Materials Literature
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The Waterproof and moisture permeable fabrics which can greatly improve the fabric wearing characteristics were the fabric with waterproof,moisture permeable,cold proof and windproof performances,so all those features were distinctive and they had broad prospect of development in the market.The development of waterpro…
Fuzzy orthogonal method was used to comprehensively evaluate the technological parameters of cocoon cooking with polyoxyethylene castor oil auxiliary. The polyoxyethylene castor oil dropping speed, permeability section temperature in low temperature, water temperature, cooking time were used as evaluation factors and…
On account of its low density and high performance as well as high module,carbon fiber reinforced plastic materials have been used broadly in the aerospace field,the properties of which are dependent on the interface between carbon fiber and resin matrix.For this reason,to discuss the interface performance is extremel…
Exchange coupling interaction between hard and soft magnetic phases has an important influence on the performance of the nanocomposite permanent materials.Several common methods of characterizing interphase exchange coupling interaction are presented,and accordingly some typical measurement results are given in this p…
TiN monolayer coating and TiC/Ti(CxN1-x)/TiN multilayer coating were separately prepared on the surface of 316L stainless steel by high temperature chemical vapor deposition. A scanning electron microscope,an X-ray diffractometer,a microhardness meter,a scrach tester,and a rotary friction and wear tester were separate…
To increase the processing and utilization rate of recoverable regenerated fiber of cloth corner,this paper conducts related design and technical transformation on opening and carding equipment with the principle of fiber carding in cotton spinning process;processes raw materials by using carding unit after ingredient…
Efficient luminescent materials are key requisites for modern lighting and display devices. Typically, they rely on optical down-conversion of incident high-energy radiation to photons of lower energy. Since the energy of a vacuum ultraviolet (VUV) photon is more than twice that of a visible photon, it is theoreticall…
A kind of fiber reinforced foamed cement is prepared by physical foaming process, the paper describes the effects of different water cement ratio, and the additives of foam volume and polypropylene fiber on properties of foamed cement insulating material, and determines the best proportioning of fiber reinforced foame…
PE membrane was prepared by extrusion blow molding method and heat triggered color changing film was prepared by tape casting method. The two kinds of membranes were composited. The mechanical property and the optical performance of the composite film were studied. The results showed that the mechanical properties and…
The types and characteristics of the equipment in the veneer process of laminate flooring and the basis on which secondary overlaying equipment is selected are introduced.
The shear thickening fluid(STF) of different SiO2 mass concentration was prepared with nanometer SiO2 and Polyethylene glycol(PEG200),and rheological property was characterized.Neat Kevlar fabrics and STF-Kevlar composite fabrics impregnated with STF were studied by a drop-hammer tester.The results showed that STF of…
A typle of wideband anti-reflection coatings were designed on QF1 substrate on the visible light spectrum (from 0. 4 μm to 0. 8 μm) . The coatings were fabricated by electron beam physical vapor deposition (EBPVD) . Two types of coating materials titanium oxide (TiO 2) and silicon oxide (SiO 2) which was treated as hi…
Objective: To compare the corrosiveness resistance property of NdFeB magnet with different coatings in simulated oral environment.Methods: 3 groups of magnets(45 in each group)——bare magnets,magnets with titanium-TiNride(TiN) coating and magnets with diamond like carbon(DLC) coating were respectively immersed in the a…
Hot compression testing of 7050 aluminum alloy was performed on a Gleeble 1500 simulator under deformation temperatures of 573-723 K and strain rates of 0.01-10 s-1 with the deformation degree of 80%.The true stress-strain data collected resulted in the performance of calculations for strain rate sensitivity(m-value),…
An corrosion inhibitor was prepared from polyaspartic acid(PASP),sodium gluconate,zinc sulfate and hydroxyphosphonoacetic acid(HPAA).The performance of corrosion inhibition was evaluated by rotary hanging-piece corrosion tests and steady polarization.The result showed that the corrosion inhibitor was an anodic inhibit…
Under the irradiation of sunlight blue and red colours of nano-silver sols were prepared by controlling the intensity and the irradiation time using silver nitrate and trisodium citrate as the reactants and polyvinylpyrrolidone as the capping agent.The ultraviolet-visible absorption(UV-Vis) spectra were monitored and…
The dependence of spinnability of polyimide on spinning condition such as viscosity,storage state and the shape of the spinneret were investigated in this paper.The spinning dope should be storaged above ambient temperature and isolated from air,a spinning dope viscosity of 4 500 P.s,and a diameter0.4,with aspect rati…
Anti-UV textile developed for decades with the evolution mainly in chemical fiber area.Related chemical material and processing technique progressed fast with breakthroughs in this development field.The development status,standards and classification of anti-UV chemical textile product were introduced.The properties a…
Control principles for positioning spindles of work rolls of a cold rolling mill are introduced.The positioning control system with continuous adjusting speed is designed.Applicative effects of the system show that its positioning deviation is within 3 degrees and thus the system can meet the accuracy requirement for…
Aluminum thin film is frequently used as the layer sandwiched between two Mo layers in the metallic bridge and acts as the function of connecting ITO pattern in the capacitive touch screen.The reflectivity of Aluminum is high for the visible light.As a result,reflectivity of the capacitive touch screen with the metall…