Abstract
A global-local finite element modeling technique is employed in this paper to predict the separation in steel cord-rubber composite materials of radial truck tires. The local model uses a finite element analysis in conjunction with a glob-al-local technique in ABAQUS. A 3-dimensional finite element local model calculates the maximum cyclic shear strain of an interface between steel cord and rubber materials at the carcass ply shoulder region. It is found that the maximum cyclic shear strain is reliable as a result of the analysis of carcass ply separation in radial truck tires. Using the analysis of the local model, a study of the cyclic shear strain is performed in the shoulder region and used to deter-mine the carcass ply separation. The effect of the change of carcass ply design on the separation in steel cord-rubber composite materials of radial truck tires is discussed.
Highlights
In recent years, composite materials have been widely used in several applications due to their superior mechanical properties including high strength, high stiffness, and low density
It is found that the maximum cyclic shear strain is reliable as a result of the analysis of carcass ply separation in radial truck tires
Using the global-local finite element analysis proposed in this paper, we can confirm that the prediction of carcass ply separation in radial truck tires is valid
Summary
Composite materials have been widely used in several applications due to their superior mechanical properties including high strength, high stiffness, and low density. Han et al [3] and Jeong et al [4] performed a failure analysis of truck tires based on fracture mechanics, using a global-local finite element model. Zhong [9] formulated to study fatigue crack growth and durability in tires using a three-dimensional fracture mechanics model. The main purpose of this paper is to predict the separation in cord-rubber composite materials of radial truck tires based on static and steady-state rolling assumption. Using the analysis of the local model, a study of the shear strain is performed in the shoulder region and used to determine the separation in carcass ply shoulder region of radial truck tires. The effect of the design change on the separation in steel cord-rubber composite materials of radial truck tires is discussed
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