development of new technologies for the production of brake discs. The first companies who introduce these new technologies was
Mercedes and Renault, [7]. Table 1 presents chronologically, the evolution of the materials used to build the brake discs, [6].
During the twentieth century-the first brake disc created in 1902 has been continuously improved, both in terms of material and in
terms of performance.
The evolution of automotive brake discs was marked by Dunlop Gridlingand Lockhed Corporation, whose products are similar to
those records today, [6]. The first material of which were made brake discs was gray iron that meets all requirements in terms of:
thermal conductivity, thermal diffusivity, corrosion resistance, durability in operation, low noise, stability friction, low wear, price
low cost. Over more than 100 years we have developed numerous materials that were created in order to improve brake
performance. However, many of these have proved to be ineffective, the only material which has been preserved to these days was
gray cast iron.