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pro vyhledávání: '"J. J. Favier"'
Akademický článek
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Publikováno v:
Acta Astronautica. 63:156-164
The pressing need for dispatched information anytime anywhere has until now fueled technology and economy beyond any prospect. Needless to recall, mobile telephony success or GPS navigation kits come close to becoming standard equipment for any produ
Publikováno v:
Applied Physics Letters. 58:97-99
The Grenoble drop tube first experiments and results on pure W and Re droplets are presented. High absolute amounts of undercooling have been reached (530 K for W and 975 K for Re). The solidified samples are single crystals in the case of W and poly
Akademický článek
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Publikováno v:
Journal of Crystal Growth. 38:109-117
Unidirectional solidification of very thin specimens of PbSn has been investigated by Racek; thin In 2 Bi In lamellar cutectic ribbons are produced by the same experimental procedure. The lamellar structure of these specimens is perfect in areas o
Publikováno v:
Advances in Space Research. 8:293-304
The problem of surface tension-driven flows in horizontal liquid layers has been studied experimentally, and theoretically by direct numerical simulation and small perturbation analysis. We focus our attention on situations in which the depth of the
Publikováno v:
Acta Astronautica. 13:723-726
Marangoni flows in liquid metals are studied in two complementary ways: 1. 1. An order of magnitude analysis of the flow regimes is performed on the basis of the concepts of the boundary layer theory, as previously performed for the case of buoyancy
Publikováno v:
Journal of Crystal Growth. 61:681-688
Directional melting of binary systems, as encountered during seeding in melt growth, is analyzed for concurrent compositional changes at the crystal-melt interface. It is shown that steady state conditions cannot normally be reached during seeding an
Publikováno v:
Journal of Applied Crystallography. 10:213-219
In directionally solidified Pb–Sn eutectic, prepared by the Bridgman technique, it has been found that it is possible to obtain grains of nearly perfect lamellar structure and stable at elevated temperatures. The interlamellar spacing λ is 1 μm a
Publikováno v:
Metallurgical Transactions B. 14:105-108