Mechanical properties, Payne effect, and Mullins effect of thermoplastic vulcanizates based on high-impact polystyrene and styrene–butadiene rubber compatibilized by styrene–butadiene–styrene block copolymer

Wang, Zhaobo; Li, Shuai; Wei, Dongya; Zhao, Jian

doi:10.1177/0892705713503672

Cited by 18 publications

(14 citation statements)

References 32 publications

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“…However, at much larger deformations of the MRE, the stress-induced MRE has broken down the filler network due to unstable particle bonding, which results in a decreasing shear storage modulus which can be deduced for the anisotropic MRE with 15 wt% SO at 600 mT, as compared to anisotropic MRE without SO [40]. This observation agrees with previous studies [41]. As shown in Figure 6c,d the loss factor of the sample without SO increases gradually with the strain increase and the increment is obvious for 0 wt% content of SO compared to 15 wt%, especially at the 600 mT data point for both isotropic and anisotropic MRE.…”

Section: Resultssupporting

confidence: 90%

Enhancement of Particle Alignment Using Silicone Oil Plasticizer and Its Effects on the Field-Dependent Properties of Magnetorheological Elastomers

Khairi

Fatah

Mazlan

et al. 2019

IJMS

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The existing mold concept of fabricating magnetorheological elastomer (MRE) tends to encounter several flux issues due to magnetic flux losses inside the chamber. Therefore, this paper presents a new approach for enhancing particle alignment through MRE fabrication as a means to provide better rheological properties. A closed-loop mold, which is essentially a fully guided magnetic field inside the chamber, was designed in order to strengthen the magnetic flux during the curing process with the help of silicone oil (SO) plasticizers. The oil serves the purpose of softening the matrix. Scanning electron microscopy (SEM) was used to observe the surface morphology of the fabricated MRE samples. The field-dependent dynamic properties of the MREs were measured several ways using a rheometer, namely, strain sweep, frequency sweep, and magnetic field sweep. The analysis implied that the effectiveness of the MRE was associated with the use of the SO, and the closed-loop mold helped enhance the absolute modulus up to 0.8 MPa. The relative magnetorheological (MR) effects exhibited high values up to 646%. The high modulus properties offered by the MRE with SO are believed to be potentially useful in industry applications, particularly as vibration absorbers, which require a high range of stiffness.

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Section: Resultssupporting

confidence: 90%

Enhancement of Particle Alignment Using Silicone Oil Plasticizer and Its Effects on the Field-Dependent Properties of Magnetorheological Elastomers

Khairi

Fatah

Mazlan

et al. 2019

IJMS

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“…[AQ: 13] Figure 4(a) and (b) shows the curves for the anisotropic specimens without the applied field and with the field applied during the compression test, respectively, while Figure 5 shows the curves for the three-point bending specimens, isotropic and anisotropic, with no magnetic field applied. The Payne effect (Cle´ment et al, 2005) and the Mullin effect (Wang et al, 2015), which are quite typical for PDMS matrix with fillers, were not taken into account in the model, since the deformations are not large enough to trigger the Mullin effect and the tests are quasi-static, thus the change in the storage modulus typical of the Payne effect is limited and therefore negligible.…”

Section: Resultsmentioning

confidence: 99%

Magneto-mechanical characterization of magnetorheological elastomers

Bellelli

Spaggiari

2019

Journal of Intelligent Material Systems and Structures

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This work analyses the properties and the magneto-mechanical characteristics of magnetorheological elastomers, a class of smart materials not yet broadly investigated. First, set of several samples of this material was manufactured, each one characterized by a different percentage of ferromagnetic material inside the viscoelastic matrix. The specimens were manufactured in order to create isotropic and anisotropic configurations, respectively, with randomly dispersed ferromagnetic particles or with an aligned distribution, obtained through and external magnetic field. Then, the mechanical behaviour of each sample was analysed by conducting a compression test, both with and without an external magnetic field. Moreover, a three-point bending test was also performed on the same specimens. Stiffness, deformation at maximum stress and specific energy dissipated were calculated based on the experimental data. The results were analysed considering the mechanical responses, and an analysis of variance was carried out in order to assess the statistical influence of each variable. The experimental results highlighted a strong correlation between the percentage of ferromagnetic material in each sample and its mechanical behaviour. The anisotropicity of the material, aligned in columnar structures, also affects the stiffness measured in the compression test, while the external magnetic field’s main contribution is to reduce the samples’ maximum deformation. Using analysis of variance results as guidelines, we built a simple phenomenological model which produces quite reliable predictions regarding the mechanical response of the magnetorheological elastomers under compressive stress.

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“…Similar to the Payne effect under small deformations is the Mullins effect that is observed under large deformations. This effect remains a major challenge in order to provide good mechanical modeling of the complex behavior of industrial rubber materials [ 228 ]. The Mullins effect is closely related to the structural changes during the tensile cycles.…”

Section: Payne and Mullin Effects In Carbon Nano Fillers Incorporamentioning

confidence: 99%

Nanocarbon Reinforced Rubber Nanocomposites: Detailed Insights about Mechanical, Dynamical Mechanical Properties, Payne, and Mullin Effects

Srivastava

Mishra

2018

Nanomaterials

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The reinforcing ability of the fillers results in significant improvements in properties of polymer matrix at extremely low filler loadings as compared to conventional fillers. In view of this, the present review article describes the different methods used in preparation of different rubber nanocomposites reinforced with nanodimensional individual carbonaceous fillers, such as graphene, expanded graphite, single walled carbon nanotubes, multiwalled carbon nanotubes and graphite oxide, graphene oxide, and hybrid fillers consisting combination of individual fillers. This is followed by review of mechanical properties (tensile strength, elongation at break, Young modulus, and fracture toughness) and dynamic mechanical properties (glass transition temperature, crystallization temperature, melting point) of these rubber nanocomposites. Finally, Payne and Mullin effects have also been reviewed in rubber filled with different carbon based nanofillers.

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Mechanical properties, Payne effect, and Mullins effect of thermoplastic vulcanizates based on high-impact polystyrene and styrene–butadiene rubber compatibilized by styrene–butadiene–styrene block copolymer

Cited by 18 publications

References 32 publications

Enhancement of Particle Alignment Using Silicone Oil Plasticizer and Its Effects on the Field-Dependent Properties of Magnetorheological Elastomers

Enhancement of Particle Alignment Using Silicone Oil Plasticizer and Its Effects on the Field-Dependent Properties of Magnetorheological Elastomers

Magneto-mechanical characterization of magnetorheological elastomers

Nanocarbon Reinforced Rubber Nanocomposites: Detailed Insights about Mechanical, Dynamical Mechanical Properties, Payne, and Mullin Effects

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