The present work discusses the tribological performance of friction composites reinforced by natural fibers at continuous and starting – stopping tests aiming to provide specific relationship between the performances of the two tests. In the friction composites, asbestos is replaced by the tested natural fibers such as corn, palm and sugar bars....

During the 2nd world wide war, the wear rates in mechanical components of planes which were in Al-Aalamain (at the north west of Egypt region), were three times as those in the European countries. The main reason for these high rates of mechanical wear is the high rates of dust due to environmental issues and conditions....