Search Results - "West, G. D."

Evaluating surface deformation and near surface strain hardening resulting from shot peening a tempered martensitic steel and application to low cycle fatigue by Soady, K.A., Mellor, B.G., West, G.D., Harrison, G., Morris, A., Reed, P.A.S.

“…•Cumulative shot peening plastic strain profiles were determined by various methods.•These were electron backscatter diffraction, microhardness and X-ray…”
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Role of Elemental Sublimation during Solution Heat Treatment of Ni-Based Superalloys by D’Souza, N., Simmonds, S., West, G. D., Dong, H. B.

“…The role of elemental evaporation on the microstructural stability of blade surfaces has been investigated on solutioned and aged samples of Ni-based…”
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The effect of rare earth dopants on grain boundary cohesion in alumina by West, G.D., Perkins, J.M., Lewis, M.H.

“…The effect of rare earth (RE) grain boundary segregation on mode of fracture in alumina has been investigated. In order to isolate the effects of…”
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Phase determination and microstructure of oxide scales formed on steel at high temperature by WEST, G. D., BIROSCA, S., HIGGINSON, R. L.

“…Summary Even in simple low‐alloy steels the oxide scales that form during hot working processes are often a complex mixture of three iron oxide phases:…”
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Assessment of surface hardening effects from shot peening on a Ni-based alloy using electron backscatter diffraction techniques by Child, D.J., West, G.D., Thomson, R.C.

“…An electron backscatter diffraction (EBSD)-based tool is described to assess the depth of strain-hardening effects of shot-peening treatments applied to the…”
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On the Evolution of Primary Gamma Prime Precipitates During High Temperature and High Strain Rate Deformation and Subsequent Heat Treatment in the Ni-Based Superalloy, RR1000 by D’Souza, N., Li, W., Argyrakis, C., West, G. D., Slater, C. D.

“…The microstructural evolution following compression and subsequent sub-solvus and super-solvus heat treatment was studied in the Ni-based superalloy, RR1000,…”
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Microstructural Characterization of the Heat-Affected Zones in Grade 92 Steel Welds: Double-Pass and Multipass Welds by Xu, X., West, G. D., Siefert, J. A., Parker, J. D., Thomson, R. C.

“…The microstructure in the heat-affected zone (HAZ) of multipass welds typical of those used in power plants and made from 9 wt pct chromium martensitic Grade…”
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The Influence of Thermal Cycles on the Microstructure of Grade 92 Steel by Xu, X., West, G. D., Siefert, J. A., Parker, J. D., Thomson, R. C.

“…The microstructure in the heat-affected zone (HAZ) of welds made from the 9 wt pct chromium martensitic Grade 92 steel is complex and has not yet been…”
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Halo Formation During Solidification of Refractory Metal Aluminide Ternary Systems by D’Souza, N., Feitosa, L. M., West, G. D., Dong, H. B.

“…The evolution of eutectic morphologies following primary solidification has been studied in the refractory metal aluminide (Ta-Al-Fe, Nb-Al-Co, and Nb-Al-Fe)…”
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Effect of semi-solid forging on microstructure and mechanical properties of in-situ cast Al-Cu-TiB2 composites by Mathew, James, Mandal, Animesh, Kumar, S. Deepak, Bajpai, S., Chakraborty, M., West, G.D., Srirangam, Prakash

“…The present work deals with the effect of semisolid processing on microstructure and mechanical properties of Al-4.5% Cu – 5% TiB2 in-situ cast composites. The…”
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Solidification Reaction Sequence of Co-Rich Nb-Al-Co Alloys by Feitosa, L. M., D’Souza, N., West, G. D., Dong, H. B.

“…The freezing reaction sequence of Co-rich Nb-Al-Co ternary alloys with emphasis on the formation of Laves and Heusler phases has been examined. For Co-rich…”
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Characterisation of fine-grained oxide ceramics by West, G D, Perkins, J M, Lewis, M H

“…A range of high resolution techniques have been used to characterise the grain boundary segregation behaviour of rare earth (RE) doped (La, Gd, Eu and Yb)…”
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Discontinuous Precipitation in Ni-Base Superalloys During Solution Heat Treatment by Welton, D., D’Souza, N., Kelleher, J., Gardner, S., Dong, Z. H., West, G. D., Dong, Hongbiao

“…Discontinuous precipitation in single-crystal Ni-base superalloys during solution heat treatment has been studied. It is found that discontinuous precipitation…”
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Combined EBSD/EDS tomography in a dual-beam FIB/FEG-SEM by WEST, G.D, THOMSON, R.C

“…An automated method for collecting combined three-dimensional (3D) electron backscatter diffraction (EBSD)/energy dispersive spectroscopy (EDS) data sets on a…”
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The use of combined three-dimensional electron backscatter diffraction and energy dispersive X-ray analysis to assess the characteristics of the gamma/gamma-prime microstructure in alloy 720Li by Child, D.J., West, G.D., Thomson, R.C.

“…Multiple three-dimensional reconstructions of a γ/γ′ phase structure in Alloy 720Li have been carried out by employing a serial milling technique with…”
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Key aspects of carbide precipitation during solidification in the Ni-base superalloy, MAR M002 by D'Souza, N., Kantor, B., West, G.D., Feitosa, L.M., Dong, H.B.

“…Key differences have been shown to exist between the predicted solidification path using thermodynamic calculations compared with that determined…”
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Effects of solute trapping on solidification path in Ta-rich Ta-Al-Fe ternary alloys under rapid freezing by D'Souza, N., Feitosa, L.M., West, G.D., Jones, N.G., Dong, H.B.

“…The solidification sequence of Ta-rich Ta-Al-Fe alloys was examined under rapid freezing processes, arc melting and splat cooling techniques. It is found that…”
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A node or not a node; that is the question? by Jeyabalan, A, Bhatt, N, Edey, A J, West, D G, Medford, Andrew R L

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Focused ion beam milling and ultramicrotomy of mineralised ivory dentine for analytical transmission electron microscopy by Jantou, V., Turmaine, M., West, G.D., Horton, M.A., McComb, D.W.

“…The use of focused ion beam (FIB) milling for preparation of sections of mineralised ivory dentine for transmission electron microscopy (TEM) is investigated…”
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Initiation of the cadmium chloride assisted re-crystallization process of magnetron sputtered thin film CdTe by Abbas, A., Maniscalco, B., Bowers, J. W., Kaminski, P. M., West, G. D., Walls, J. M.

“…The re-crystallization of thin film cadmium telluride (CdTe) using the cadmium chloride (CdCl 2 )annealing procedure is a vital process for obtaining high…”
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