Experimental And Finite Element Analysis of Tensile Behavior of Stir Casted Magnesium Alloy Az91

Abstract

In this present project work the significance of light weight material is discussed. The conventional light weight metal aluminum is replaced by magnesium. In addition magnesium based alloys are superior properties and most widely applicable in automobile and aircraft materials. High-quality samples of magnesium alloy AZ91 is fabricated through stir casting route. The use of wire cut EDM for sample preparation proved to be a reliable and accurate method for creating uniform samples with consistent dimensions. The ultimate tensile strength (UTS) of the magnesium alloy AZ91 obtained through the wire cut EDM tensile test was 174 MPa, indicating that the material is strong and able to withstand high levels of tensile stress. The ANSYS simulation predicted a slightly lower UTS value of 169 MPa, indicating that the simulation method may have made certain assumptions about the material's behavior that did not match the experimental results. The difference of 5 MPa between the experimental and simulated UTS values suggests that there may be some room for improvement in the simulation methods used in ANSYS software. The results of this study provide valuable information for engineers and materials scientists working with magnesium alloy AZ91, as they demonstrate the material's behavior under tensile loading and highlight potential areas for improvement. Hence the fabricated material is tested experimentally and numerically for its tensile properties. Hence the present work is significant for need of light weight material in automobile and aircraft applications.