By Lieng-Huang Lee (auth.), Lieng-Huang Lee (eds.)
Polymers and polymer composites were increasinqly utilized in position of metals for numerous industries; specifically, aerospace, automobile, bio-medical, computing device, electrophotography, fiber, and rubber tire. hence, an figuring out of the interactions among polymers and among a polymer and a inflexible counterface can improve the functions of polymers lower than quite a few environments. In meet ing this desire, polymer tribology has advanced to house friction, lubrication and put on of polymeric fabrics and to respond to the various difficulties with regards to polymer-polymer interactions or oolymer inflexible physique interactions. the aim of this primary foreign Symposium was once to introduce advances in experiences of polymer friction and put on, particularly in Britain and the U.S.S.R. such a lot past reviews of the Fifties have been influenced via the expansion of rubber tire industries. non-stop examine throughout the Sixties has broadened the bottom to incorporate different polymers similar to nylon, polyolefins, and poly tetra fluoroethylene, or PTFE. although, a lot of this paintings was once released in engineering or physics journals and barely in chemistry journals; possibly, the latter have regularly thought of the paintings to be too utilized or too inappropriate. no longer till contemporary years have chemists began to notice phrases akin to tribo-chemistry or mechano chemistry and progressively notice an essential function during this box of polymer tribology. therefore, we have been hoping to carry the know-how modern in this SympOSium, in particular to nearly all of members, polymer chemists via training.
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Extra info for Advances in Polymer Friction and Wear
1 ) If the asperities deform plastically, the real contact area will be equal to the quotient of the normal load Wand the mean yield pressure of the softer material A = W (2) P Thus, the coefficient of friction (adhesion) ~a will equal the ratio of the interfacial shear strength to the yield pressure. ~a = F AS W= AP = S P The same reasoning has been applied to polymer adhesion. Shooter and Tabor7 found that the friction of clean metals sliding on polymers is about the same as that of polymers sliding on themselves.
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Advances in Polymer Friction and Wear by Lieng-Huang Lee (auth.), Lieng-Huang Lee (eds.)