What question did this study set out to answer?

To assess how one year of seawater immersion impacts the stiffness, damping, and rheological degradation of magnetorheological elastomers.

October 13, 2024Journal of Asian Architecture and Building EngineeringOpen Access

Identification of stiffness and damping characteristics of magnetorheological elastomers due to immersion in seawater

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Authors

BLBhre Wangsa LengganaSebelas Maret University UUUbaidillah UbaidillahSebelas Maret University WWWibowo WibowoSebelas Maret University

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Implication

Experimental testing reveals severe loss of stiffness and damping in magnetorheological elastomers after seawater immersion, indicating anisotropic structures offer superior marine durability.

Key Points

To assess how one year of seawater immersion impacts the stiffness, damping, and rheological degradation of magnetorheological elastomers.
Submerged silicone-matrix magnetorheological elastomer (MRE) samples—including pure silicone matrix and 70% carbonyl iron particle (CIP) formulations in isotropic and anisotropic alignments—in seawater for one year.
Evaluated material erosion, structural integrity, and degradation mechanisms using scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FTIR), thermogravimetric analysis (TGA), and rheological testing.
Seawater immersion caused visible physical damage, surface erosion, and overall deterioration of rheological performance across all tested specimens.
Isotropic MRE suffered severe degradation, showing a 97% decline in stiffness and a 96% reduction in damping properties.
Anisotropic MRE displayed substantially greater marine resilience, with stiffness decreasing by 11% and damping characteristics declining by 14%.

Cite This Study

Lenggana et al. (2024) studied this question.

synapsesocial.com/papers/6a816672b5fee548463c73d1 https://doi.org/10.1080/13467581.2024.2407153

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Implication

Experimental testing reveals severe loss of stiffness and damping in magnetorheological elastomers after seawater immersion, indicating anisotropic structures offer superior marine durability.

Identification of stiffness and damping characteristics of magnetorheological elastomers due to immersion in seawater

Discussion

Member takes

Implication

Key Points

Cite This Study

Identification of stiffness and damping characteristics of magnetorheological elastomers due to immersion in seawater

Discussion

Member takes

Implication

Key Points

Cite This Study

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