Abstract
817M40 steel is a popular grade of hardening alloy steel to its excellent machinability. It is manufactured the mechanical components like gears, shafts, studs and bolts. Its hardness in the range of 248/302 HB. In this paper, notch fillet radius effect on tensile loading was investigated. U-shaped notched bars with three different kinds of notch were employed for tensile testing specimens. The changing the notch root radius and keeping the gross diameter, net diameter and notch depth same for all the notches. The notch root radius is varied as 0.5, 1.0 and 1.5 mm. The experimental results were validated with simulation result conduction on Finite Element Tool ANSYS Workbench. Authors belief that different notch fillet radius may have significant impact on tensile strength.
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