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Constitutive Models For Rubber Vii

Author: Stephen Jerrams
Publisher: CRC Press
ISBN: 0415683890
Size: 43.11 MB
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All aspects of our lives, industry, health, travel and leisure, are utterly reliant on rubber materials, yet typically this notion rarely occurs to us. Increasingly, greater demands are made on elastomeric compounds and we seek elevated performance in terms of improved physical and chemical properties. In particular, we have come to expect rubber components (tyres, vibration isolators, seals etc) to exhibit exceptional wear and fatigue resistance, often at elevated temperatures. Unsurprisingly then, the emphasis in characterising isochoric materials has shifted significantly away from understanding and modelling hyperelastic material behaviour, to a position where we can confi dently design and manufacture rubber components having the functionality and resilience to meet the dynamic loading and harsh environmental conditions that are prevalent today. In consequence, state-of-the-art technology in terms of dynamic response and fatigue resistance are strongly represented here along with numerous insights into advanced elastomers used in novel applications. This development is not at the expense of research devoted to current test procedures and the constitutive equations and algorithms that underpin finite element methods. As a result, Constitutive Models for Rubber VII is not only essential reading for undergraduates, postgraduates, academics and researchers working in the discipline, but also for all those designers and engineers involved in the improvement of machines and devices by introducing new and novel elastomers possessing elevated properties.

Constitutive Models For Rubber Viii

Author: Nere Gil-Negrete
Publisher: CRC Press
ISBN: 1138000728
Size: 19.10 MB
Format: PDF, ePub
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Due to their unique properties, rubber materials are found in multiple engineering applications such as tires, engine mounts, shock absorbers, flexible joints, seals, etc. Nevertheless, the complex nature of the behavior of such material makes it difficult to accurately model and predict the performance of these units. The challenge to correctly reproduce the observed characteristics of rubber elements necessitates detailed experimental investigations, development of accurate constitutive models, validation of techniques to identify material parameters and efficient numerical methods. Aspects regarding fatigue and damage in elastomers are not to be left aside, as they influence the durability of the products. State-of-the-art technology in terms of constitutive modeling, numerical implementation, damage and fatigue resistance are strongly represented in these Proceedings, along with insights into advanced elastomers to be used in novel applications. Topics included in this volume are: Ageing, Friction and abrasion, Adhesion, Swelling, Continuum mechanical models and numerical implementation, Hyperelasticity, Micro-mechanical approaches, Fracture and fatigue, Mullins effect, Strain induced crystallization, Thermal effects, Reinforcement and vulcanization, Design and applications, Smart elastomers. Constitutive Models for Rubber VIII is of interest not only for undergraduates, postgraduates, academics and researchers in the discipline, but also for all those design and development engineers in the industry.

Constitutive Models For Rubber Ix

Author: Bohdana Marvalova
Publisher: CRC Press
ISBN: 1315658151
Size: 42.36 MB
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The unique properties of rubber make it ideal for use in a wide variety of engineering applications such as tyres, engine mounts, shock absorbers, flexible joints and seals. Developing diverse elastomeric elements for various structures involves numerical simulations of their performance, which are based on reliable constitutive models of the material being simulated. Numerical modelling should be underpinned by a detailed experimental investigation into the thermomechanical behaviour of rubber components in operating conditions. The 9th volume of Constitutive Models for Rubber, containing the papers presented at the the Ninth European Conference on Constitutive Models for Rubber (ECCMR 2015, Prague, Czech Republic, 1-4 September 2015), offers engineers, scientists and postgraduate students an overview of recent theoretical and experimental research on the behaviour, properties and modelling of rubber. The contributions have been grouped under to the following headings: Ageing, Friction & Abrasion, Adhesion, Swelling, Continuum Mechanical Models & Numerical Implementation, Hyperelasticity, Micromechanical Approaches, Fracture, Fatigue & Lifetime Prediction, Mullins Effect, Strain Induced Crystallization, Thermal Effects, Reinforcement & Vulcanization, Design & Applications, Magnetosensitive, Ionic & Electroactive Elastomers and Foams. The papers presented are, however, not limited to these topics but reflect the complexity of diverse and exciting problems in the modelling of the behaviour of rubber.

Quasi Static Viscoelasticity Loading Measurements Of An Aircraft Tire

Author: Angela J. Mason
Publisher:
ISBN:
Size: 48.61 MB
Format: PDF
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Stair-step loading, cyclic loading, and long-term relaxation tests were performed on an aircraft tire to observe the quasi-static viscoelastic response of the tire. The data indicate that the tire continues to respond viscoelastically even after it has been softened by deformation. Load relaxation data from the stair-step test at the 15000-lb loading was fit to a monotonically decreasing Prony series.