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Transient Effects in Friction

von Andreas Goedecke
Softcover - 9783709116869
106,99 €
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Hardcover - 9783709115053
106,99 €

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Weitere Formate

Hardcover - 9783709115053
106,99 €

Beschreibung

Transient friction effects determine the behavior of a wide class of mechatronic systems. Classic examples are squealing brakes, stiction in robotic arms, or stick-slip in linear drives. To properly design and understand mechatronic systems of this type, good quantitative models of transient friction effects are of primary interest. The theory developed in this book approaches this problem bottom-up, by deriving the behavior of macroscopic friction surfaces from the microscopic surface physics. The model is based on two assumptions: First, rough surfaces are inherently fractal, exhibiting roughness on a wide range of scales. Second, transient friction effects are caused by creep enlargement of the real area of contact between two bodies. This work demonstrates the results of extensive Finite Element analyses of the creep behavior of surface asperities, and proposes a generalized multi-scale area iteration for calculating the time-dependent real contact between two bodies. The toolset is then demonstrated both for the reproduction of a variety of experimental results on transient friction as well as for system simulations of two example systems.

Fractal Asperity Creep

Fractal Asperity Creep

Details

Verlag Springer Wien
Ersterscheinung 19. Mai 2015
Maße 23.5 cm x 15.5 cm
Gewicht 335 Gramm
Format Softcover
ISBN-13 9783709116869
Auflage 2013
Seiten 197