Light Weight Material-Carbon Fibre

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Steel and other hard construction materials have revolutionized the field of industry. Now, a stage has come that there is a need of a better material to catch up with the growing needs and demands of the modern society. This need has bought up a newer material to the field which is now known as Carbon Fibres.

Carbon fibre is one of the latest reinforcement materials used in composites. It's a real hi-tech material, which provides very good structural properties, better than those of any metal. Carbon fibre has a tensile strength almost 3 times greater than that of steel, yet is 4.5 times less dense. Carbon fibers are carbon fibres with values of Young’s modulus between 150 and 275 to 300 GPa.

When you go to a sports shop you are inundated with new "graphite" based materials for sports equipment: golf clubs, tennis rackets, bicycles (frames and wheel disks), ultra light airframes feature these new lightweight materials. But, we are also familiar with graphite as being a very common and mundane substance. Graphite has long been a component of pencil lead, and is used as a basic lubricant. How is it that graphite is both a hi-tech and low-tech material? Could we take a bunch of pencil leads and epoxy them together into a cutting edge tennis racquet? Anyone who has used mechanical pencils knows that the leads break far too easily to provide a strong frame. It would seem as if there are two different kinds of graphite. In fact, this is true. When vendors market "graphite fibre" products they are usually selling a "carbon fibre" product. The correct name for the fibres used in all strengthening and reinforcing applications is carbon fibres. But, there is more to the story than just a general misconception over the term "graphite fibres." Surprisingly, if we look at a small section of graphite and carbon fibres on the atomic level they appear to be identical.

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