Abstract
Abrasive wear is a crucial problem in the automobile industries which widely use shafts made of various alloys and associate dies of high hardness. In the present work, an experimental analysis has been carried out to compare the friction and wear characteristics of EN8 and EN24 steel popularly used in concerned applications. A pin-on-disc tribometer has been used to measure the frictional behavior of the specimens both at dry and lubricated condition. At a fixed rotating speed (RPM) and truck diameter of the tribometer, variety of loading conditions were applied for the analysis. The better tribological result is obtained in lubricating condition for all aspects. Both En8 and EN24 specimen with 30 N load showed better wear resistance in lubricating condition. To check the hardenability, the samples were heat treated at 950 °C and withheld for long duration before measuring their hardness in Rockwell hardness tester. Surface texture of the steel specimens after heat treatment was studied under scanning electron microscope.
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