Improvement of Fatigue Properties of EN AW 6082 Aluminum Alloy using Different Deep Rolling Directions

Deep rolling (DR) is an effective mechanical surface treatment method to improve the fatigue properties of engineering components. In this method, component was rolled using a roller with predetermined force obtain reduced roughness, hardness increases and compressive residual stresses in region. These alterations allow for increasing lives components industrial applications. current study, DR applied tangential longitudinal directions on specimens that were manufactured EN-AW 6082-T6 aluminum. The resulting determined experimentally. Fatigue tests carried out determine improvements after DR. It found DR-induced depend direction considerably. Due reason, strength be different Longitudinal resulted 23% increase compared 7% rolling. For both applications, cracks shown initiate at sub-surface region, whereas as-turned exhibited crack initiation.