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Sonochemical synthesis and characterization of magnetic separable Fe3O4/Ag composites and its catalytic properties
Sonochemical Fe3O4 Ag composites Recyclable catalysts RhB
2010/8/15
A Fe3O4/Ag composite, with high efficiency in the degradation of rhodamine B was synthesized through a simple sonochemical method. These composites were obtained from sonication of Ag(NH3)2+ and (3-am...
Anisotropic polyurethane magnetorheological elastomer prepared through in situ polycondensation under a magnetic field
Polytetramethylene ether glycol polyurethane magnetorheological elastomers iron particles composite materials
2010/8/6
Highly filled polytetramethylene ether glycol (PTMEG)-based polyurethane (PU) magnetorheological elastomers (MREs) with anisotropic structure and good mechanical properties were prepared. The difficul...
An Active-damping-compensated Magnetorheological Elastomer Adaptive Tuned Vibration Absorber
adaptive tuned vibration absorber magnetorheological elastomer active damping compensated velocity feedback vibration attenuation performance
2010/7/21
This article presents the development of an active-damping-compensated magnetorheological elastomer (MRE) adaptive tuned vibration absorber (ATVA). The principle and the vibration attenuation performa...
Investigation of the durability of anisotropic magnetorheological elastomers based on mixed rubber
Magnetorheological elastomers cyclic loading the high temperature condition aging mre material mixing matrix and natural rubber
2010/7/6
Magnetorheological elastomer (MREs)-based devices often operate at cyclic loading and high temperature conditions, which may cause fatigue and aging problems of MRE materials. This paper investigates ...
Study on the properties of magnetorheological gel based on polyurethane
magnetorheological gel polyurethane viscoelastic property static yield stress dynamic yield stress
2010/6/29
Magnetorheological gels (MRGs) known as a new kind of magnetorheological material are composite gels containing magnetic particles suspended in polymer gels. In this study, a category of MR polymer ge...
通过熔融共混法制备了碳纤维(CF)和氧化锆颗粒(ZrO2)共混增强聚醚醚酮(PEEK)复合材料, 并对其水中的摩擦学性能进行了研究。实验结果表明, 该混杂增强复合材料在水中具有优异的摩擦学性能, 其摩擦系数随载荷的增加无明显变化, 而磨损率则随着载荷的增加而逐渐降低。该材料在水中的磨损机制主要表现为轻微的磨粒磨损和疲劳磨损, 碳纤维是复合材料耐磨性得到增强的主要原因, 其作为复合材料摩擦面表层的主...
Synthesis, characterization and swelling properties of guar gum-g-poly(sodium acrylate-co-styrene)/muscovite superabsorbent composites
Synthesis characterization swelling properties guar gum-g-poly(sodium acrylate-co-styrene)/muscovite superabsorbent composites
2010/4/30
A series of novel guar gum-g-poly(sodium acrylate-co-styrene)/muscovite (GG-g-P(NaA-co-St)/MVT) superabsorbent composites were prepared by free-radical grafting copolymerization of natural guar gum (G...
Structural analysis of anodic porous alumina used for resistive random access memory
Structural analysis anodic porous alumina resistive random access memory
2010/4/30
Anodic porous alumina with duplex layers exhibits a voltage-induced switching effect and is a promising candidate for resistive random access memory. The nanostructural analysis of porous alumina is i...
Spatially resolved positron annihilation spectroscopy on friction stir weld induced defects
Spatially resolved positron annihilation spectroscopy friction stir weld induced defects
2010/4/30
A friction stir welded (FSW) Al alloy sample was investigated by Doppler broadening spectroscopy (DBS) of the positron annihilation line. The spatially resolved defect distribution showed that the mat...
短纤维增强发泡橡胶复合材料高低温压缩性能
短纤维增强发泡橡胶 复合材料 短纤维体积分数
2010/4/7
为开发新型耐高温和耐低温材料提供理论依据，对同一发泡率、不同纤维体积分数和同一纤维体积分数、不同发泡率的锦纶短纤维增强发泡橡胶复合材料(SFRFRC)在213～398 K温度下的压缩性能进行测试。结果表明：在 213 K时，SFRFRC的压缩性能发生明显变化，已经由高弹态转变为玻璃态，而玻璃化转变温度在213～233 K之间。纤维体积分数和发泡率均对SFRFRC的耐低温性能有很大影响。短纤维的添加...
Shear Thickening Fluids Based on Additives with Different Concentrations and Molecular Chain Lengths
Shear thickening °uid Additive Polyethylene glycol Concentration Molec- ular chain length
2010/4/6
Shear thickening °uids (STFs) based on additives with di®erent concentrations and molec- ular chain lengths were investigated. STF samples were prepared with silica and additive dispersed in poly...
Effect of maleic anhydride on the damping property of magnetorheological elastomers
Maleic anhydride magnetorheological elastomers compatibilizer modified interface damping performance rubber electronic microscope
2010/3/31
In this study, maleic anhydride (MA) was selected as the compatibilizer to modify the interfaces of magnetorheological elastomers (MREs) for improving the damping property. Several samples of MREs wit...
Preparation of novel bioactive nano-calcium phosphate–hydrogel composites
Preparation novel bioactive nano-calcium phosphate–hydrogel composites
2010/2/28
Nano-sized hydroxyapatite (nHA) and carbonate-substituted hydroxyapatite (nCHA) particles were incorporated into a poly-2-hydroxyethylmethacrylate/polycaprolactone (PHEMA/PCL) hydrogel at a filler con...
Fabrication of a thermoresponsive cell culture dish: a key technology for cell sheet tissue engineering
thermoresponsive cell culture dish a key technology cell sheet tissue engineering
2010/2/28
This article reviews the properties and characterization of an intelligent thermoresponsive surface, which is a key technology for cell sheet-based tissue engineering. Intelligent thermoresponsive sur...
Multifunctional nanoassemblies of block copolymers for future cancer therapy
Multifunctional nanoassemblies block copolymers future cancer therapy
2010/2/28
Nanoassemblies from amphiphilic block copolymers are promising nanomedicine platforms for cancer diagnosis and therapy due to their relatively small size, high loading capacity of drugs, controlled dr...