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Journal of Failure Analysis and Prevention

, Volume 15, Issue 2, pp 272–281 | Cite as

Mechanism of Foreign Object Damage and Investigating Effect of Particle Parameters on Erosion Rate of a Rough Surface Using Experimental and Numerical Methods

  • J. Kadkhodapour
  • A. Pourkamali Anaraki
  • B. Taherkhani
Technical Article---Peer-Reviewed

Abstract

In many industrial applications, we deal with the impact of micron-scale particles onto a target surface. So, a large number of studies have been conducted to perceive damage mechanism and identify effective parameters of this phenomenon at micron scale. In all of these studies, target surface has been considered as ideally smooth. However, it is very obvious, the ideally smooth surface is not imaginable at this micron level and a few works have been performed on rough surface. In this paper, single impact of micron-scale particle onto a small area of rough surface was simulated using ABAQUS/Explicit Version 6-11. In our experimental study, damage mechanism of rough surface due to multiple particle impact on a large area of a real turbine blade surface was studied and the created zones were characterized. Also, permanent impression was expressed for the damage mechanism. The experimental results were implicated from the simulated model in order to validate the present numerical study. Effects of the particle parameters including particle shape, impact location, and impact angle on erosion rate were separately investigated. For each of them, a simple power relation in terms of erosion rate was reported using finite element model calculation.

Keywords

Erosion Finite element modeling Impact damage Erosion rate Deformation mechanism 

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Copyright information

© ASM International 2015

Authors and Affiliations

  • J. Kadkhodapour
    • 1
  • A. Pourkamali Anaraki
    • 1
  • B. Taherkhani
    • 1
  1. 1.Department of Mechanical EngineeringShahid Rajaee Teacher Training UniversityTehranIran

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