ABSTRACT
This chapter discusses tribochemistry processes as a subfield of mechanochemistry because they are activated by the mechanical energy. This is because such processes are governed by lower activation energies than those of regular thermochemical or catalytic processes. Thus, mechanical energy alters significantly chemical reactions. The chapter mostly focuses on novel tribochemistry approaches. These novel approaches include the modified/enhanced negative-ion-radical action mechanism (NIRAM) theory, action mechanisms and the tribochemistry of extreme pressure additives, computer head- hard disk tribochemistry, degradation of perfluoro-polyether lubricants, and tribochemistry of soap formation. Triboelectricity is combined with electronegativity because various materials have various desire for electrons. Simply, some materials have tendency to take electrons from other ones that are ready to render electrons. The chapter considers tribochemistry processes as the subfield of mechanochemistry, which expect that electrochemical approach to tribochemistry, similarly as in the mechanochemistry-derived tribocorrosion, in the future electrochemistry will open a new horizon to better understand and control also tribochemical reactions.
