Maybe you've noticed Isostatic Graphite or Artificial Graphite. You believe each of
them are unique and amazing. Then let us know much more about graphite.
As a few of us know, graphite is with its
unique nature. Photovoltaic Graphite is really a good example. In other words,
graphite has special structure as a result it has its unique feature.
Firstly,graphite is with higher temperature
resistance. Usually speaking, graphite is melting point can be up to three
thousand, nine hundred degrees. Simultaneously, its boiling point may be as
much as 4 thousand, two hundred and twenty 5 degrees. Even the ultra higher
temperature arc ignition, weight loss of graphite is still extremely small.
What is more, its coefficient of thermal expansion can also be very small. In
contrast, the graphite strength increases with the increasing temperature. By
the way, when the temperature of graphite is two thousand, the graphite
intensity may be doubled.
Secondly, graphite is with the feature of
conductivity. To be particular, graphite is with one hundred occasions higher
conductivity than that of common nonmetal ore. As a matter of fact, it is
thermal conductivity may be more than that of steel, iron, lead as well as
other metal materials. But on the other hand, its thermal conductivity
decreases with the improve of temperature. Even in high temperature, graphite
may be as insulator. Graphite can conduct electricity simply because each
carbon atom in graphite types three covalent bonds with other carbon atoms.
What is much more, each carbon atom still retains 1 free electrons to charge.
Thirdly, grahite is with great lubrication.
To be specific, its lubrication overall performance depends on the size of
graphite flake. In other words, the larger the flake or Graphite Block is, the
smaller sized the friction coefficient will probably be, and also the better
the lubrication overall performance will probably be.
Fourthly, graphite is with good chemical
stability. Graphite has great chemical stability at space temperature.
Consequently, it's with acid, alkali and corrosion resistance to organic solvents.
Now, let us discuss 1 application of
graphite.
Graphite can be used as put on resistant
lubricating material. Usually speaking, graphite, within the mechanical
industry, is frequently used as lubricant. As all of us know, the lubricating
oil can not be utilized within the condition of higher speed, high temperature
and high stress. But in contrast, graphite is wear-resistant material may be
used in the temperature of two hundred to two thousand degrees and with out
lubricating oil.
As for many devices that transport the
corrosive medium, graphite is extensively utilized for making piston cup,
sealing ring and bearings. That is because when they run, there's no have to
add lubricant.
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