Search Results - "Balk, T"

Quantitative SAXS Analysis of Precipitate Characteristics Limiting Hot Ductility in HSLA Steels Containing V, Nb & NbTi by Stubbers, Alyssa, Balk, T. John

“…Hot ductility behavior between 700 and 1050°C is governed by precipitation and phase transformation, which can cause cracking and limit steel processing in…”
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Observation of Giant Diffusivity Along Dislocation Cores by Legros, Marc, Dehm, Gerhard, Arzt, Eduard, Balk, T. John

“…Diffusion of atoms in a crystalline lattice is a thermally activated process that can be strongly accelerated by defects such as grain boundaries or…”
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Sc-Containing (Scandate) Thermionic Cathodes: Mechanisms for Sc Enhancement of Emission by Seif, Mujan N., Zhou, Qunfei, Liu, Xiaotao, Balk, T. John, Beck, Matthew J.

“…Although thermionic emission has been studied for more than 100 years, recent interest in novel electron devices for military and civilian use has led to a…”
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Sc-Containing (Scandate) Thermionic Cathodes: Fabrication, Microstructure, and Emission Performance by Seif, Mujan N., Zhou, Qunfei, Liu, Xiaotao, Balk, T. John, Beck, Matthew J.

“…Although thermionic emission has been studied for more than 100 years, recent interest in novel electron devices for military and civilian use has led to a…”
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A multi-step dealloying method to produce nanoporous gold with no volume change and minimal cracking by Sun, Ye, Balk, T. John

“…We report a simple two-step dealloying method for producing bulk nanoporous gold with no volume change and no significant cracking. The galvanostatic…”
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Thermionic Emission Characterization of M-Type Cathodes Using Kelvin Probe in an Ultra-High Vacuum Environment by Mantica, Antonio M., Detisch, Michael J., Balk, T. John

“…Thermionic emission characterization is vital for understanding the performance and lifetime of the many vacuum electron devices (VEDs) that make use of…”
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Stochastic approach for determining properties of randomly structured materials: Effects of network connectivity by Seif, Mujan N., Richardson, Dorothy J., Moody, Katherine M., Martin, Mary, Turner, Matthew, Mays, Skylar W., John Balk, T., Beck, Matthew J.

“…[Display omitted] Nanoporous (NP) materials have promising potential uses in energy storage, catalysis, and high-radiation environments. However, wide…”
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High‐Hole‐Mobility Fiber Organic Electrochemical Transistors for Next‐Generation Adaptive Neuromorphic Bio‐Hybrid Technologies by Alarcon‐Espejo, Paula, Sarabia‐Riquelme, Ruben, Matrone, Giovanni Maria, Shahi, Maryam, Mahmoudi, Siamak, Rupasinghe, Gehan S., Le, Vianna N., Mantica, Antonio M., Qian, Dali, Balk, T. John, Rivnay, Jonathan, Weisenberger, Matthew, Paterson, Alexandra F.

“…The latest developments in fiber design and materials science are paving the way for fibers to evolve from parts in passive components to functional parts in…”
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Synthesis of Catalytic Nanoporous Metallic Thin Films on Polymer Membranes by Detisch, Michael J, Balk, T. John, Bhattacharyya, Dibakar

“…This work deals with the creation of bimetallic thin films on porous polymer membrane surfaces. Metal–polymer composite membranes have been produced through…”
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In situ TEM investigation of self-ion irradiation of nanoporous gold by Briot, Nicolas J., Kosmidou, Maria, Dingreville, Rémi, Hattar, Khalid, Balk, T. John

“…The ability of nanoporous metals to avoid accumulation of damage under ion beam irradiation has been the focus of several studies in recent years. The width of…”
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Observation of Ultrathin Sc-Containing Surface Layer on Life-Tested Scandate Cathodes by Liu, Xiaotao, Vancil, Bernard K., Durham, Daniel B., Ogletree, D. Frank, Barnard, Edward S., Balk, T. John

“…To explain enhanced levels of electron emission from scandate cathodes, models invoking surface layers (<inline-formula> <tex-math…”
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Desorption from Hot Scandate Cathodes: Effects on Vacuum Device Interior Surfaces after Long-Term Operation by Seif, Mujan N., Balk, T. John, Beck, Matthew J.

“…Scandate cathodes have exhibited superior emission properties compared to current state-of-the-art “M-type” thermionic cathodes. However, their integration…”
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Tensile and compressive microspecimen testing of bulk nanoporous gold by Balk, T. John, Eberl, Chris, Sun, Ye, Hemker, Kevin J., Gianola, Daniel S.

“…Nanoporous gold (np-Au) is a macroscopically brittle material, which poses difficulties for tensile testing of bulk specimens. By combining a fabrication…”
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Dislocation dynamics in sub-micron confinement: recent progress in Cu thin film plasticity by Dehm, Gerhard, John Balk, T., Blanckenhagen, Burghard von, Gumbsch, Peter, Arzt, Eduard

“…Small is strong – the yield stresses of thin metall23ic films with sub-micron thickness greatly exceed bulk values. While it is clear that this effect must be…”
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Microstructure, stability and thermomechanical behavior of crack-free thin films of nanoporous gold by Sun, Ye, Kucera, Kalan P., Burger, Sofie A., John Balk, T.

“…Nanoporous gold thin films were prepared by dealloying and were completely crack-free, with a continuous ligament network across grain boundaries. Film stress…”
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Parallel glide: unexpected dislocation motion parallel to the substrate in ultrathin copper films by Balk, T.J., Dehm, G., Arzt, E.

“…Although it is well known that thin metal films exhibit mechanical properties very different from those of their bulk counterparts, knowledge of the underlying…”
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Synthesis of nanoporous nickel thin films from various precursors by Wang, Lei, Balk, T. John

“…Multiple approaches to fabricate nanoporous nickel (np-Ni) thin films from NiCu, NiAl, NiFe and NiMg precursors are presented. Deposition of precursor films,…”
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Using Multilayer Precursors to Create Nanoporous Gold and Nanoporous Iridium Thin Films with Layered Architecture by Wang, Lei, Balk, T. John

“…Although dealloying is commonly used to fabricate nanoporous (np) metals, with precursor alloy composition and dealloying conditions determining the length…”
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Dealloying of Au–Ag thin films with a composition gradient: Influence on morphology of nanoporous Au by Lu, X., Balk, T.J., Spolenak, R., Arzt, E.

“…Nanoporous Au can be formed by dealloying Au–Ag alloys and, depending on the initial alloy composition, produce a variety of microstructural features. We…”
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Engineering Defect-Free Nanoporous Pd from Optimized Pd-Ni Precursor Alloy by Understanding Palladium-Hydrogen Interactions During Dealloying by Schoop, Julius, Balk, T. John

“…Thin films of nanoporous palladium (np-Pd) were produced from binary palladium-nickel (Pd-Ni) precursor alloys. A suitable precursor alloy and a method of…”
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