Dynamic Deformation Behavior of Rubber under High Strain Rate Compressive Loading

Lee, Ouk Sub; Kim, Myun Soo; Kim, Kyoung Joon; Hwang, Si Won; Cho, Kyu Sang

doi:10.1142/s0217979203019083

Cited by 10 publications

(8 citation statements)

References 6 publications

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“…Through the range of strain rates tested, the silicones exhibit a significant strain rate dependency whereby at higher strain rates the silicones experience a more pronounced strain hardening effect; this was more apparent in the stiffer contracted muscle simulant. This behaviour is consistent with results from literature (Gray III et al, 1997;Lee et al, 2003;Kakavas, 1996;Jones, 1960). Gray III et al (1997) conducted uniaxial compressive tests on silicone rubbers and noted that the Young's modulus increased by a factor of 8 when strain rate was increased from 10 -3 to 3×10 3 s -1 , whilst little change was observed between strain rates 10 -3 -10 -1 s -1 .…”

Section: Silicone Behavioursupporting

confidence: 91%

Development of novel synthetic muscle tissues for sports impact surrogates

Payne

Mitchell

Bibb

et al. 2015

Journal of the Mechanical Behavior of Biomedical Materials

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Impact injuries are commonplace in sport and often lead to performance detriment and debilitation. Personal Protective Equipment (PPE) is prescribed as a mandatory requirement in most sports where these impacts are likely to occur, though the methods of governance and evaluation criteria often do not accurately represent sports specific injury scenarios. One of the key shortcomings of such safety test standards is the human surrogate to which the PPE is affixed; this typically embodies unrepresentative geometries, masses, stiffness and levels of constraint when compared to humans.A key aspect of any human surrogate element is the simulant material used. Most previous sports specific surrogates tend to use off-the-shelf silicone blends to represent all the soft tissue structures within the human limb segment or organ; this approach potentially neglects important human response phenomena caused by the different tissue structures.This study presents an investigation into the use of bespoke additive cure Polydimethysiloxane (PDMS) silicone blends to match the reported mechanical properties of human relaxed and contracted skeletal muscle tissues. The silicone simulants have been tested in uniaxial compression through a range of strain rates and fit with a range of constitutive hyperelastic models (Mooney Rivlin, Ogden and Neo Hookean) and a viscoelastic Prony series.

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Section: Silicone Behavioursupporting

confidence: 91%

Development of novel synthetic muscle tissues for sports impact surrogates

Payne

Mitchell

Bibb

et al. 2015

Journal of the Mechanical Behavior of Biomedical Materials

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“…Bergström and Boyce [23] tested the compressive properties of nitrile and chloroprene rubber and found that the compressive tangent modulus at a true strain of 0.45 increased by approximately 10 % with the strain rate increase from 2 • 10 -4 to 10 -1 s -1 . And Lee et al [24] found, for three unspecified rubber materials, the compressive tangent modulus increased by 400 % with the strain rate increase from 1 to 5 • 10 3 s -1 . The above test data, both ours and the previous, show that the rate effect is not significant at low strain rates (generally below 1 s -1 ), but it becomes very strong when the strain rate ranges from low level to high level (of order 10 3 s -1 ), at least for some rubbers.…”

mentioning

confidence: 93%

Hyperelastic behavior of two rubber materials under quasistatic and dynamic compressive loadings — testing, modeling and application

Yongjian

Chen

et al. 2015

Polimery

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The mechanical properties of two rubber materials, RB-55 rubber and FM-32 foam rubber, were tested under quasistatic and dynamic compressive loadings with a universal testing machine and a nonmetallic split Hopkinson pressure bar (SHPB), respectively. The results show that the hyperelasticity dominates the mechanical characteristics of the both materials. And the strain rate dependencies can be observed over the wide strain rate range from 10-2 s-1 to order 10 3 s-1. But in the rather narrow bands of 10-2-10 0 s-1 and 2 • 10 3-6 • 10 3 s-1 , the strain rate effects are not significant. In order to numerically simulate rod-explosive loading tests where the two rubber materials were used as a combined buffer, the strain rate-independent hyperelastic behaviors at the strain rate of order 10 3 s-1 were characterized by Ogden constitutive models, incompressible for RB-55 rubber and compressible for FM-32 foam rubber, respectively. The numerical prediction of the structural responses agrees very well with the experimental results. This means the testing and modeling are successful.

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“…Zhao Xijin et al [13] investigated the dynamic compressive behaviors of a silicon rubber at high strain rates by applying quartz crystal. Lee O. S. et al [14] analyzed the dynamic deformation of rubber by using the SHPB technique, and found that the relationships between the stresses and the strain rates at the transition point are found to be bilinear. Doman D. A. et al [15] performed the high-rate, uniaxial compression tests using a Polymeric SHPB, and studied the effectiveness of both the modified quasi-linear viscoelastic model and the non-linear hyper-viscoelastic model to describe the low-rate and high-rate behavior of polyurethane rubber.…”

Section: Introductionmentioning

confidence: 99%

A fractional Maxwell approach for the shock response of viscoelastic oscillator

Qi¹,

Sun²,

Li³

et al. 2020

J. vibroeng.

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Viscoelastic damping structures under shock loading with variable amplitude and frequency are always in the multifactorial dynamic state, of which the shock response is obviously different from that under low strain rate. In order to accurately describe the impact mechanical properties of viscoelastic damped materials, a fractional order Maxwell model (FMM) is constructed. To verify the adopted model, the dynamic experiments for different strain rates (1800 s-1 , 2500 s-1 , 3500 s-1 and 4000 s-1) are performed by SHPB system. The experimental stress-strain curves should be divided into three stages: the linear stage, the strain-softening stage and the strain-hardening stage. As increase with the strain rate, the peak strain, the peak stress and the curvature of the curve in strain-softening stage increase, and the hardening effect in the strain-hardening stage tends to stronger, demonstrating a distinct strain rate effect in viscoelastic damped materials. The reason is that as increase of the strain rate, the action time of external loading gets closer to the relaxation time of the molecular chain segment, indicating the apparent strain rate-dependence of molecular slip and friction. The comparisons are made between the models of FMM, fractional Kelvin-Voight, ZWT and Ogden considering the strain rate-dependent. As a fractional-order model, FMM model has the minimum mean of RMSE 0.460 among the four models. The results indicate that FMM model could accurately describe the impact mechanical behavior characteristics of viscoelastic materials in a wider range of strain rate with comprehensive superiority of higher fitting precision, fewer parameters and clear physical meaning.

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Dynamic Deformation Behavior of Rubber under High Strain Rate Compressive Loading

Cited by 10 publications

References 6 publications

Development of novel synthetic muscle tissues for sports impact surrogates

Development of novel synthetic muscle tissues for sports impact surrogates

Hyperelastic behavior of two rubber materials under quasistatic and dynamic compressive loadings — testing, modeling and application

A fractional Maxwell approach for the shock response of viscoelastic oscillator

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