Abstract

An unknown type of phase transition of a metal from the solid state to a liquefaction one at a temperature T<740 K is established, which is much lower than the melting point of the investigated Ni. This effect we called an electronic ricochet. The transition arises in the ordinary lamp inside its nickel wire due to an electric explosion of the tungsten filament connected to it. The medium of its propagation was quasi free electrons, which removed the ricochet far from the site of the explosion. The ratio of the volume Vd of the formed Ni drops to the volume Vc of the solid conductor from which these droplets increased was Vd/Vc≈0.2. This means that at least 20% of the mass of the solid metallic conductor was subjected to such an unusual phase transition. The result of the action of the electronic ricochet was found in six lamps out of hundreds of tested samples.

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