.A.M., Field, R.D., Hults, W.L., Teter, D.F., Thoma, D.J., Vogel, S.C.

“…The shape memory effect (SME) has been reported in the uranium–niobium alloy system in the region of the phase diagram surrounding U–6.5 wt.% Nb. In this…”
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