Material on brake disc


Production of brake disc materials can be divided into two categories of carbon fiber and cast iron. Carbon brake disc heat resistance and is very light, but the price is relatively expensive, so only in the competition in F1. Under normal circumstances the use of cast iron as the material of the brake disc, according to the shape of the graphite content can be roughly divided into /CV cast iron /FCD cast iron FC. FC cast iron has the advantages of easy processing, wear-resistant, easy to mass production, so many of the original brake discs are used in this cast iron as a material. But this material also has drawbacks, such as in the high temperature region (more than 600 degrees Celsius) repeated heating and cooling will produce the deformation or cracks. FCD cast iron is a very good material, has the ability to match the ductility of steel, but also has a high heat resistance. But on the other side of the surface hardness is relatively soft, if the production of the brake disc as a raw material, then the brake disc wear and heat are very high.

CV cast iron this material is between FC cast iron and FCD cast iron material, but in the manufacturing process of quality management is very difficult, its performance is easy to bias FC cast iron or FCD cast iron, it is difficult to grasp stability. DIXCEL through the experiment of a number of vehicles in the final selection of a special additive FC cast iron as the material. The original factory goods generally use intensity fc150 ~ 200 materials (FC here a denotes the strength of units), and DIXCEL generally use intensity fc200 ~ 250 of high resistance materials, in the additive also do enough to more effectively respond to changes in temperature. Of course, in terms of accuracy, balance, not to say, to maintain a consistent high level.