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Thermoelastic instabilities in tribological systems, such as brakes or clutches, appear in the shapes of Hot Bands and Hot Spots. Focused temperatures increase as a result of an instability mechanism caused by interactions among displacement, temperature fields and friction-induced heat. To compute this phenomenon, detailed multi-dof-models, e.g. finite element analysis, and two-dimensional minimal...
Three different techniques for measuring wear in brake pads are compared: a gravimetric method (electronic balance), a linear measuring touch probe method, and a three-dimensional laser scanning method. Laboratory-scale wear tests were performed on two different types of brake friction materials: a semi-metallic (SM) and a non-asbestos organic (NAO). All three techniques were able to show clear differences...
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