Materials Literature
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The ultra-high frequency(UHF) detection method of partial discharge in GIS has been broadly adopted in power system owing to its high anti-interference property and sensitivity. Antenna is one of the important components in the UHF detection system. In this paper, the fundamental working principle of UHF receiving ant…
Abrasive manufacturing process is widely used in the automotive manufactures (polishing of valves, crankshafts, camshafts, etc.). To understand the abrasive wear mechanisms during abrasive manufacturing process, a multi-asperity abrasive wear model is proposed. The latter combines different deformation modes of the su…
The morphology,size,composition,and number of inclusions in pipeline steel were characterized by scanning electron microscopy and energy dispersive spectroscopy.The characteristics of the inclusions with different Ti / Mg ratios as well as the influence of sulfur content and the number of deoxidation products on the p…
Important theoretical treatments on equilibrium or kinetic stable isotope fractionation calculation have been reviewed.First,for equilibrium isotope effects,the so-called core theory of equilibrium isotope fractionation-the Bigeleisen-Mayer equation(or the Urey model)has been introduced and also its higher-order corre…
Three kinds of modification solutions including a mixture of boric acid/borax(BB),melamine-urea-formaldehyde(MUF)resin and the mixture of MUF/boric acid/borax(MBB),were prepared and used to impregnate poplar wood.Moisture absorption(MA),anti-swelling efficiency(ASE), modulus of elasticity in static bending(MOE), modul…
The results were as follows: the shear strength of glulam in cross direction was larger than that of glulam in parallel direction; the shear strength of samples with cross grain of CFRP gradually decreased after three various concentrations of salt solution;moreover,the glulam with the treatment of salt solution at th…
Selective catalytic reduction(SCR) was the necessary technology for power plant denitrification. SCR catalyst was the core technical section,whose service life is about 3 years. It can be predicted that the deactivated catalyst faced a disposal problem because of the rapid increase in next several years. This article…
The behavior and mechanism of stress corrosion cracking(SCC)of 16 Mn steel and its heataffected zone(HAZ)in alkaline sulfide and Cl-solution medium with different pH value was investigated by U-bent specimen immersing test and electrochemical technology.Results show that the original microstructure,the coarse grain st…
Continuous cooling transformation(CCT)behavior of low carbon steel Q345 R was investigated using a Gleeble-3500thermo-mechanical simulator.A series of thermo-mechanical control process(TMCP)experiments were carried out by a two-roll reversing rolling mill with accelerated cooling system.Stainless steel(316)/low carbon…
To achieve the efficiency and specification of the flat knitting shoe-upper design,based on an in-depth study of flat knitting principles,combined with the human foot features and requirements of the motion function the functionality and decoration of the shoes,the model of a plane for the shoe-upper was established b…
The cementitious behavior and hydration mechanism of steel slag and steel slag-cement complex powders have been investigated by X-ray diffraction,scanning electron microscopy,determination of non-evaporable water content and activity index tests. The results show that the mineral composition of a hardened paste of ste…
For the demand of resisting high temperature of primary explosives used in initiator at sustained high temperature exposure,coke off environment and oil-gas well exploitation,a new primary explosive cadmium azide( CA) had been synthesized and evaluated. Synthesis techniques of CA have been studied by metathesis reacti…
High-speed cutting machining quality and processing efficiency are closely related to the dynamics of a high-speed spindle system, and the rotating speed also has a significant effect on it. The paper firstly determines the impact factors of a high-speed spindle system, including the centrifugal force, gyroscopic mome…
The effects of micro Ti and Ti- Mg on the microstructure and impact properties of welding heat affected zones( HAZ)in 16 Mn steel were studied by welding thermal simulation on a Gleeble- 1500 hot simulator. The composition of inclusions and the Charpy impact fracture morphologies of the test steels were analyzed by sc…
Patent analytics process global technological information available to generate technological intelligence of competitors and develop competitive strategic directions. Through a combination of 'who vs. where vs. when vs. what' of technology growth, firms can identify the whitespaces in their relevant research domain.…
With the slipping of the insertion node for extreme ultraviolet lithography, demands on resist resolution have increased further stressing sensitivity requirements. A variety of resists, both chemically amplified and not, have been developed meeting resolution needs, but falling short on sensitivity and line-width rou…
New Science: The field of bulk heterojunction (BHJ) solar cells was created as a result of the discovery of ultrafast charge transfer. The length scale for the wavefunction describing the probability amplitude for finding a photoexcitation at a particular point in space was estimated using position–momentum uncertaint…
Beryllium is extensively used in various accelerator beam lines and target facilities as material for beam windows, and to a lesser extent, as secondary particle production targets. With increasing beam intensities of future accelerator facilities, it is critical to understand the response of beryllium under extreme c…
The utility of physicochemical surface characterization as a tool for understanding surface structure-property relationships governing fourth period metal transition metal oxide nanoparticulate (TiO 2, Cr 2 O 3, Mn 2 O 3, Fe 2 O 3, NiO, CuO and ZnO) cytotoxicity is shown. An overview of surface structural probes of th…
FeSe0.5Te0.5 single crystals with superconducting critical temperature of 13.5 K are investigated by scanning tunneling microscopy/spectroscopy (STM/STS) measureflents in detail. STM image on the top surface shows an atomically resolved square lattice consisted by white and dark spots with a constant of about 3.73 0.0…