Deformation and strength properties of silicone magnetoactive elastomers

Valiev, H. H.; Astakhov, K N; Minaev, Andrey; Степанов, Г. В.

doi:10.1088/1757-899x/971/3/032052

Cited by 2 publications

(1 citation statement)

References 15 publications

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“…A promising area MAE application is their use in active and electromagnetic vibration dampers, damping devices, shock absorbers; for this purpose the MAE resonance characteristics were investigated on vibration test-beds [9]. Soft polymer specimen static, elastic strength characteristics under compression were obtained: a silicone magnetoelastic elastomer with different test termination criteria from the specimen height and a stiffer specimen with a maximum allowable test termination criterion [10]. It was demonstrated the external magnetic field effect on the MAE deformation-strength properties.…”

Section: Introductionmentioning

confidence: 99%

Silicone elastomers deformation peculiarities under compression

Minaev

Valiev

Andronic³

et al. 2022

J. Phys.: Conf. Ser.

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This paper deals with the polymer composite material unique properties on self-restoration after ultimate compressive loads application. Material is based on polydimethylsiloxane elastomeric matrix with carbonyl iron particles isotropic fillers in concentration 75% wt. This composite mechanical characteristic ranges were studied in comparison with the characteristics of conventional polymer based on silicone elastomer without the fillers. The investigated material, the so-called magneto-elastic, demonstrated ability to self-restore its shape after extreme loads removal is a promising direction for the revealed unique property use and will probably be demanded for application in number fields of science and technology. The tests were carried out on an electromechanical testing machine. These materials investigating various compression modes results summarized as: the strain diagrams changes at different load ranges were plotted, the characteristics changes in their deformation properties were analyzed, the compression deformation linear and nonlinear characteristics limits were determined. The proposed compression method in various modes made it possible to determine the load changes ranges causing both irreversible changes in the conventional polymer based on silicone elastomer and its further destruction and the unique capability for self-recovery in a composite material, the so-called magneto-elastic, after similar types ultimate loads application to it.

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Section: Introductionmentioning

confidence: 99%

Silicone elastomers deformation peculiarities under compression

Minaev

Valiev

Andronic³

et al. 2022

J. Phys.: Conf. Ser.

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Rheological properties magnetically elastic material samples under extreme compression modes

2023

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The magnetoelastic material samples in compression tests are investigated. The studied materials rheological properties are carried out on an automated testing machine. Compressive moduli changes diagrams depending on deformation values up to limiting extreme values are plotted. Transition ranges from linear to nonlinear, longitudinal compression moduli, depending on the specimen compression degree, were fixed. Repeated tests on specimens showed a decrease in the compression moduli by several times. In revealing rheological properties the investigated materials shape memory effect is demonstrated.

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Deformation and strength properties of silicone magnetoactive elastomers

Cited by 2 publications

References 15 publications

Silicone elastomers deformation peculiarities under compression

Silicone elastomers deformation peculiarities under compression

Rheological properties magnetically elastic material samples under extreme compression modes

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