Journal ArticleDOI
Impact of corrosion process of carbonyl iron particles on magnetorheological behavior of their suspensions
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In this article, an influence of carbonyl iron (CI) particles' corrosion on magnetorheological performance of their silicone-oil suspensions was investigated, which showed lower values of the yield stress, which was significantly manifested at higher magnetic field intensities due to lower saturation magnetization of the particles.About:
This article is published in Journal of Industrial and Engineering Chemistry.The article was published on 2018-10-25. It has received 40 citations till now. The article focuses on the topics: Carbonyl iron & Magnetorheological fluid.read more
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Magnetorheology: a review.
Jose R. Morillas,Juan de Vicente +1 more
TL;DR: This review paper revisits the most recent progress in the field of magnetic Soft Matter emphasizing the rheological properties of these fascinating materials and new formulations and flow kinematics are discussed.
Journal ArticleDOI
Iron nanoparticles-based magnetorheological fluids: A balance between MR effect and sedimentation stability
TL;DR: In this article, a DC arc discharge method was used to prepare iron nanoparticles and their morphology, magnetic properties, crystal structures and surfaces chemical composition were examined, which confirmed their nano size, high saturation magnetization and high purity.
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Material Characterization of a Magnetorheological Fluid Subjected to Long-Term Operation in Damper.
Dewi Utami,Ubaidillah,Saiful Amri Mazlan,Fitrian Imaduddin,Nur Anis Nordin,Irfan Bahiuddin,Siti Aishah Abdul Aziz,Norzilawati Mohamad,Seung-Bok Choi +8 more
TL;DR: It was demonstrated that the damping force increased as the number of operating cycles increases, both when the damper is turn on (on-state) and off (off-state).It was observed that the particle size and shape changed due to the long operation, showing irregular particles.
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Magnetorheological fluids based on core-shell carbonyl iron particles modified by various organosilanes: synthesis, stability and performance
TL;DR: The magnetization of the modified core-shell particles was not negatively affected by the organosilanes layer present on the particles resulting in comparable MR performance of the systems based on pure CI particles and their modified analogues as was proved by the fitting of the corresponding flow curves by the Robertson-Stiff model.
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Tailoring Performance, Damping, and Surface Properties of Magnetorheological Elastomers via Particle-Grafting Technology.
TL;DR: The results show that the magnetorheological performance and damping capability were remarkably influenced by different interaction between polydimethylsiloxane chains as a matrix and PHEMATMS grafts due to their different length.
References
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Analysis of XPS spectra of Fe2+ and Fe3+ ions in oxide materials
Toru Yamashita,Peter C. Hayes +1 more
TL;DR: In this paper, the peak positions and peak shape parameters of Fe 3p for Fe2+ and Fe3+ were derived from the XPS spectra of the standard samples of 2FeO·SiO2 and Fe2O3, respectively.
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Synthesis, properties, and applications of magnetic iron oxide nanoparticles
Amyn S. Teja,Pei Yoong Koh +1 more
TL;DR: In this article, the properties, applications, and syntheses of three magnetic iron oxides (hematite, magnetite, and maghemite) are discussed and methods of preparation that allow control over the size, morphology, surface treatment and magnetic properties of their nanoparticles.
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In situ XPS analysis of various iron oxide films grown by NO2-assisted molecular-beam epitaxy
TL;DR: In this article, the XPS core-and valence-level spectra of clean and well-characterized iron oxide films were analyzed and the satellite structures of each oxide were simulated using a cluster-model calculation.
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Magnetorheological fluids: a review
TL;DR: Magnetorheological (MR) materials are a kind of smart materials whose mechanical properties can be altered in a controlled fashion by an external magnetic field as discussed by the authors, and they traditionally include fluids, elastomers and foams.
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Rheology of magnetorheological fluids: models and measurements
TL;DR: In this paper, numerical and analytical models of magnetorheological fluid phenomena that account explicitly for the effects of magnetic nonlinearity and saturation are described, and the field-dependent stress required to shear the chains was then obtained using the Maxwell stress tensor.