Materials Literature
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Y. Zhang, L. Yi et al. present on p. 2421 a minireview of recent advances in multistimuli-responsive supramolecular gels (MRSGs). In particular, a new strategy for preparing MRSGs through a hierarchical self-assembly pathway is introduced.
In this study, silvergrass (SV) reinforced high density polyethylene (HDPE) composites were prepared. The effects of slivergrass fibers (SV) content on the mechanical properties, crystalline properties of wood plastic composites (WPCs) before and after water absorption were investigated. It was found that compared wit…
In this paper, the influences of different conditions on heat-transfer stability of porous fibrous composition were analyzed by the one-dimensional unsteady heat transfer model. It was resulted that the surface condition of composition was key parameter for heat performance during different thermal process. Great humi…
In order to improve the accuracy of rolling force parameters,the elastic deformation and pressure between rolls of tandem cold rolling are calculated using divided element method in this paper. Bland-Ford model is used to calculate the rolling force, and the lengths of flattening contact arcs of each element are calcu…
This paper examined the effect of addition of four polyolefins and mica on colorimetry of ethylene propylene diene rubber (EPDM) composites. The results illustrate that the addition of mica can turn EPDM control from lighter, redder, and yellower to darker, greener and bluer, respectively. The total color change (ΔE)…
A novel non-halogen intumescent flame retardant agent (IFR) was prepared by using phosphoric acid, pentaerythritol and aniline as raw materials. The structure and thermal stability of IFR were investigated by means of Fourier transform infrared spectroscopy (FTIR) and thermogravimetric analysis (TGA). The flame retard…
KBe2BO3F2 (KBBF) crystal is a sole important and practical ultraviolet nonlinear optical material. It can realize the output of vacuum ultraviolet laser below 200nm with the method of phase-matching. However, it is difficult to grow a practical crystal size with the general growth methods such as fluxed melts, hydroth…
New poly(silole-pyridine) was designed and synthesized. Polymer was obtained by Yamamoto coupling reaction. The structure of obtained polymer was characterized by the spectroscopic methods such as FT-IR and 1H-NMR. The resulting polymer was soluble in common organic solvents such as toluene, tetrahydrofurane, chlorofo…
In the capricious marine environment, the offshore platform structure is exposed to the multiaxial fatigue loading in which damage would be formed in different directions and planes. Evolution of the structural damage physical mechanism caused by marine environment load is more complicated. Based on the analysis of a…
The penetration characteristics of tungsten fiber reinforced metallic glass matrix composite with different tungsten fiber spacing were simulated by LS-DYNA programme. It is indicated that J-C constitutive model for describing deformation behaviour of tungsten fiber can accurately reflect the penetration process of th…
The austenite steel after rolling was radiated by the alternating magnetism, and the effects that alternating magnetic on the austenite transition was studied. The result shows that the alternating magnetism promotes the austenitic grain growth of low carbon steel. If the magnetic field intensity is increased, it coul…
Methanol-water as solvent, transition metal Y-type zeolite as catalyst, L-lysine was synthesized laminin. Explores the methylation process factors, and the structure of the compound by IR, NMR and elemental analysis were characterized.
In this study, the monodispersed PS/PtOEP microspheres were successfully synthesized by dispersion polymerization, in which anhydrous ethanol and ultrapure water as dispersing agent, AIBN as an initiator, styrene as monomer, PtOEP as the fluorescent substance. Polystyrene microspheres with the size of the initiator, d…
Squitter pulse argon-arc welding technology due to its unique way of energy output, has the quick repairing speed, low heat input and high bonding strength on the repairing process. The results of balance shaft parts after repairing by squitter pulse argon-arc welding technology showed that there was no significant mi…
In order to clarify the austenite reverse transformation of a 0.2C-3Mn-1.7Si steel during intercritical region with an ultra-slow heating rate of 0.05°C/s, DIL (dilatometer), SEM, XRD and EPMA were carried out. The experimental results indicated that the dilatometric cures exhibited the shape of two “valleys” and the…
Carbon nanotube (CNT) is a new type of nanoscale materials, which has excellent adsorption and mechanical properties. In this paper, carbon nanotubes were added in the regenerated silk fibroin solution to get CNTs/silk fibroin composite fiber, which had more excellent mechanical property than the regenerated fibroin f…
Corrosion behaviour of AZ91DSm1.0 with different preparation methods(vacuum melting and common melting) is investigated. X-ray diffraction(XRD), optical microscopy(OM), scanning electron microscopy(SEM), energy dispersive spectroscopy(EDS), corrosion weightless experiment and the potentiodynamic polarization curve are…
The NiCoCrAlY+WC12Co coating with high density was prepared on the surface of the magnesium alloy by cold spraying. Effects of the WC12Co content on the wear behavior of coating were studied. The results showed that, under the dry friction condition, the weightlessness of wear of the coating with 20%WC12Co was smalles…
In this paper,the soybean protein / poly (ethylene terephthalate)PET composite fabric was obtained and its wearability was mainly studied. It is found that the moisture regain, water absorption, air permeability and moisture permeability of soybean protein PET composite fabric were improved greatly. In addition, the w…
Currently, more than thirty nuclear power plants (NPP) are designed in the world. In connection with the developing crisis in the global economy, during implementation of a specific NPP construction project, all other things being equal, the economic component appears. Major capital expenditures fall on the reactor ve…