Abstract: Proton exchange membrane (PEM), as a key component of vanadium redox flow battery (VRFB), plays an important role in controlling the performance and cost of VRFB. A series of PVP&PVC composite PEMs were prepared, wherein PVP carried out ion conduction in the membrane due to the protonation of am...
Abstract: The physical properties of chloride molten salt are very important for the preparation efficiency of titanium tetrachloride produced by molten salt chlorination. To investigate the influence of changes in chloride-containing molten salt composition on the physical properties of molten salt systems, ...
Abstract: Vanadium sulfate (VOSO4) electrolyte is the active material and energy carrier of electrochemical reaction in vanadium battery, and its quality directly affects the performance of vanadium battery such as energy efficiency, energy density and service life. In this paper, VOSO4 was synthesized from s...
Abstract: Using titanium alloy rod TC4 ELI as raw material, spherical TC4 ELI powder was prepared by plasma rotating electrode method (PREP). The effects of current and electrode speed on the particle size distribution and powder properties were investigated. The morphology of the powder was observed using a ...
Abstract: In this work, four kinds of industrial TiO2 initial products were used as raw materials to study the wet gringding dispersion of Zn series TiO2 and Al series TiO2 at different concentrations. Then, the difference of dispersion properties was analyzed by the characterization of slurry viscosity, disp...
Abstract: V-Mo/Ti de-NOx catalysts were prepared by two kinds of TiO2 with different BET surface area. XRD, N2-adsorption, H2-TPR, Raman, NH3-TPD, O2-TPD, and SO2-TPD analysis were used to characterize the physiochemical properties of the different catalysts. The catalytic performances of the catalysts were t...
Abstract: In this study, biaxial tensile tests were conducted on the commercial pure titanium plates using cruciform specimens. The impact of biaxial tensile stress state on the mechanical properties was explored through Digital Image Correlation (DIC) to capture the strain response. The effect of biaxial ten...
Abstract: This article mainly studied the influence of Cr element on the electrocatalytic performance and corrosion resistance of vanadium-based V3TiNi0.56Crx(x=0,0.2,0.4,0.6)/NiMoW composite cathode for hydrogen evolution. The phase, morphology, electrocatalytic performance, and corrosion resistance of V3TiN...
Abstract: A comparative and systematic study was conducted on the effects of annealing temperatures on the microstructure and texture of cold-rolled pure titanium plates using testing methods and analysis methods such as Electron Backscatter Diffraction (EBSD). The results show that when the intermediate anne...
Abstract: Phase transition behavior plays a crucial role on the plastic deformation and mechanical properties of titanium alloy. Therefore, it is very necessary to study the phase transition behavior and further reveal the corresponding mechanism of titanium alloy. In this paper, a novel heat treatment proces...
Abstract: In this paper the influence of stacking direction on the local cyclic plastic behavior of selective laser melted (SLM) TC4 alloy notched parts had been investigated through digital image correlation technology. The results indicate that the plastic deformation near the root of the notched parts can ...
Abstract: The constitutive model plays an important role in describing the response behavior of materials under different deformation conditions and in optimizing the hot forming process. Therefore, in order to obtain the physical constitutive model for accurately describing the high temperature rheological b...
Abstract: The decarbonization of heavy industry and the emergence of renewable energy technologies are inextricably linked to access to mineral resources. As such, there is an urgent need to develop benchmarked assessments of the role of critical elements in reducing greenhouse gas emissions. Here, we explore...
Abstract: With growing global energy demand and the improvement of environmental protection requirements, selective catalytic reduction (SCR) technology has attracted considerable attention as an effective way to reduce atmospheric nitrogen oxide (NOx) emissions. However, the vanadium-titanium-based V2O5-WO3/...
Abstract: The change of phase composition and valuable elements in the process of softening-melting and dripping of acidic V-Ti pellet of Pangang were quantitatively studied by simulating the smelting atmosphere in blast furnace. The results show that Ti and V gradually migrated from titanohematite and ilmeni...
Abstract: Based on the theory of ionic-molecular coexistence (IMCT), a seven-component slag phosphorus distribution ratio (LP) model for CaO-SiO2-MgO-Al2O3-FeO-P2O5-TiO2 was established. This model has been validated in multiple slag systems and has the ability to accurately predict the enrichment behavior of...
Abstract: This study focused on the effect of precipitates on the creep rupture behavior of GH4141 superalloy, involving creep crack initiation and propagation. Microstructures including carbides, γ′ precipitate hardening phase, void and intergranular crack were characterized by SE and EBSD. Meanwhile, plasti...
Abstract: Three kinds of Cu-bearing high strength steels, namely 0V1Cu steel, 0.15V1Cu steel and 0.15V4Cu steel, respectively, were designed to study the effect of V and Cu elements on microstructure and properties. The phase transformation, microstructure and microhardness of experimental steels were investi...
Abstract: In this study, subsequent solution heat treatment was carried out in order to improve the properties of high nitrogen nickel-free austenitic (HNNFA) stainless steel prepared by MIM. The effects of solution temperature and duration on the microstructures and mechanical properties of HNNFA stainless s...
Abstract: In order to optimize the heat treatment process of a Nb microalloyed high-carbon steel, the effects of reheating temperature and transformation temperature on pearlite transformation kinetics and microstructure and properties were studied by dilatometry, optical microscope, scanning electron microsc...
Abstract: In order to reveal the function of Mg micro-alloying in low micro-alloyed steel, the 2.25Cr1Mo with 15 mm thick steel plates containing different Mg content were prepared with vacuum induction furnace and rolled with double-stick reversible rolling mill. The characteristics of heat-treated microstru...
Abstract: In order to investigate the effects of temperature and strain rate on the micro-mechanical properties of FeC alloys, molecular dynamics methods were used to simulate the tensile properties of FeC alloys. The stress-strain curves of FeC alloys at different temperatures and strain rates were obtained ...
Abstract: The influence of pre-strain on the impact fracture behavior of X80 pipeline steel was studied. Fracture morphology and inclusions were analyzed by OM, SEM, EDS spectroscopy, and the crystallographic characteristics near the secondary crack on the fracture cross-section were obtained by EBSD. The res...
Abstract: The effects of different heat treatment processes on the microstructure and mechanical properties of high Mn-N TWIP stainless steels with 1.5% Si addition were studied by SEM and TEM. The results showed that the annealing twin thickness of the tested steel increased with the increase in solution tem...
Abstract: Effect of continuous annealing fast cooling outlet temprature on the microstructures and properties of SPCC cold rolled sheet was studied. The results show that there are equiaxed ferrite grains, massive carbides on grain boundaries and granular carbides in grains in the continuous annealed SPCC col...
Abstract: In this paper, the single pulse resistance spot welding technology was used to study the section characteristics and tensile properties of 22MnB5/DP590 spot welding joints with varying thickness section under different welding current and welding time, and the variation of microhardness of spot weld...
Abstract: Based on Thermo-calc software, the matrix structure, phase transformation and carbides precipitation of G95Cr18 bearing steel were analyzed. Metallographic microscope and scanning electron microscope were used to analyze the mold casting billets structures, inclusions and carbides. The research show...
Abstract: The isothermal hot compression test of B50A789G blade steel was conducted by Gleeble-3800 thermo-mechanical simulator in the strain rate range of 0.01-10 s−1 and the deformation temperature range of 950-1200 ℃. Based on Arrhenius hyperbolic sine equation, the constitutive equation was established．Th...
