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Lightweight design of vehicle components based on strengthening effects of low‐amplitude loads below fatigue limit

Lightweight design of vehicle components based on strengthening effects of low‐amplitude loads... A new lightweight design method for vehicle components is proposed based on the strengthening effects of low‐amplitude loads below the fatigue limit. The new method is technically based on the strength feature of strengthening and damaging of vehicle components under loading spectrum, while combining dynamic strength equations with the residual strength of vehicle components. It ensures the maximum exploitation of the material's strength potential and fully realises the lightweight design of vehicle components at a low cost. As an application of the new lightweight design method, a light truck's front axle was redesigned. The lightweight potential of the front axle was first estimated by fatigue and static strength experiments of four‐point bending. Then the lightweight design was realised by finite element analysis and experimental results. The weight of this front axle was reduced by 5.5 kg. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Fatigue & Fracture of Engineering Materials and Structures Wiley

Lightweight design of vehicle components based on strengthening effects of low‐amplitude loads below fatigue limit

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References (19)

Publisher
Wiley
Copyright
"Copyright © 2012 Wiley Subscription Services, Inc., A Wiley Company"
ISSN
8756-758X
eISSN
1460-2695
DOI
10.1111/j.1460-2695.2011.01615.x
Publisher site
See Article on Publisher Site

Abstract

A new lightweight design method for vehicle components is proposed based on the strengthening effects of low‐amplitude loads below the fatigue limit. The new method is technically based on the strength feature of strengthening and damaging of vehicle components under loading spectrum, while combining dynamic strength equations with the residual strength of vehicle components. It ensures the maximum exploitation of the material's strength potential and fully realises the lightweight design of vehicle components at a low cost. As an application of the new lightweight design method, a light truck's front axle was redesigned. The lightweight potential of the front axle was first estimated by fatigue and static strength experiments of four‐point bending. Then the lightweight design was realised by finite element analysis and experimental results. The weight of this front axle was reduced by 5.5 kg.

Journal

Fatigue & Fracture of Engineering Materials and StructuresWiley

Published: Mar 1, 2012

Keywords: ; ; ;

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