Experimental and numerical analysis of thermal striping in automotive brake discs

Abstract : In the present study, thermal striping development on friction bands of brake discs is investigated through an experimental and numerical analysis. A test consisting of a series of several hundred severe brakings was carried out on a specific bench at PSA Peugeot Citroën. The experimental observations of the crack network evolution and a numerical analysis of a brake disc with a single crack helped to propose a macroscopic criterion capable of predicting the criticality of the network, namely, its ability to lead to the complete failure of the structure. In addition, a numerical analysis of the crack shielding process is developed whose results are compared with experimental findings.
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Fatigue and Fracture of Engineering Materials and Structures, Wiley-Blackwell, 2017, 40 (2), pp.267-276. 〈10.1111/ffe.12495〉
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L Augustins, Francois Hild, R Billardon, S Boudevin. Experimental and numerical analysis of thermal striping in automotive brake discs. Fatigue and Fracture of Engineering Materials and Structures, Wiley-Blackwell, 2017, 40 (2), pp.267-276. 〈10.1111/ffe.12495〉. 〈hal-01481782〉

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