Fretting wear damage-I: numerical study of composite steel sheets reinforced with TiB2

• Autorzy: Ayari F. , Bayraktar E.
• Języki publikacji: PL

Abstrakty

EN

Purpose: of this paper is based on the damage analysis by fretting wearing occurred on the composite steel sheets reinforced with TiB2 ceramic particles. There is a real lack to find a reliable data and detail research in literature that makes the purpose of this manuscript. Design/methodology/approach: Fretting is a surface degradation process in which removal of material is induced by small amplitude oscillatory movement between contacting components, such as flexible coupling joint structures etc. The main parameters affecting fretting wear are reported to be normal load, slip amplitude, frequency of the oscillatory movement, contact geometry, surface roughness and material properties. In this study, a finite element-based method is presented for simulating the contact of a rigid cylinder on flat fretting wear for the composite steel sheets reinforced with TiB2 ceramic particles. Findings: The general purpose commercial code ABAQUS was employed; this model can be used to facilitate generalization of the present approach to more complex applications. In this study a particular mesh technique was used to optimize the computation time, especially when dynamic analysis is used. In fact, two-dimensional, four-node, plane strain (linear) elements are employed throughout. The mesh (element size) in the contact area is very fine to capture the complicated variation of the surface and subsurface stresses and relative slip. The contact surface is constituted with a rigid hard steel cylinder material and a flat plate of composite steel sheets reinforced with TiB2 ceramic particles. Practical implications: This manuscript concerns a typical contact with the cylindrical plan geometry as it models the major problems and also stress distribution due to the contact was well defined. Our assembly is then, composed with a cylindrical contact with a plan substrate. An elastic - plastic analysis of fretting stress using a finite element ABAQUS is enhanced. The cylindrical pad is made of a rigid material and a flat plate the composite steel sheets reinforced with TiB2 ceramic particles. A bilinear elastic - plastic isotropic hardening model with a von Mises yield surface is employed to characterize the material behaviour of these composite steel sheets reinforced with TiB2 ceramic particles.This manuscript give a real and practical usage as a friendship notice concerning this subject. Originality/value: is very well shown that this model is firstly verified through comparison with an analytical elastic solution. Various parameters, such as friction coefficient, the normal force applied on the top of the pad, tangential force applied to the left side of the pad, and bulk tension applied on the right edge of the substrate are adopted to study the influences of these parameters on fretting stresses to understand the implication and importance of elastic-plastic analysis in fretting fatigue experiments. Keywords: Fretting wear; Slip; Contact; FEM; Mesh refinement; Composite steel sheets; Reinforcement of TIB2

Słowa kluczowe

EN

fretting wear; slip; FEM; mesh refinement; composite steel sheets; reinforcement of TIB2

• Wydawca: International OCSCO World Press
• Czasopismo: Archives of Materials Science and Engineering
• Rocznik: 2011
• Tom: Vol. 51, nr 1
• Strony: 48--54
• Opis fizyczny: Bibliogr. 23 poz.

Twórcy

autor

Ayari F.

autor

Bayraktar E.

• Laboratory of Mechanics, College of Science and Technology, 1008 Montfleury, Tunisia,

Bibliografia

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