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Effect of Shot Peening Parameters on Parabolic Leaf Spring’s Residual Stress

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Advances in Mechanical Engineering, Materials and Mechanics (ICAMEM 2019)

Part of the book series: Lecture Notes in Mechanical Engineering ((LNME))

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Abstract

Shot peening applied on parabolic leaf spring is a mechanical surface treatment intended to improve the fatigue strength by generating residual compressive stress. However, a systematic investigation of the effect of shot peening parameters on residual stresses is still required.

The aim of the present work is to improve the knowledge of the role of shot peening in manufacturing leaf springs vehicles, through analyzing effects of different shots peening parameters by X-ray diffraction analysis. Among this investigation the parameters of the shot penning machine; turbine speed, amperage presented by the Almen intensity and the deflection of spring has been varied to optimal performance regarding residual stress. X-ray diffraction analysis shows that; on the one hand; the increase of shots speed and subsequently the Almen Intensity improves the residual stress at depth but the surface stress decreases. On the other hand, spring deflection improves the residual stress profile.

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References

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Acknowledgments

This work has been done with the COTREL-CAVEO working team. My thanks for my boss Mr. Imed Ben Rzouga; he trusted me and he encouraged me a lot. And for Mr. Raouf Fathallah and Akrem Khalifa for their supervision.

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Authors and Affiliations

  1. Unité de Génie de Production Mécanique et Matériaux (UGPM2), Ecole Nationale d’Ingénieurs de Sfax (ENIS), Université de Sfax, Sfax, Tunisia

    Sari Guimaji, Akram Khalifa & Raouf Fathallah

  2. Ecole Nationale d’ingénieur de Sousse, Université de Sousse, BP 264 Sousse Erriadh, Sousse, Tunisia

    Sari Guimaji, Akram Khalifa & Raouf Fathallah

  3. Caveo Automotive Tunisia, Z.I. Borj Cedria BP 912, Rue Nilson Mandella -1164 - Hammam Chott, Ben Arous, Tunisia

    Sari Guimaji & Akram Khalifa

Authors
  1. Sari Guimaji
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  2. Akram Khalifa
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  3. Raouf Fathallah
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Corresponding author

Correspondence to Sari Guimaji .

Editor information

Editors and Affiliations

  1. Laboratory of Electromechanical Systems, National School of Engineers of Sfax, Sfax, Tunisia

    Mohamed Kharrat

  2. Computational Fluid Dynamics and Transfer Phenomena, National School of Engineers of Sfax, Sfax, Tunisia

    Mounir Baccar

  3. Laboratory of Electromechanical Systems, National School of Engineers of Sfax, Sfax, Tunisia

    Fakhreddine Dammak

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Guimaji, S., Khalifa, A., Fathallah, R. (2021). Effect of Shot Peening Parameters on Parabolic Leaf Spring’s Residual Stress. In: Kharrat, M., Baccar, M., Dammak, F. (eds) Advances in Mechanical Engineering, Materials and Mechanics. ICAMEM 2019. Lecture Notes in Mechanical Engineering. Springer, Cham. https://doi.org/10.1007/978-3-030-52071-7_11

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  • DOI: https://doi.org/10.1007/978-3-030-52071-7_11

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-030-52070-0

  • Online ISBN: 978-3-030-52071-7

  • eBook Packages: EngineeringEngineering (R0)

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