Performance Analysis of Functionally Graded Coatings in Contact with Cylindrical Rollers | Zendy

Reza Jahedi | Zendy; Saeed Adibnazari | Zendy; G.H. Farrahi | Zendy

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Performance Analysis of Functionally Graded Coatings in Contact with Cylindrical Rollers

Author(s) -

Reza Jahedi,

Saeed Adibnazari,

G.H. Farrahi

Publication year - 2014

Publication title -

advances in mechanical engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.318

H-Index - 40

eISSN - 1687-8140

pISSN - 1687-8132

DOI - 10.1155/2014/456848

Subject(s) - materials science , finite element method , coating , dissipation , stiffness , material properties , contact analysis , composite material , contact mechanics , functionally graded material , contact area , work (physics) , structural engineering , mechanical engineering , engineering , physics , thermodynamics

This work presents finite element analysis (FEA) and results for rolling contact of a cylindrical roller on an elastic substrate coated by functionally graded material (FGM). The rolling process and the graded coating material property and layers arrangement are modeled using finite element codes which lead to a new methodology. This novel methodology provides a trend in determining surface contact stresses, deformations, contact zones, and energy dissipation through the contact area. Effects of stiffness ratio, friction, and exponentially variation of material property on the contact stresses and deformations are studied. Some of the results are verified with analytical solutions. The study results may be beneficial in graded coated cylindrical components analysis against rolling contact failure and wear

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