Definition
When two solids in intimate contact rub against each other, a tangential force develops at the interface. This force, the frictional force, acts opposite to the direction of motion. The frictional force also performs mechanical work on each of the rubbing surfaces. The major portion of that work will be released at the interface as heat. Heat release causes the contacting layers of the sliding solids, and the interface between them, to experience a high temperature rise, especially at the points of true contacts (asperities). This temperature rise is known as the contact temperature, and the methods used to measure this temperature are discussed here.
Scientific Fundamentals
Heat Release at the Interface
During the friction of solid bodies, real contact spots migrate on the...
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Abdel-Aal, H.A. (2013). Contact Temperature Measurement. In: Wang, Q.J., Chung, YW. (eds) Encyclopedia of Tribology. Springer, Boston, MA. https://doi.org/10.1007/978-0-387-92897-5_1311
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DOI: https://doi.org/10.1007/978-0-387-92897-5_1311
Publisher Name: Springer, Boston, MA
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