Results 291 to 300 of about 30,563 (351)

Effect of Solidification Direction on the Freckle Formation in Single-Crystal Superalloy Castings. [PDF]

Materials (Basel)
Ma D, Sun H, Zhao Y, Xu W, Huang Z, Cheng B, Liu Y, Wang F, Yang Q, Li L, Deng Y, Xu F, Zhang H, Wu M.   +13 more
europepmc   +1 more source

Phase-field Simulation Study of Dendritic Grain Growth Competition during Alloy Directional Solidification

D. Tourret
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Evolution of Primary Spacing during Directional Solidification of Transparent Bulk Samples Conducted on DECLIC-DSI

, 2017
Jorge Pereda, F.L. Mota, B. Billia, Y. Song, Jean‐Marc Debierre, Alain Karma, R. Trivedi, N. Bergeon   +7 more
openalex   +1 more source

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Directional solidification of aluminium–copper alloys

Materials Science & Engineering A: Structural Materials: Properties, Microstructure and Processing, 2002
Abstract Directional solidification experiments have been carried out on different Al–Cu alloys as a function of solidification parameters, temperature gradient G, growth rate V, and composition C0. The specimens were solidified under steady state conditions with a constant temperature gradient (7.4 K mm−1) at a wide range of growth rates (9–490 μm s−
Mehmet GÜndÜz
exaly   +3 more sources

Shallow cells in directional solidification

Physical Review Letters, 1989
The existing theory on two-dimensional transitions (appropriate to thin parallel-plate geometries) is presented in such a way that it is possible to identify easily conditions for the onset of shallow cells. Conditions are given under which succinonitrile-acetone mixtures should undergo supercritical bifurcation in experimentally accessible ranges ...
, Merchant, , Davis
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Direct observation of microbubbles in directional solidification of salol

Physical Review Letters, 1990
Dynamic light scattering at the crystal-melt interface of solidifying salol was followed for 14 days. The hydrodynamic radius deduced from intensity correlation data increased continuously from {approx}1 to {approx}100 {mu}m. When the scattering layer was trapped by the advancing crystal front, microscopic observation revealed bubbles as inclusions ...
, Williams, , Srinivasan, , Cummins
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Directional solidification with ACRT

Journal of Crystal Growth, 1993
Abstract The interfacial mass transfer rate between the endwall and the bulk liquid in a vertical Bridgman configuration was measured during spin-up and spin-down (ACRT). The enhancement of mass transfer rate caused by spin-up and spin-down persisted much longer than the Ekman time after an impulsive change of the ampoule rotation rate.
J. Zhou, M. Larrousse, W.R. Wilcox, L.L. Regel   +3 more
openaire   +1 more source