Sliding simulation of automotive brake primary contact with variable amounts of copper and graphite nanoparticles

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Sliding simulation of automotive brake primary contact with variable amounts of copper and graphite nanoparticles	407 KB	Adobe Acrobat PDF	Read	Download
DOI Доступ к ресурсу на сайте издателя			10.1063/1.4966337

Title: Sliding simulation of automotive brake primary contact with variable amounts of copper and graphite nanoparticles
Creator: Dmitriev, Andrey I.
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Österle, Werner
Date: 2016
DOI: 10.1063/1.4966337
Description: Copper is one of the most important components in brake pads and its amount can reach up to 14%. In spite of a number of positive features copper usage in brake pad formulations has recently become the subject of considerable discussions, primarily due to concerns about potential risks related to environmental impacts of copper particles. So, for developing new pad formulations with possible replacements of copper content, it is very important to understand the functionality of copper additions to brake friction materials. In the paper theoretical investigation of the role of copper as a pad ingredient was carried out on the basis of modelling by the method of movable cellular automata (MCA). In the study the concentration of copper particles in a Fe3O4-matrix was varied. The sliding simulations were performed while assuming material properties at 500°C in order to assess the beneficial role of copper during severe braking conditions corresponding to fading cycles during dynamometer testing.