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Conductivity of liquid metals


Donci6552

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NaK is liquid below room temperature, Galinstan too.

"41% Cs, 47% K, and 12% Na has the lowest melting point of any known metal alloy, at -78 °C" (Wiki about caesium)

 

78%K 22%Na resists 410nohm*m at RT.

Hg resist 961nohm*m at RT.

 

I don't have at hand the resistivity of Ga-In nor Ga-In-Sn (Galinstan). Compare the heat conductivity if the electric one isn't available.

 

NaK reacts with water and humidity.

Hg emits toxic vapours.

Ga-In and Ga-In-Sn are the most civilized.

 

Consider that about any liquid metal is corrosive to solid metals and to some ceramics. For instance Hg amalgamates Al and most metals, Ga botches steel just by contact, and so on.

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