Effect of small nickel additions on viscosity of liquid aluminumстатья
Статья опубликована в высокорейтинговом журнале
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Дата последнего поиска статьи во внешних источниках: 28 февраля 2020 г.
Аннотация:In this paper the temperature dependences (from liquidus temperature to 1200 C) of the kinematic viscosity for the liquid aluminum and the AleNi alloys with a nickel concentration of 0.027; 0.055; 0.15; 0.50 and 1.0 at.% have been experimentally investigated by means of the oscillating-cup method. For all liquid alloys under studied the temperature dependences of the viscosity within the heating and cooling regimes coincide. In the case of liquid aluminum and melts with a nickel concentration up to 0.50 at.%, inclusively, a deviation of viscosity polytherms from an Arrhenius dependence was found. It has been shown that the increase of the nickel concentration in the melt leads to an increase of the viscosity values.