**8. References**

234 Tribology in Engineering

publications from tribochemical ones.

mechanochemistry and tribochemistry have a formal character.

broadly encompass triboemission and triboplasma processes.

considered as a subset of mechanochemistry.

tribochemistry discipline.

**7. Conclusions** 

goal of this Chapter.

**Author details** 

*Automotive Industry Institute PIMOT, Warsaw* 

Czesław Kajdas

*6.4.5. Common denominators of mechanochemistry and tribochemistry* 

mechanochemically initiated polymerization, depolymerization and mechanolysis. It also considers lubricant design and lubricity process and, differentiates mechanochemical

At this point, it is proposed to assign *inorganic mechanochemistry* to *mechanochemistry* and, *organic mechanochemistry* to *tribochemistry.* Thus, major differences between

Considering that the excess energy (energy stored in a sytem) serves as the origin of enhanced reactivity of materials under mechanical treating, their common denominators

In the present Chapter understanding, there is only a formal overlap of these disciplines in terms of inorganic and organic chemistry. Accordingly, *mechanochemistry* is the *inorganic mechanochemistry* and, *tribochemistry* is the *organic mechanochemistry*. Tribochemistry is

The major denominatot for inorganic mechanochemistry, organic mechanochemistry, catalysis and tribocatalysis is the NIRAM-HSAB approach, because it allows accounting for most of very specific tribological findings. It also demonstrates how organic chemistry is changing via physical chemistry, chemical physics and nowadays by contributing to tribochemistry. Book chapter [82] details physical and chemical phenomena concerning the

Mechanically initiated chemical reactions in solids are not new and presently there are many practical and theoretical achievements. Since mechanically initiated chemical reactions in solids have not received adequate attention yet, first of all a better understanding between researchers dealing with mechanochemistry and tribochemistry is needed. It was a major

The new approach to mechanically initiated chemical reactions shows that the NIRAM-HSAB theory is important in accounting for most of very specific tribological findings and,

(2)

also allows to account for the first mechanochemical reactions, for example

or modify the mechanism of heterogeneous C - C bond splitting in polymers.

*Warsaw University of Technology, Institute of Chemistry, Płock, Poland* 


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