Abstract
The chemical-physical decomposition processes that occur in a brake pad heated to 1000°C have been studied. This temperature can be reached when a brake pad is applied. Thermogravimetry and differential thermal analysis were used in combination with evolved gas analysis, and image analysis using a scanning electron microscope.
A brake pad is essentially a mixture of iron, carbon and binder. Combined techniques have been used,because of chemical reaction overlap, to determine how and at what temperature the binder decomposes, the coal and graphite combust and the iron oxidises.
This work enables the development of brake pads that are stable at high temperature.
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Ramousse, S., Høj, J.W. & Sørensen, O.T. Thermal Characterisation of Brake Pads. Journal of Thermal Analysis and Calorimetry 64, 933–943 (2001). https://doi.org/10.1023/A:1011575013779
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DOI: https://doi.org/10.1023/A:1011575013779