[PDF] Top 20 Multiaxial deformation and strain-induced crystallization around a fatigue crack in natural rubber
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Multiaxial deformation and strain-induced crystallization around a fatigue crack in natural rubber
... Strain-induced crystallization Synchrotron radiation Digital image correlation The study of fatigue crack propagation in elastomers is an essential prerequisite to improve the ... Voir le document complet
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Prediction of fatigue life improvement in natural rubber using configurational stress
... the crack nucleation approach, where fatigue life is defined as the number of cycles required to create a crack of a given ...(1867) and was applied to rubber by Cadwell et ... Voir le document complet
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Cyclic loadings and crystallization of natural rubber: An explanation of fatigue crack propagation reinforcement under a positive loading ratio
... tension, strain induced crystallization has been shown to be responsible for the upturn in modulus observed on the load–displacement curve for carbon-black filled natural ...the ... Voir le document complet
11
Thermo-micromechanics of strain-induced crystallization
... ABSTRACT: Strain-induced crystallization in natural rubber has long been modeled as an isothermal pro- ...2013a,b) and a theoretical result (Khi ˆem and ... Voir le document complet
7
Fatigue crack initiation around inclusions for a carbon black filled natural rubber: an analysis based on micro-tomography
... the fatigue cracks are initi- ated either at the parting line, which can be con- sidered as a geometrical defect acting as a strain concentrator, or around ...inclusions. In ... Voir le document complet
7
Characteristics of strain-induced crystallization in natural rubber during fatigue testing: in situ wide-angle x-ray diffraction measurements using synchrotron radiation
... RESULTS AND DISCUSSION As mentioned above, fatigue tests are performed by prescribing constant minimum and maximum displacements of the ...Mullins and viscous effects lead to an increase of ... Voir le document complet
14
Effect of thermal cycles on the deformation state at the crack tip of crystallizable natural rubber
... elastomer, crack growth, temperature effects, stress-induced crystallization, digital image correlation 1 Introduction For sixty years, crack propagation in rubbers has remained an area ... Voir le document complet
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Fatigue damage in carbon black filled natural rubber under uni- and multiaxial loading conditions
... to rubber fatigue is due to Cadwell et al. [1] and investigated crack initiation in carbon black filled natural ...their fatigue life increases, for strictly positive ... Voir le document complet
14
Volume Variation in Stretched Natural Rubber: Competition between Cavitation and Stress-Induced Crystallization
... cavitation and stress-induced crystallization during the deformation of cis-1,4 polyisoprene ...During deformation, this kind of material exhibits volume variation induced by ... Voir le document complet
18
Fatigue resistance of natural rubber in seawater with comparison to air
... is a useful descriptor of mechanical loading and its value considerably affects the fatigue ...conditions, fatigue resistance of NR improves (nota- bly in contrast to ...of ... Voir le document complet
11
A post mortem analysis of the strain-induced crystallization effects on fatigue of elastomers
... The crack first initiates around a defect that concentrates ...zone around a defect [5]. The wrenchings exhibit a similar morphology as those observed in the case of plane ... Voir le document complet
7
In situ synchrotron X-ray diffraction study of strain induced crystallisation of natural rubber during fatigue tests
... during fatigue tests for different levels of deformation is given in ...the strain, the higher the crystallinity. During the three fatigue tests with the lowest minimum and ... Voir le document complet
7
Mechanisms of deformation in crystallizable natural rubber. Part 2: Quantitative calorimetric analysis
... involved in the deformation of natural rubber are numerous and are still the object of keen scientific debate, among them viscosity, strain-induced crystallization ... Voir le document complet
31
Strain-induced crystallization of carbon black-filled natural rubber during fatigue measured by in situ synchrotron X-ray diffraction
... C and k min < k M : Tests No. 2 and 3 In this section, only tests ...2 and 3 are considered because the diffraction diagrams for test ...to a very small degree of ...crystallites ... Voir le document complet
8
Mechanisms of deformation in crystallizable natural rubber. Part 1: Thermal characterization
... of deformation in rubber, especially stress-induced crystalli- zation, using infrared ...that natural rubber mainly exhibits entropic behaviour: the material produces ...to ... Voir le document complet
11
Characterization of heat sources due to deformation in unfilled natural rubber
... of deformation processes in natural ...to deformation processes are deduced from the temperature variations by using the heat diffusion ...are a more relevant quantity than temperature ... Voir le document complet
8
Dominating factor of strain-induced crystallization in natural rubber
... chains in promoting crystal nucleation is theoretically derived for strain-induced crystallization of natural ...results and then to conclude that nuclei formed in ... Voir le document complet
8
Thermal effects accompanying the deformation of natural rubber
... with deformation processes in unfilled natural ...that natural rubber mainly exhibits entro- pic behaviour: the material produces ...changes in the microstructure, especially ... Voir le document complet
7
Description of fatigue damage in carbon black filled natural rubber
... R A C T The present paper describes macroscopic fatigue damage in carbon black-filled natu- ral rubber (CB-NR) under uniaxial loading ...tension and non-relaxing uniaxial tension ... Voir le document complet
9
The mechanism of fatigue crack growth in rubbers under severe loading: the effect of stress-induced crystallization
... the deformation of the flat, smooth zone remains close to zero between the two deformation ...states. In fact, the maximum deformation level is obtained at point A in the zone ... Voir le document complet
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