Selection of materials formulation for non-asbestos friction materials using multi-criteria decision-making Online publication date: Wed, 19-Jan-2022
by Dinesh Shinde; Mukesh Bulsara; K.N. Mistry
International Journal of Materials Engineering Innovation (IJMATEI), Vol. 12, No. 4, 2021
Abstract: Friction materials (FM) should possess consistent and stable coefficient of friction at the same time should have resistance to wear sustained at higher temperature. In order to develop a friction material exhibiting many functional requirements, one should think from different viewpoints, which gives motivation for use of multi-criteria decision-making (MCDM) in selection of materials formulation for the friction materials. In this work, three material formulations (CSP0, CSP15, and CSP30) for friction materials and specimens were prepared as per industry standards. The FMs were subjected to Chase friction test under controlled condition as recommended by SAE J661. The results of the test were interpreted for two fade and recovery cycles through different attributes and were further used in MCDM for the selection of best material formulation using grey relation analysis (GRA). To understand the surface wear behaviour of the materials, they were subjected to microstructural analysis using SEM/EDS.
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