Abstract
Experimental Investigation of Physical and Mechanical Properties of Steel Powder Filled Disc Brake Friction Materials
Highlights
There have been rapid developments in the automotive industry due to increasing demand for high speed and high engine power vehicles
Determination of density and void content is essential for estimation of the quality of the friction composites
The density of the composites is in the range of 2.25 g cm–3 to 2.34 g cm–3 (Figure 5), and percentage void content is in the range of 14.5 to 17.81 (Figure 6)
Summary
There have been rapid developments in the automotive industry due to increasing demand for high speed and high engine power vehicles For such commercial vehicles, the brake friction material is required to provide a stable coefficient of friction (COF) and a lower wear rate at various operating speeds, pressures, temperatures and environmental conditions. Study has been done on the effect of various organic fibres like aramid, PAN, carbon and cellulose on the fade and recovery behaviour of friction composites.[10] The addition of the metallic ingredients like brass, iron, chromium and copper controls the wear and thermo-physical properties of the friction materials.[11,12,13] The main function of the solid lubricants is to maintain the constant level of friction. The correlation between the coefficient of friction of four composites and their physical properties is studied
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