Why Is Graphite So Unique And Sensible In Our Every day Life?

 Perhaps you've noticed Isostatic Graphite or Artificial Graphite. You believe each of them are special and amazing. Then let us know much more about graphite.

As a few of us know, graphite is with its special nature. Photovoltaic Graphite is really a good instance. In other words, graphite has special structure consequently it has its special function.

Firstly,graphite is with high temperature resistance. Generally speaking, graphite is melting point may be up to 3 thousand, nine hundred degrees. At the same time, its boiling point may be up to four thousand, two hundred and twenty 5 degrees. Even the ultra high temperature arc ignition, weight loss of graphite continues to be very small. What is much more, its coefficient of thermal expansion can also be very little. 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 using the feature of conductivity. To be particular, graphite is with one hundred times greater conductivity than that of general nonmetal ore. As a matter of reality, it is thermal conductivity may be more than that of steel, iron, lead and other metal supplies. But on the other hand, its thermal conductivity decreases with the increase of temperature. Even in higher temperature, graphite may be as insulator. Graphite can conduct electrical energy because every carbon atom in graphite forms 3 covalent bonds with other carbon atoms. What is much more, each carbon atom still retains one free electrons to charge.

Thirdly, grahite is with good lubrication. To be specific, its lubrication overall performance depends upon the size of graphite flake. In other words, the bigger the flake or Graphite Block is, the smaller the friction coefficient will be, and also the better the lubrication performance will 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 one application of graphite.

Graphite may be used as wear resistant lubricating material. Usually speaking, graphite, within the mechanical industry, is often used as lubricant. As all of us know, the lubricating oil can not be utilized in the condition of higher speed, high temperature and higher stress. But in contrast, graphite is wear-resistant material can be utilized 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 widely used for creating piston cup, sealing ring and bearings. That's simply because once they run, there is no need to add lubricant.