Affiliation:
1. Department of Mechanical Engineering, Birla Institute of Technology & Science (BITS), Hyderabad, India
Abstract
Finite element analysis has become an indispensable tool, often used in research and development, to provide valuable insights into the process. The studies in the metal cutting area mostly employ the Finite element method (FEM) due to its ability to highlight the physics involved in chip formation and the range of force generated in the cutting zone. The study involves investigations by adopting the Johnson-Cook (JC) constitutive model with energy-based damage criteria to simulate the turning of a fabricated AM (Mg alloy: 7 wt%Al-0.9 wt%Mn) alloy. For the FEM, the JC and Damage model constants are calculated using inverse identification methodology. The results obtained on the cutting force (Fc), cutting temperature (Tc), and chip-thickness (tc) at different combinations of turning parameters were analyzed and compared with the experimental values. The Predicted data was in line with the experimental data, and a variation of mostly less than 12% was observed. Thus, establishing the efficacy of inverse identification method. Further, the obtained results exhibit the significant influence of turning parameters on Fc(N), Tc(°C), and tc(mm) and enunciates crucial facts related to the AM alloy's machinability.
Subject
Industrial and Manufacturing Engineering,Mechanical Engineering
Cited by
2 articles.
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