Zobrazeno 1 - 10
of 67
pro vyhledávání: '"J.A. Spittle"'
Autor:
M.W. Meredith, A.L. Greer, W. Schneider, J.A. Spittle, Peter Schumacher, P.S. Cooper, A. Tronche
Publikováno v:
Advanced Engineering Materials. 5:81-91
A review is given of the studies of aluminium inoculation undertaken within the EU Network “Microstructural Engineering by Solidification Processing” (MEBSP). A wide range of studies of industrial practice of grain refining and of the fundamental
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0dd4f9d85fca457449fbe7a00b45e0c7
https://doi.org/10.1002/adem.200390013
https://doi.org/10.1002/adem.200390013
Publikováno v:
Acta Metallurgica et Materialia. 42:2893-2898
A 2D cellular automaton model has been developed to study the steady-state “free” growth of a non-isothermal dendrite. The model incorporates rules to account for heat diffusion, the influence of curvature on the equilibrium freezing temperature
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::04eab9a1f139871010b81a0596029a98
https://doi.org/10.1016/0956-7151(94)90230-5
https://doi.org/10.1016/0956-7151(94)90230-5
Autor:
J.A. Spittle, S.G.R. Brown
Publikováno v:
Acta Metallurgica et Materialia. 42:1811-1815
A 3D cellular automaton model has been developed to illustrate the evolution and coupled radial growth for a two phase cell (grain). Coupled growth occurs in various types of phase transformation in materials systems and the resulting microstructures
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::052e8c4f56602fc31e65a7caacb1feb5
https://doi.org/10.1016/0956-7151(94)90006-x
https://doi.org/10.1016/0956-7151(94)90006-x
Darcy's law has been applied to the 3D finite difference numerical determination of the influence of solid fraction and geometry on the permeability of equiaxed dendritic structures. The micro-model computes the permeability for flow through a domain
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b562d95ed77679eb76838fe81e89da7a
https://cronfa.swan.ac.uk/Record/cronfa1990
https://cronfa.swan.ac.uk/Record/cronfa1990
The finite element method has been used to predict the variation in effective thermal conductivity, k eff , in evolving three-dimensional dendritic mushy zones. The model demonstrates the influence of a dendrite-like geometry and volume fraction of s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9277274a3eba157130a1f051a56a8bdc
https://cronfa.swan.ac.uk/Record/cronfa20160
https://cronfa.swan.ac.uk/Record/cronfa20160
Autor:
J.A Spittle, A.P Titchener
Publikováno v:
Acta Metallurgica. 23:497-502
The microstructures have been examined of unidirectionally solidified alloys which solidify under equilibrium conditions as two phase structures and have compositions within a peritectic horizontal. It has been demonstrated that steady state solidifi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::035bf3addefe07c2fad2b4191990e0bb
https://doi.org/10.1016/0001-6160(75)90089-9
https://doi.org/10.1016/0001-6160(75)90089-9
Autor:
S. Chiba, J.A. Spittle
Publikováno v:
Materials Science and Technology. 2:165-168
The influence of composition on the macrostructures of small ingots has been studied in the systems Al–Sn,Cd–Zn, Bi–Cd, Bi–Sn, and Pb–Sn. In each of these systems an anomaly was observed, within the eutectic horizontal on one side of the eu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8dc72939d2e8be3f21e0ba7a3cdf7c8f
https://doi.org/10.1179/mst.1986.2.2.165
https://doi.org/10.1179/mst.1986.2.2.165
Publikováno v:
Metallography. 20:181-197
The effects of cooling rate and titanium addition on the as-solidified structures of hypo- and hypereutectic Zn-Al alloys of near-eutectic composition have been investigated. It was found that increasing cooling rate refined the microstructure of hyp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6ecee96024f14dc8b53bc7172b2db081
https://doi.org/10.1016/0026-0800(87)90028-0
https://doi.org/10.1016/0026-0800(87)90028-0
Autor:
J.A. Spittle
Publikováno v:
Metallography. 6:115-121
The structures of the eutectic in slowly cooled and quenched Zn-Ti alloys have been examined using a scanning electron microscope. A lamellar to rod eutectic transition occurs as the alloy composition changes from hypoeutectic to hypereutectic. A rod
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::33e2e204653ce853586dfe7f14246fb9
https://doi.org/10.1016/0026-0800(73)90003-7
https://doi.org/10.1016/0026-0800(73)90003-7
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