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In order to study the influence of curing agent molecular structure on the tribological and corrosion behaviors of epoxy resin (EP) coatings, EP coatings were cured by three kinds of curing agents with different molecular structures including diethylenetriamine (DETA), isophorone diamine (IPDA) and m-phenylenediamine (m-PDA). The curing degree of EP coatings was identified by flourier transform infrared...
In order to improve not only the magnetorheological (MR) properties of soft magnetic carbonyl iron (CI) but also its dispersion stability, we fabricated a dense network of multi-walled carbon nanotubes (MWCNTs) on the surface of CI particles by using 4-aminobenzoic acid as a grafting agent through a two-step method: ultrasonication and solvent casting, based on the self-assembly of MWCNTs which have...
Silica encapsulated core–shell structured carbonyl iron (CI) magnetic particles (CI@SiO 2 ) were successfully prepared via a facile sol–gel method based on the silane grafted CI particles in two steps, and then confirmed by scanning electron microscopy and X-ray energy dispersive spectra. Anti-corrosion property of the as-fabricated CI@SiO 2 particles was examined under conditions...
Silica nanoparticles treated with thiourea were adopted as the solid dispersed phase of an eletrorheological (ER) fluid that underwent orders of magnitude changes in its rheological properties upon the application of an electric field. To fabricate a transparent ER fluid, medium oils with three different refractive indices (RI) were prepared by mixing halocarbon oil and silicone oil, in which the...
As a new electroresponsive electrorheological (ER) polymer/inorganic nanocomposite material, polyaniline (PANI)/nano-silica nanocomposite was synthesized via an in situ chemical oxidative polymerization method. Morphology and thermal property of the synthesized nanocomposite were examined by scanning electron microscope (SEM), transmission electron microscopy (TEM) and thermogravimetric analysis (TGA)...
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