High strain rate response of rubber membranes
WebA high-speed video camera was used to monitor the motion and to determine the evolution of strain and particle velocity in rubber strips. Analysis of the response through the theory … WebMar 28, 2024 · Non-standardized specimen geometries were tested on a standard uniaxial frame and an intermediate-to-high speed dynamic testing frame, equipped with high speed cameras for 3D digital image correlation (DIC). Specimen cross-sections, according to each fiber orientation tested, were consistent across strain rates to ensure results were …
High strain rate response of rubber membranes
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WebFeb 1, 2010 · On the response of rubbers at high strain rates. Full Record Related Research Abstract In this report, we examine the propagation of tensile waves of finite deformation in rubbers through experiments and analysis. Attention is focused on the propagation of one-dimensional dispersive and shock waves in strips of latex and nitrile rubber. WebMay 1, 2013 · High strain rate tensile tests of steel cord–rubber composite with different cord orientations have been performed on a servo-hydraulic testing machine. Two types of steel cord arrangement reinforcing to the same rubber material have been studied. Material properties and damage behaviors were identified.
WebJun 29, 2024 · Foams are widely used in protective applications requiring high energy absorption under impact, and evaluating impact properties of foams is vital. Therefore, a novel test method based on a shock tube was developed to investigate the impact properties of closed-cell polyethylene (PE) foams at strain rates over 6000 s−1, and the … WebFeb 28, 2024 · The development of lightweight, impact-resistant, and high energy-consuming materials is of great significance for improving the defense capabilities of military equipment. As a new type of damping material, metal rubber has demonstrated great potential for application in the field of impact protection. In this paper, the dynamic …
WebFeb 1, 2011 · Analysis of the response through the theory of finite waves indicated a need for an appropriate constitutive model for rubber; by quantitative matching between the … WebApr 29, 2009 · Young’s modulus of a normal human TM is reported as 45.2–58.9 MPa in the radial direction, and 34.1–56.8 MPa in the circumferential direction at strain rates 300 – …
WebMar 10, 2006 · From quasi-static, uniaxial compression tests, a Rivlin hyperelastic formulation was found to describe the low-rate response well. High-rate, uniaxial …
WebMay 27, 2024 · It well-known that the superior performance of natural rubber (NR) compared to its synthetic counterpart mainly derives from nonisoprene components and naturally occurring network, which varies during the progress of the maturation and thereby results in technically graded rubber with different properties. However, identifying the roles of these … dutch and cherylWebApr 29, 2009 · Young’s modulus of a normal human TM is reported as 45.2–58.9 MPa in the radial direction, and 34.1–56.8 MPa in the circumferential direction at strain rates 300 – 2000 s − 1 . The results indicate that Young’s modulus has a strong dependence on strain rate at these high strain rates. Issue Section: Technical Briefs Keywords: dvd software free studioWebJul 1, 2006 · Abstract Methods to obtain the mechanical response of rubber at high rates of strain are reviewed. These techniques include the extrapolation of low strain, low strain rate data, the limitations of which are discussed, extrapolations to elevated hydrostatic pressure, and direct determinations using split Hopkinson bar and drop weight testers, as well as … dvd software freeware downloadWebThe strain rate sensitivity reflects the timescale required for these polymer chain re-orientations to take place. At low strain rates the polymer chains have sufficient time to re-orientate themselves and the storage modulus of the rubber is low. At high strain rates, the deformation of the polymer chains is restricted to bending and stretching dvd software free windows 8WebJul 1, 2006 · These techniques include the extrapolation of low strain, low strain rate data, the limitations of which are discussed, extrapolations to elevated hydrostatic pressure, and direct determinations using split Hopkinson bar and drop weight testers, as well as miscellaneous methods. dvd software free windows 10WebMar 29, 2024 · The carbon fibre-reinforced samples are also highly dependent on strain rate, with a 60% increase in tensile strength observed at a faster testing speed of 300 mm/min (9 min) compared to 5 mm/min (0.15 min ). Nylon samples show a decrease of approximately 10% in tensile strength at the same increased speed. dutch and chinaWebThe strain rate is a concept of materials science and continuum mechanics that plays an essential role in the physics of fluids and deformable solids. In an isotropic Newtonian fluid, in particular, the viscous stress is a linear function of the rate of strain, defined by two coefficients, one relating to the expansion rate (the bulk viscosity ... dvd software freeware