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INTENSITY ANALYSIS AND LAYER DESIGN FOR AUTOMOBILE WHEEL MADE OF COMPLEX MATERIAL

Bian Wen

Abstract

In order to provide reference for the design of automobile wheel made of complex material,the performance parameters of Carbon fiber-epoxy(T300/5208) are obtained through calculation and the spreading-layer structure of the wheel are designed according to the complex material mechanics theory.The finite element model of this kind of wheel is established according to the bending fatigue experimental data of automobile wheel.The maximum stress and displacement are gained by finite element simulation analysis.The Aluminum-alloy wheel with the same structure is also analyzed by using this method.The analysis result is compared with complex material wheel.When the working stress levels are approximately equal,the weight of the complex material wheel is 40.74% less than that of the Aluminum-alloy wheel.In above condition,the strength of the complex material wheel is higher than that of the Aluminum-alloy wheel because the ultimate stress of the complex material is larger.

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Key concepts: Finite element method, Materials science, Structural engineering, Stress (linguistics), Alloy, Displacement (psychology), Layer (electronics), Epoxy