Search Results - "Frazer, D."

Twin boundary-accelerated ferritization of austenitic stainless steels in liquid lead–bismuth eutectic by Hosemann, P., Frazer, D., Stergar, E., Lambrinou, K.

“…Exposure of austenitic stainless steels to liquid lead–bismuth eutectic with low concentration of dissolved oxygen typically results in selective leaching of…”
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Inter-decadal climate variability induces differential ice response along Pacific-facing West Antarctica by Christie, Frazer D. W., Steig, Eric J., Gourmelen, Noel, Tett, Simon F. B., Bingham, Robert G.

“…West Antarctica has experienced dramatic ice losses contributing to global sea-level rise in recent decades, particularly from Pine Island and Thwaites…”
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Materials selection for nuclear applications: Challenges and opportunities by Hosemann, P., Frazer, D., Fratoni, M., Bolind, A., Ashby, M.F.

“…We discuss the challenge of selecting materials for nuclear applications and outline the need for comprehensive databases to assist scientists and engineers in…”
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Four‐decade record of pervasive grounding line retreat along the Bellingshausen margin of West Antarctica by Christie, Frazer D. W., Bingham, Robert G., Gourmelen, Noel, Tett, Simon F. B., Muto, Atsuhiro

“…Changes to the grounding line, where grounded ice starts to float, can be used as a remotely sensed measure of ice‐sheet susceptibility to ocean‐forced dynamic…”
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Antarctic ice-shelf advance driven by anomalous atmospheric and sea-ice circulation by Christie, Frazer D. W., Benham, Toby J., Batchelor, Christine L., Rack, Wolfgang, Montelli, Aleksandr, Dowdeswell, Julian A.

“…The disintegration of the eastern Antarctic Peninsula’s Larsen A and B ice shelves has been attributed to atmosphere and ocean warming, and increased mass…”
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Irradiation damage investigation of helium implanted polycrystalline copper by Yang, Y., Frazer, D., Balooch, M., Hosemann, P.

“…This work features the synthesis of nanoscale cavities using a He ion beam implantation method. A multitechnique (AFM, TEM, nanoindentation) post synthesis…”
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Seasonal land-ice-flow variability in the Antarctic Peninsula by Boxall, Karla, Christie, Frazer D. W, Willis, Ian C, Wuite, Jan, Nagler, Thomas

“…Recent satellite-remote sensing studies have documented the multi-decadal acceleration of the Antarctic Ice Sheet in response to rapid rates of ice-sheet…”
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new regime of nanoscale thermal transport: Collective diffusion increases dissipation efficiency by Hoogeboom-Pot, Kathleen M., Hernandez-Charpak, Jorge N., Gu, Xiaokun, Frazer, Travis D., Anderson, Erik H., Chao, Weilun, Falcone, Roger W., Yang, Ronggui, Murnane, Margaret M., Kapteyn, Henry C., Nardi, Damiano

“…Significance A complete description of nanoscale thermal transport is a fundamental problem that has defied understanding for many decades. Here, we uncover a…”
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Plasticity of UO2 studied and quantified via elevated temperature micro compression testing by Frazer, D., Hosemann, P.

“…Small scale mechanical testing has many beneficial features including the ability to sample the properties of a single crystal over a wide temperature range…”
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A General and Predictive Understanding of Thermal Transport from 1D- and 2D-Confined Nanostructures: Theory and Experiment by Beardo, Albert, Knobloch, Joshua L, Sendra, Lluc, Bafaluy, Javier, Frazer, Travis D, Chao, Weilun, Hernandez-Charpak, Jorge N, Kapteyn, Henry C, Abad, Begoña, Murnane, Margaret M, Alvarez, F. Xavier, Camacho, Juan

“…Heat management is crucial in the design of nanoscale devices as the operating temperature determines their efficiency and lifetime. Past experimental and…”
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Oscillatory response of Larsen C Ice Shelf flow to the calving of iceberg A-68 by Deakin, Katherine A., Christie, Frazer D. W., Boxall, Karla, Willis, Ian C.

“…Abstract The collapse of several ice shelves in the Antarctic Peninsula since the late 20th century has resulted in the upstream acceleration of multiple…”
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High-Temperature Nanoindentation of SiC/SiC Composites by Frazer, D., Deck, C. P., Hosemann, P.

“…The results of high-temperature nanoindentation testing on both a control and a neutron-irradiated silicon carbide matrix silicon carbide fiber composite…”
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Observation of a large atomic parity violation effect in ytterbium by Tsigutkin, K, Dounas-Frazer, D, Family, A, Stalnaker, J E, Yashchuk, V V, Budker, D

“…Atomic parity violation has been observed in the 6s(2 1)S(0)-->5d6s(3)D(1) 408-nm forbidden transition of ytterbium. The parity-violating amplitude is found to…”
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In situ micro-tensile testing on proton beam-irradiated stainless steel by Vo, H.T., Reichardt, A., Frazer, D., Bailey, N., Chou, P., Hosemann, P.

“…Small-scale mechanical testing techniques are currently being explored and developed for engineering applications. In particular, micro-tensile testing can add…”
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Cryogenic Stress-Driven Grain Growth Observed via Microcompression with in situ Electron Backscatter Diffraction by Frazer, D., Bair, J. L., Homer, E. R., Hosemann, P.

“…The deformation of materials at cryogenic temperature is of interest for space, arctic, and fundamental science applications. In this work, a custom-built…”
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Oxide scale formation on 316L and FeCrAl steels exposed to oxygen controlled static LBE at temperatures up to 800°C by Cionea, C., Abad, M.D., Aussat, Y., Frazer, D., Gubser, A.J., Hosemann, P.

“…The corrosion behavior of three stainless steels (316L, Alkrothal 720 and Kanthal-APM) in static LBE with oxygen concentration of 10−5wt% at temperatures of…”
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Rapid, buoyancy-driven ice-sheet retreat of hundreds of metres per day by Batchelor, Christine L., Christie, Frazer D. W., Ottesen, Dag, Montelli, Aleksandr, Evans, Jeffrey, Dowdeswell, Evelyn K., Bjarnadóttir, Lilja R., Dowdeswell, Julian A.

“…Rates of ice-sheet grounding-line retreat can be quantified from the spacing of corrugation ridges on deglaciated regions of the seafloor 1 , 2 , providing a…”
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In-Situ Transmission Electron Microscopy Microcantilever and Nanoindentation Testing of UO2 by Frazer, D., Shaffer, B., Peralta, P., Hosemann, P.

“…Uranium dioxide is the standard fuel of the current nuclear reactor fleet and a potential fuel for future generation IV reactors. Enhancing the performance of…”
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High temperature mechanical properties of fluorite crystal structured materials (CeO2, ThO2, and UO2) and advanced accident tolerant fuels (U3Si2, UN, and UB2) by Frazer, D., Maiorov, B., Carvajal-Nuñez, U., Evans, J., Kardoulaki, E., Dunwoody, J., Saleh, T.A., White, J.T.

“…The mechanical interaction between the fuel and cladding that occurs during operation of a nuclear reactor is important to understand as it can lead to…”
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Localized mechanical property assessment of SiC/SiC composite materials by Frazer, D., Abad, M.D., Krumwiede, D., Back, C.A., Khalifa, H.E., Deck, C.P., Hosemann, P.

“…SiC fiber-reinforced SiC matrix composites (SiC/SiC) are under consideration as a structural material for a range of nuclear applications. While these…”
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