Search Results - "Evans, G A"

A critical assessment of theories of strain gradient plasticity by Evans, A.G., Hutchinson, J.W.

“…Theories to extend plasticity to the micron scale have been in existence for over a decade, complemented by a growing body of experimental data. Here,…”
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The influence of oxides on the performance of advanced gas turbines by Evans, A.G., Clarke, D.R., Levi, C.G.

“…Zirconia and alumina have been successfully incorporated into turbines used for propulsion and power generation. They exert a crucial influence on the fuel…”
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Failure mechanisms associated with the thermally grown oxide in plasma-sprayed thermal barrier coatings by RABIEI, A, EVANS, A. G

“…The microstructure and durability of a thermal barrier coating (TBC) produced by the thermal spray method have been characterized. Upon exposure, the bond coat…”
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A delamination mechanism for thermal barrier coatings subject to calcium–magnesium–alumino-silicate (CMAS) infiltration by Mercer, C., Faulhaber, S., Evans, A.G., Darolia, R.

“…When a turbine airfoil attains temperatures that allow calcium–magnesium–alumino-silicate (CMAS) infiltration into the thermal barrier coating (TBC), a new…”
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The mechanics of coating delamination in thermal gradients by Evans, A.G., Hutchinson, J.W.

“…Oxide coatings used for various components in the hot section of aero-turbine engines experience temperature gradients at various stages during their flight…”
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Mechanisms of cracking and delamination within thick thermal barrier systems in aero-engines subject to calcium-magnesium-alumino-silicate (CMAS) penetration by Krämer, S., Faulhaber, S., Chambers, M., Clarke, D.R., Levi, C.G., Hutchinson, J.W., Evans, A.G.

“…An analysis has been conducted that characterizes the susceptibility to delamination of thermal barrier coated (TBC) hot-section aero-turbine components when…”
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Concepts for enhanced energy absorption using hollow micro-lattices by Evans, A.G., He, M.Y., Deshpande, V.S., Hutchinson, J.W., Jacobsen, A.J., Carter, W.B.

“…We present a basic analysis that establishes the metrics affecting the energy absorbed by multilayer cellular media during irreversible compaction on either a…”
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Active cooling by metallic sandwich structures with periodic cores by Lu, T.J., Valdevit, L., Evans, A.G.

“…We review the thermal characteristics of all-metallic sandwich structures with two dimensional prismatic and truss cores. Results are presented based on…”
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On the performance of truss panels with Kagomé cores by Wang, J., Evans, A.G., Dharmasena, K., Wadley, H.N.G.

“…The performance characteristics of a truss core sandwich panel design based on the 3D Kagomé has been measured and compared with earlier simulations. Panels…”
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A microbend test method for measuring the plasticity length scale by Stölken, J.S., Evans, A.G.

“…A versatile microbend test method for determining the plasticity length scale has been developed and described. It involves the bending of a thin annealed foil…”
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Novel molecular approach to define pest species status and tritrophic interactions from historical Bemisia specimens by Tay, W. T., Elfekih, S., Polaszek, A., Court, L. N., Evans, G. A., Gordon, K. H. J., De Barro, P. J.

“…Museum specimens represent valuable genomic resources for understanding host-endosymbiont/parasitoid evolutionary relationships, resolving species complexes…”
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The out-of-plane compressive behavior of metallic honeycombs by Côté, F., Deshpande, V.S., Fleck, N.A., Evans, A.G.

“…Stainless steel square-honeycombs have been manufactured by slotting together steel sheets and then brazing the assembly. Their out-of-plane compressive…”
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Simulation of the contractile response of cells on an array of micro-posts by McGarry, J. P., Fu, J., Yang, M. T., Chen, C. S., McMeeking, R. M., Evans, A. G., Deshpande, V. S.

“…A bio-chemo-mechanical model has been used to predict the contractile responses of smooth cells on a bed of micro-posts. Predictions obtained for smooth muscle…”
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Simulated properties of Kagomé and tetragonal truss core panels by Hyun, S., Karlsson, A.M., Torquato, S., Evans, A.G.

“…The finite element method has been used to simulate the properties of panels with Kagomé and tetragonal cores under compressive and shear loading. The…”
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A numerical model for the cyclic instability of thermally grown oxides in thermal barrier systems by Karlsson, A.M, Evans, A.G

“…Morphological instability of the thermally grown oxide (TGO) is a fundamental source of failure in some thermal barrier systems. The instabilities occur when…”
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Characterization of a cyclic displacement instability for a thermally grown oxide in a thermal barrier system by Mumm, D.R., Evans, A.G., Spitsberg, I.T.

“…The mechanism responsible for the performance of a commercial thermal barrier system upon thermal cycling has been investigated. It comprises an electron beam…”
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On the failure mechanisms of thermal barrier coatings with diffusion aluminide bond coatings by Spitsberg, I.T., Mumm, D.R., Evans, A.G.

“…The mechanisms governing the failure of multi-layer thermal barrier systems based on Pt-modified nickel aluminide bond coats and electron beam deposited…”
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Phosphorylation of histone H3 serine 28 modulates RNA polymerase III-dependent transcription by Zhang, Q, Zhong, Q, Evans, A G, Levy, D, Zhong, S

“…Deregulation of RNA polymerase III (Pol III) transcription enhances cellular tRNAs and 5S rRNA production, leading to an increase in translational capacity to…”
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Optimal active cooling performance of metallic sandwich panels with prismatic cores by Valdevit, L., Pantano, A., Stone, H.A., Evans, A.G.

“…All-metallic sandwich panels with prismatic cores are being currently investigated for combined structural and active cooling performance. We present a new…”
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Mechanics of materials: top-down approaches to fracture by Hutchinson, J.W, Evans, A.G

“…The utility and robustness of the mechanics of materials is illustrated through a review of several recent applications to fracture phenomena, including…”
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