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Information Journal Paper

Title

The Effect of Orthotropic Graded Inter-Layer on the Contact Stress Field

Pages

  121-130

Abstract

 In this study, the sliding contact problem between a rigid cylindrical punch and a hard coating/ graded interlayer/ substrate system is considered. It is assumed that the hard coating and the substrate are both homogeneous-isotropic media. On the other hand, the interlayer exhibits the material orthotropy and even variable mechanical properties through the thickness by an exponential variation. The commercial finite element software ABAQUS is utilized to simulate the mentioned contact problem. The numerical solution is provided under the plane strain condition. A comprehensive sensitivity analysis is performed to explore the effect of the material orthotropy and the non-homogeneity parameters on the interior stress field as well as the interface stress distribution. The results indicate that the orthotropic graded interlayer can alter the stress field by appropriate adjustment of the material parameters. For an interlayer with a higher stiffness parallel to the contact surface with respect to the perpendicular direction, the maximum Von-Mises stress within the substrate can decreased a factor of 7%. Moreover, the bonding strength over the interfaces can be enhanced by increasing the thickness of the graded interlayer.

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  • Cite

    APA: Copy

    Alinia, Y., & ASADPOR, M.. (2021). The Effect of Orthotropic Graded Inter-Layer on the Contact Stress Field. JOURNAL OF MECHANICAL ENGINEERING, 50(4 (93) ), 121-130. SID. https://sid.ir/paper/269805/en

    Vancouver: Copy

    Alinia Y., ASADPOR M.. The Effect of Orthotropic Graded Inter-Layer on the Contact Stress Field. JOURNAL OF MECHANICAL ENGINEERING[Internet]. 2021;50(4 (93) ):121-130. Available from: https://sid.ir/paper/269805/en

    IEEE: Copy

    Y. Alinia, and M. ASADPOR, “The Effect of Orthotropic Graded Inter-Layer on the Contact Stress Field,” JOURNAL OF MECHANICAL ENGINEERING, vol. 50, no. 4 (93) , pp. 121–130, 2021, [Online]. Available: https://sid.ir/paper/269805/en

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