Self-Healing Magnetorheological Elastomer for Vibration Damping

Shuib, Raa Khimi; Thajudin, Nuur Laila Najwa; Zainol, Mohd Hafiz

doi:10.4028/www.scientific.net/msf.982.3

Cited by 4 publications

(4 citation statements)

References 11 publications

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“…It was due to the increase in stiffness and hardness of the rubber blends. The peroxidic and ionic bonds in the rubber matrix inevitably produce shorter bridges between elastomeric chains in the network, thus resulting in a compound that are more rigid and stiff [16].…”

Section: Resultsmentioning

confidence: 99%

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Effect of zinc dimethacrylate concentrations on properties of emulsion styrene butadiene rubber/butadiene rubber blends

Siaw

Baharulrazi

Man

et al. 2023

Plastics, Rubber and Composites

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The influence of zinc dimethacrylate (ZDMA) on the properties of emulsion styrene butadiene rubber/butadiene rubber (ESBR/BR) blends was studied. Results revealed that torque difference, hardness, strengths, and total/ionic crosslink densities increased; whereas the elongation at break and covalent crosslink density reduced with increasing ZDMA. As ZDMA increased, the ionic crosslink density of the blends gradually increased. Optimum tensile and tear strength of the compound were observed at 12.5 phr of ZDMA. At 5 and 7.5 phr of ZDMA, the blends showed significant good healing efficiency, supported by the characterization tests such as scanning electron microscopy (SEM) and manual video measuring machine (VMM). Fourier-transform infrared spectroscopy (FTIR) analysis showed the presence of ZDMA in the blends. The dynamic ionic bond of ZDMA contributed to the self-healing properties in the blends. The zinc ions pair constituted the ion multiplet and ionic clusters, forming an ionic supramolecular network.

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Section: Resultsmentioning

confidence: 99%

“…In order to establish close contact and pressure, the two pieces were joined and compressed together in the sample cutting holder as shown in Figure 1. They were then placed in three different temperatures and duration to achieve self-healing: 24 °C, 24 h [4, 7, 8, 15, 16]. 120 °C, 5 h [15].…”

Section: Methodsmentioning

confidence: 99%

Effect of zinc dimethacrylate concentrations on properties of emulsion styrene butadiene rubber/butadiene rubber blends

Siaw

Baharulrazi

Man

et al. 2023

Plastics, Rubber and Composites

View full text Add to dashboard Cite

show abstract

“…The general category used by many researchers, intrinsic and extrinsic mechanisms, is still applicable and broadly applied. [34][35][36] Even if there are different classifications of healing mechanisms highlighted by the material scientists, the purpose is still the same, to make the elastomer recover itself physically, chemically, thermally, and functionality when the damage is present in the material's body. It is worth mentioning that capsule-based extrinsic mechanism is not widely used in elastomers because the outer shell of capsules is poorly adhered to the rubber matrix and serves as a spot for crack initiation.…”

Section: Approaches Of Self-healing Mechanism In Elastomermentioning

confidence: 99%

A review of the recent development in self-healing rubbers and their quantification methods

Mohd Sani,

Majid,

Rehman

et al. 2023

Progress in Rubber, Plastics and Recycling Technology

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The emerging self-healing concept in rubber materials appears to be a good option for reducing rubber waste since it can enhance the longevity of the product's structure in conjunction with standard development goals to ensure sustainable consumption and efficient use of resources. Self-healing elastomers are fabricated to heal cracks and damage both at the micro and macroscopic levels to restrict failure by incorporating healing agents extrinsically or intrinsically. The major successful techniques to fabricate self-healing rubber were reviewed. The review also focuses on testing and analysis methods to understand the healing phenomena and quantification methods to measure the healing performance. The review also includes an overview of the self-healing elastomers for tyre applications.

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“…The dynamic characteristics of this boring tool have been studied to understand the effectiveness of MR damper to the system (Sam Paul et al, 2014a). Recently, the study on MRE and its ability to control vibrations is getting highly appreciable which may take vibration suppression to a next level in the future (Aung et al, 2020;Brancati et al, 2020;Fu et al, 2020;Kavlicoglu et al, 2020;Leng et al, 2020;Li et al, 2019;Praveen et al, 2020;Shuib et al, 2020).…”

Section: Application In Boring Processmentioning

confidence: 99%

Application of smart fluid to control vibration in metal cutting: a review

Sarath¹,

Paul

2021

WJE

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Purpose A new cutting tool is always well-defined and sharp at the onset of the metal cutting process and gradually losses these properties as the machining process advances. Similarly, at the beginning of the machining process, amplitude of tool vibrations is considerably low and it increases gradually and peaks at the end of the service period of the cutting tool while machining. It is significant to provide a corresponding real-time varying damping to control this chatter, which directly influences accuracy and quality of productivity. This paper aims to review the literature related to the application of smart fluid to control vibration in metal cutting and also focused on the challenges involved in the implementation of active control system during machining process. Design/methodology/approach Smart dampers, which are used as semi-active and active dampers in metal cutting, were reviewed and the research studies carried out in the field of the magnetorheological (MR) damper were concentrated. In smart materials, MR fluids possess some disadvantages because of their sedimentation of iron particles, leakage and slow response time. To overcome these drawbacks, new MR materials such as MR foam, MR elastomers, MR gels and MR plastomers have been recommended and suggested. This review intents to throw light into available literature which exclusively deals with controlling chatter in metal cutting with the help of MR damping methods. Findings Using an MR damper popularly known for its semi-active damping characteristics is very adaptable and flexible in controlling chatter by providing damping to real-time amplitudes of tool vibration. In the past, many researchers have attempted to implement MR damper in metal cutting to control vibration and were successful. Various methods with the help of MR fluid are illustrated. Research limitations/implications A new cutting tool is always well-defined and sharp at the onset of metal cutting process and gradually losses these properties as the machining process advances. Similarly, at the beginning of the machining process, amplitude of tool vibrations is considerably low and it increases gradually and peaks at the end of service period of cutting tool while machining. Application of MR damper along with the working methodology in metal cutting is presented, challenges met are analyzed and a scope for development is reviewed. Practical implications This study provides corresponding real-time varying damping to control tool vibration which directly influences accuracy and quality of productivity. Using an MR damper popularly known for its semi-active damping characteristics is very adaptable and flexible in controlling chatter by providing damping to real-time amplitudes of tool vibration. Social implications This study attempts to implement smart damper in metal cutting to control vibrations. Originality/value It is significant to provide corresponding real-time varying damping to control tool vibration which directly influences accuracy and quality of productivity.

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Self-Healing Magnetorheological Elastomer for Vibration Damping

Cited by 4 publications

References 11 publications

Effect of zinc dimethacrylate concentrations on properties of emulsion styrene butadiene rubber/butadiene rubber blends

Effect of zinc dimethacrylate concentrations on properties of emulsion styrene butadiene rubber/butadiene rubber blends

A review of the recent development in self-healing rubbers and their quantification methods

Application of smart fluid to control vibration in metal cutting: a review

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