Durability Analysis of 3-Axis Input to Elastomeric Front Lower Control Arm Vertical Ride Bushing

Goossens, Joshua R.; Mars, William V.; Smith, G.D; Heil, Paul; Braddock, Scott; Pilarski, J.

doi:10.4271/2017-01-1857

Cited by 6 publications

(4 citation statements)

References 6 publications

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“…[24][25][26][27][28][29][30] Reinforcement by rubber crystallization occurs, when stress ratio R > 0. 5,6,10,21-23 These investigations of natural rubber's fatigue life have shown that crystallization of natural rubber has a significant impact on its fatigue life.…”

Section: Implementing Taguchi Methods On Air Spring Influential Factmentioning

confidence: 99%

“…Researchers have shown that the critical plane approach gives good predictions of the rubber components fatigue life . These investigations of natural rubber's fatigue life have shown that crystallization of natural rubber has a significant impact on its fatigue life . Reinforcement by rubber crystallization occurs, when stress ratio R > 0.…”

Section: Implementing Taguchi Methods On Air Spring Influential Facto...mentioning

confidence: 99%

“…5,6,10,[21][22][23] These investigations of natural rubber's fatigue life have shown that crystallization of natural rubber has a significant impact on its fatigue life. [24][25][26][27][28][29][30] Reinforcement by rubber crystallization occurs, when stress ratio R > 0. In all load cases of our analysis, R was less than 0 for the maximum amplitude node, and therefore, rubber crystallization had no influence on our investigation.…”

Section: Implementing Taguchi Methods On Air Spring Influential Facto...mentioning

confidence: 99%

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Determining influential factors for an air spring fatigue life

Bešter

Oman

Nagode

2018

Fatigue Fract Eng Mat Struct

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This paper presents an analysis of factors essential to air spring and undercarriage design to determine their influence on air spring fatigue life. Two sets of factors were chosen for the investigation: those relating to the design of the air spring itself (cord angle, diameter difference) and those relating to the design of the undercarriage (lever length, eccentricity, lever eccentricity, inclination). A full factorial experiment, whereby interactions between all the factors are investigated, would demand 729 experiments. Using Taguchi methods, the number of experiments required is dramatically reduced, using only 27 experiments to determine the influence of 6 factors and 3 interactions. Taguchi analysis shows here that factors inherent to air spring design have a much greater influence on fatigue life than those factors inherent to undercarriage design. Interaction between these factors has also revealed that there is no optimal cord angle for all air springs.

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Section: Implementing Taguchi Methods On Air Spring Influential Factmentioning

confidence: 99%

Section: Implementing Taguchi Methods On Air Spring Influential Facto...mentioning

confidence: 99%

Section: Implementing Taguchi Methods On Air Spring Influential Facto...mentioning

confidence: 99%

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Determining influential factors for an air spring fatigue life

Bešter

Oman

Nagode

2018

Fatigue Fract Eng Mat Struct

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“…More recently, a number of relevant developments in several applications have introduced the CED criterion such as tires, [37][38][39] bushings, [40,41] airsprings, [42] etc. The principle goal of this research is providing a generalized numerical predictive model-based on CED-parameter.…”

Section: Introductionmentioning

confidence: 99%

Cracking energy density for rubber materials: Computation and implementation in multiaxial fatigue design

Belkhiria

Hamdi

Fathallah

2020

Polymer Engineering & Sci

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This article proposes a heuristic model to predict the fatigue life of rubber parts. The developed model is mainly based on the Cracking Energy Density (CED), originally developed by Mars, for the study of rubber parts fatigue. The main contribution consists in the integration of the theoretical framework of the critical plane analysis proposed by Mars with Saintier's experimental research carried out in tension and torsion modes. The CED parameter, derived from the Strain Energy Density (SED), can predict the occurrence of the first crack and its possible orientation depending on the type of loading path. In this context, an analytical analysis of this parameter is carried out for typical loading cases. Furthermore, the variation of CED by SED ratio (WC/W), as a function of the probable crack angle θ and the principal stretch λ1 is investigated. A finite element (FE) model is, then, developed to measure the performance and efficiency for some basic criteria used to investigate rubber fatigue life in literature. The pertinence of such criteria is evaluated in terms of a determination coefficient. The CED parameter can be considered as the most effective criterion for describing the multiaxial fatigue life of rubbers.

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Rubber bushing optimization by using a novel chaotic krill herd optimization algorithm

Bilal¹,

Öztürk

2021

Soft Comput

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Durability Analysis of 3-Axis Input to Elastomeric Front Lower Control Arm Vertical Ride Bushing

Cited by 6 publications

References 6 publications

Determining influential factors for an air spring fatigue life

Determining influential factors for an air spring fatigue life

Cracking energy density for rubber materials: Computation and implementation in multiaxial fatigue design

Rubber bushing optimization by using a novel chaotic krill herd optimization algorithm

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