Abstract
The mechanical and wear properties of three high carbon grades of cast iron alloys for brake application has been investigated in this work. The internal specification is to achieve the hardness of 190–260 BHN with 3.6–3.8 % carbon content and other alloying elements. The results show that the addition of Cu (0.5 %) and Cr (0.33 %) has only produced hardness of 170–180 BHN. The tensile strength and hardness decline by 15–20 % when graphite volume increases from 30 to 50 %. All the samples show both mass loss as well mass gains with uniform friction coefficient due to carbon layer deposit at the interface.
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