Search Results - "Averback, Robert S."

Improving atomic displacement and replacement calculations with physically realistic damage models by Nordlund, Kai, Zinkle, Steven J., Sand, Andrea E., Granberg, Fredric, Averback, Robert S., Stoller, Roger, Suzudo, Tomoaki, Malerba, Lorenzo, Banhart, Florian, Weber, William J., Willaime, Francois, Dudarev, Sergei L., Simeone, David

“…Atomic collision processes are fundamental to numerous advanced materials technologies such as electron microscopy, semiconductor processing and nuclear power…”
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In situ creep measurements on micropillar samples during heavy ion irradiation by Özerinç, Sezer, Averback, Robert S., King, William P.

“…We report on the development of an in situ micropillar compression apparatus capable of measuring creep under heavy ion beam irradiation. The apparatus has a…”
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Atomic Mixing in Metals Under Shear Deformation by Vo, Nhon Q., Zhou, Jian, Ashkenazy, Yinon, Schwen, Daniel, Averback, Robert S., Bellon, Pascal

“…The fundamental processes of shear-induced chemical mixing in heterogeneous Cu-based alloy systems have been studied by molecular dynamics computer…”
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Primary radiation damage: A review of current understanding and models by Nordlund, Kai, Zinkle, Steven J., Sand, Andrea E., Granberg, Fredric, Averback, Robert S., Stoller, Roger E., Suzudo, Tomoaki, Malerba, Lorenzo, Banhart, Florian, Weber, William J., Willaime, Francois, Dudarev, Sergei L., Simeone, David

“…Scientific understanding of any kind of radiation effects starts from the primary damage, i.e. the defects that are produced right after an initial atomic…”
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Quantitative comparison of sink efficiency of Cu–Nb, Cu–V and Cu–Ni interfaces for point defects by Mao, Shimin, Shu, Shipeng, Zhou, Jian, Averback, Robert S., Dillon, Shen J.

“…The efficacy of heterointerfaces as sinks for point defects in Cu was characterized using local measurements of tracer-impurity radiation-enhanced diffusion…”
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Chemical mixing and self-organization of Nb precipitates in Cu during severe plastic deformation by Wang, Miao, Averback, Robert S., Bellon, Pascal, Dillon, Shen

“…Severe plastic deformation (SPD) of Cu, Ag and Nb ternary alloys with average Nb concentrations of 5, 10 and 15 at.% and an Ag concentration of 10 at.% was…”
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Sliding wear induced subsurface microstructural evolution in nanocrystalline Nb-Ag binary alloys and its impact on tribological performance by Chu, Kangjie, Ren, Fuzeng, Zhu, Weiwei, Zhao, Cancan, Bellon, Pascal, Averback, Robert S.

“…Powders of Nb and Ag were first subjected to mechanical alloying to force the formation of supersaturated solid solutions and then compacted to near full…”
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Precipitation kinetics of dilute Cu-W alloys during low-temperature ion irradiation by Zhang, Xuan, Beach, John A., Wang, Miao, Bellon, Pascal, Averback, Robert S.

“…The kinetics of W precipitation in dilute Cu-W alloys during room temperature irradiation is investigated using in situ electrical resistivity measurements and…”
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Precipitate stability in Cu–Ag–W system under high-temperature irradiation by Zhang, Xuan, Shu, Shipeng, Bellon, Pascal, Averback, Robert S.

“…[Display omitted] The kinetics of precipitation was investigated in the ternary Cu alloy, Cu83.5Ag15W1.5 during irradiation with MeV Kr ions at elevated…”
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Phase and Microstructure Evolutions under Irradiation: Design of Coarsening-resistant Nanostructures by Bellon, Pascal, Averback, Robert S.

“…Advanced nuclear energy systems will require materials that resist to very large doses of radiation damage. One strategy to accomplish that goal is to employ…”
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Shear induced chemical mixing in heterogeneous systems by Ashkenazy, Yinon, Vo, Nhon Q., Schwen, Daniel, Averback, Robert S., Bellon, Pascal

“…Shear-induced mixing in heterogeneous Cu alloy systems was investigated by molecular dynamics simulation. Each system, which comprised a single spherical…”
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Irradiation Induced Grain Boundary FlowA New Creep Mechanism at the Nanoscale by Ashkenazy, Yinon, Averback, Robert S

“…A new mechanism of irradiation enhanced creep is proposed for nanocrystalline materials. It derives from local relaxations within the grain boundaries as they…”
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Evolution of Nb oxide nanoprecipitates in Cu during reactive mechanical alloying by Li, Qun, Shang, Xuekun, Janicek, Blanka, Huang, Pinshane Y., Bellon, Pascal, Averback, Robert S.

“…Microstructural evolution of Cu–Nb oxide nanocomposite alloys during ball milling is investigated using a two-step ball-milling approach. In the first step, Cu…”
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Phase evolution of highly immiscible alloys under shear deformation: Kinetic pathways, steady states, and the lever-rule by Ashkenazy, Yinon, Pant, Nirab, Zhou, Jian, Bellon, Pascal, Averback, Robert S.

“…Phase evolution of dilute, highly immiscible, Cu alloys (Cu-Nb, Cu-V, and Cu-Ta) during low-temperature severe plastic deformation was investigated using…”
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Effects of ternary alloy additions on the microstructure of highly immiscible Cu alloys subjected to severe plastic deformation: An evaluation of the effective temperature model by Verma, Nisha, Pant, Nirab, Beach, John A., Ivanisenko, Julia, Ashkenazy, Yinon, Dillon, Shen, Bellon, Pascal, Averback, Robert S.

“…Phase evolution in dilute, strongly immiscible Cu-Mo, Cu-Mo-Ni, and Cu-Mo-Ag alloys during severe plastic deformation at low-temperature has been…”
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High temperature irradiation induced creep in Ag nanopillars measured via in situ transmission electron microscopy by Jawaharram, Gowtham Sriram, Price, Patrick M., Barr, Christopher M., Hattar, Khalid, Averback, Robert S., Dillon, Shen J.

“…Irradiation induced creep (IIC) rates are measured in compression on Ag nanopillar (square) beams in the sink-limited regime. The IIC rate increases linearly…”
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Hardening mechanisms in irradiated Cu–W alloys by Jawaharram, Gowtham Sriram, Dillon, Shen J., Averback, Robert S.

“…This work investigates the relative contributions to strengthening from twinning, solid-solution, precipitation, and irradiation hardening mechanisms in…”
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Thermal conductance of metal-metal interfaces by Gundrum, Bryan C., Cahill, David G., Averback, Robert S.

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Grain boundary doping strengthens nanocrystalline copper alloys by Özerinç, Sezer, Tai, Kaiping, Vo, Nhon Q., Bellon, Pascal, Averback, Robert S., King, William P.

“…Nanoindentation hardness measurements were performed on nanocrystalline (nc-) Cu alloys to test recent molecular dynamics predictions that (i) solute…”
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Solidification velocities in deeply undercooled silver by Chan, Wai-Lun, Averback, Robert S, Cahill, David G, Ashkenazy, Yinon

“…We measure the solidification velocity of pure Ag as a function of undercooling temperature from the melting point (Tm=1235 K) to 0.6Tm using ultrafast,…”
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