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This book deals with the properties and behavior of carbon at high
temperatures. It presents new methods and new ways to obtain the
liquid phase of carbon. Melting of graphite and the properties of
liquid carbon are presented under stationary heat and pulse
methods. Metal like properties of molten graphite at high initial
density are indicated. A new possible transition of liquid carbon
from metal to nonmetal behavior much above the melting point is
mentioned. Methodical questions of pulse heating, in particular the
role of pinch-pressure in receiving a liquid state of carbon, are
discussed. The reader finds evidence about the necessity of
applying high pressure (higher than 100 bar) to melt graphite
(melting temperature 4800+/-100 K). The reader can verify the
advantage of volume pulse electrical heating before surface laser
heating to study the physical properties of carbon, including
enthalpy, heat capacity, electrical resistivity and temperature.
The advantages of fast heating of graphite by pulsed electric
current during a few microseconds are shown. The data obtained for
the heat capacity of liquid carbon under constant pressure and
constant volume were used to estimate the behavior at temperatures
much higher 5000 K.
This book deals with the properties and behavior of carbon at high
temperatures. It presents new methods and new ways to obtain the
liquid phase of carbon. Melting of graphite and the properties of
liquid carbon are presented under stationary heat and pulse
methods. Metal like properties of molten graphite at high initial
density are indicated. A new possible transition of liquid carbon
from metal to nonmetal behavior much above the melting point is
mentioned. Methodical questions of pulse heating, in particular the
role of pinch-pressure in receiving a liquid state of carbon, are
discussed. The reader finds evidence about the necessity of
applying high pressure (higher than 100 bar) to melt graphite
(melting temperature 4800+/-100 K). The reader can verify the
advantage of volume pulse electrical heating before surface laser
heating to study the physical properties of carbon, including
enthalpy, heat capacity, electrical resistivity and temperature.
The advantages of fast heating of graphite by pulsed electric
current during a few microseconds are shown. The data obtained for
the heat capacity of liquid carbon under constant pressure and
constant volume were used to estimate the behavior at temperatures
much higher 5000 K.
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