Numerical Modeling of Functionally Graded Coatings

Maryam Heidari; Maria Kashtalyan

doi:10.4028/www.scientific.net/AMR.829.327

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 829Numerical Modeling of Functionally Graded Coatings

Numerical Modeling of Functionally Graded Coatings

Abstract:

Coatings play an important role in a variety of engineering applications protecting metallic or ceramic substrates against oxidation, heat penetration, wear and corrosion. One of the contributing factors to structural or functional failure of coatings is a mismatch of material properties between the coating and substrate at the coating/substrate interface. The concept of Functionally Graded Material (FGM) is actively explored in coating design for the purpose of eliminating this mismatch and improving coating performance and integrity. This paper presents analysis of the mechanical behavior of functionally graded coatings using commercial finite elements software ABAQUS in which user implemented graded finite elements have been employed. The model is used to carry out a comparative study of three-dimensional stress and displacement fields in the coated plates with homogeneous and functionally graded coatings.

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Periodical:

Advanced Materials Research (Volume 829)

Pages:

327-331

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.829.327

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Online since:

November 2013

Authors:

Maryam Heidari*, Maria Kashtalyan

Keywords:

Finite Element Modeling (FEM), Functionally Graded Coatings, Numerical Modeling

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