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Finite element simulation of shot peening of an aluminum alloy considering hardening models

  • Pressure Treatment of Metals
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Russian Journal of Non-Ferrous Metals Aims and scope Submit manuscript

Abstract

Shot peening is a surface engineering process acknowledged for its potential to develop fatigue strength and erosion-corrosion resistance of metallic materials. In the present study, a 3-D finite element model is employed to predict the effective parameters through a single shot impact and the accuracy of the simulation is validated using previous literatures. In order to induce uniform compressive residual stress patterns across the specimen, processing parameters such as shot velocity, impact angle and friction coefficient should be controlled. It is observed that by increasing the shot velocity and the friction coefficient, the depth of compressive residual stress increases. Moreover, a comparative study between isotropic and kinematic hardening models is performed to evaluate the significant role of the hardening models on the compressive residual stress. It is observed that the kinematic hardening model shows better compatibility with the experimental results compared to the isotropic hardening.

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Authors and Affiliations

  1. School of Metallurgy and Materials Engineering, Iran University of Science and Technology, Tehran, Iran

    Masoud Ahmadi & Bagher Mohammad Sadeghi

  2. Graduate School of Mechanical and Aerospace Engineering, Gyeongsang National University, Gyeongsang, Republic of Korea

    Missam Irani

  3. Materials Processing Simulation Laboratory, School of Metallurgy and Materials Engineering, Iran University of Science and Technology, Tehran, Iran

    Farhad Rahimi

Authors
  1. Masoud Ahmadi
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  2. Bagher Mohammad Sadeghi
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  3. Missam Irani
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  4. Farhad Rahimi
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Correspondence to Bagher Mohammad Sadeghi.

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Ahmadi, M., Sadeghi, B.M., Irani, M. et al. Finite element simulation of shot peening of an aluminum alloy considering hardening models. Russ. J. Non-ferrous Metals 57, 565–571 (2016). https://doi.org/10.3103/S106782121606002X

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  • DOI: https://doi.org/10.3103/S106782121606002X

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