By Bohdana Marvalova, Iva Petrikova
The distinctive homes of rubber make it excellent to be used in a wide selection of engineering functions resembling tyres, engine mounts, surprise absorbers, versatile joints and seals. constructing varied elastomeric parts for varied buildings consists of numerical simulations in their functionality, that are in line with trustworthy constitutive types of the cloth being simulated. Numerical modelling may be underpinned by means of an in depth experimental research into the thermomechanical behaviour of rubber parts in working conditions.
The ninth quantity of Constitutive types for Rubber, containing the papers awarded on the the 9th eu convention on Constitutive types for Rubber (ECCMR 2015, Prague, Czech Republic, 1-4 September 2015), deals engineers, scientists and postgraduate scholars an outline of modern theoretical and experimental learn at the behaviour, houses and modelling of rubber. The contributions were grouped lower than to the next headings: getting old, Friction & Abrasion, Adhesion, Swelling, Continuum Mechanical types & Numerical Implementation, Hyperelasticity, Micromechanical methods, Fracture, Fatigue & Lifetime Prediction, Mullins influence, pressure prompted Crystallization, Thermal results, Reinforcement & Vulcanization, layout & purposes, Magnetosensitive, Ionic & Electroactive Elastomers and Foams. The papers offered are, notwithstanding, now not restricted to those subject matters yet replicate the complexity of numerous and fascinating difficulties within the modelling of the behaviour of rubber.
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The original houses of rubber make it excellent to be used in a large choice of engineering functions corresponding to tyres, engine mounts, surprise absorbers, versatile joints and seals. constructing diversified elastomeric components for numerous constructions consists of numerical simulations in their functionality, that are in line with trustworthy constitutive types of the cloth being simulated.
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Additional info for Constitutive Models for Rubber IX
1 INTRODUCTION During the service life, elastomeric components can be exposed to a great variety of influencing factors: mechanical loading, irradiation, temperature, chemical substances, oil and so on. Caused by these influences, the material properties can change. This is usually known and outlined as “ageing” (Ehrenstein, 2007). Ageing can lastly lead to the final failure of the component (Azura, 2008). Examples of ageingcaused damages are shown in Figure 1. Ageing of polymers is of great economic and ecologic importance.
G. simulating Yarn Pullout Tests (YPT). The considered YPT contains Aramid (Twaron 1000) and Hydrogenated Nitrile Butadiene Rubber (HNBR), Therban C 3446, as yarn and matrix material, respectively. The reference temperatures for the experimental and numerical investigations are 25°C, 100°C, 150°C and 200°C. The comparison of the measured and simulated pullout force-displacement relation is depicted in Figure 5. Since the reaction forces measured are directly related to the tractions transmitted in the interface layer, the interface parameters are determined from the experimental results of the YPT.
2000b), “Correlation of chemical and mechanical property changes during oxidative degradation of neoprene”, Polymer Degradation and Stability, Vol. 68 No. 2, pp. 171–184. T. L. (1998), “Oxidation profiles of thermally aged nitrile rubber”, Polymer Degradation and Stability, Vol. 60 No. 2–3, pp. 493–504. C. (2013), “Review of polymer oxidation and its relationship with materials performance and lifetime prediction”, Polymer Degradation and Stability, Vol. 98 No. 12, pp. 2419–2429. L. T. (1992), “Oxygen diffusion effects in thermally aged elastomers”, Polymer Degradation and Stability, Vol.