[PDF] Top 20 Mat. Res. vol.19 número3

... The values for the Zn-O bond length in the mono, double and three-layer graphene-like structures are 1.897, 1903 and 1.903 Å, respectively, which are smaller than that one found for t[r] ... See full document

... The high viscosity of the Ni-TiO 2 suspensions, inluenced the adhesion during the formation of the coating. This effect is shown in Figure 6. Despite their high porosity the coatings with concentrations of nanoparticles ... See full document

... We polished commercially pure Ti plates (10 mm x 5 mm x 0.5 mm) and ultrasonically cleaned them in acetone, ethanol and deionized water. We then eroded them in HF-HNO 3 -H 2 O solution, cleaned them in deionized water ... See full document

... For the coking coal blends were used base (BB), supplied from a Brazilian steel company with relevance physic- chemical parameters obtained through immediate analysis performed upon re[r] ... See full document

... In this study, surface and subsurface residual stresses resulting from Laser Beam Welding (LBW) and Plasma Arc Welding (PAW) processes by X-ray diffraction technique in IF steel butt [r] ... See full document

... However, in previous study carried out by Salvador 10 , which used macroibre A original wires of greater length (total length of 500 mm and effective length 250 mm), the obtained ave[r] ... See full document

... Due to the strong hydrophilic character of jute ibers, they were subjected to a drying process for 12 hours in an air circulating oven at 140 °C, in order to remove any moisture present in the ibers and hence promote ... See full document

... The purpose of this study was to evaluate the effects of long-term storage on the microtensile bond strength (µTBS) to dentin of two self-adhesive and three multi-step resin cements.. T[r] ... See full document

... The wear volume obtained by the gas carburization and ion nitriding treatments exhibited similar behaviour, i.e., shorter treatment times resulted in smaller wear volumes because of t[r] ... See full document

... The ZnO-AgCl nanocomposites exhibited a signiicant enhancement of photocatalytic activity towards degradation of methyl tertiary butyl ether in aqueous solution due to the effective car[r] ... See full document

... Although CeO 2 has poor capacity for RhB degradation under visible light irradiation due to its higher band gap energy, it shows high photocatalytic capability in the UV region 17,18.[r] ... See full document

... In this work, evidences are shown that carbon ilms deposited by magnetron sputtering on Co buffer layers previously deposited on heated sapphire substrates present amorphous an[r] ... See full document

... A decline of the permeate lux occurred with the increase in molecular weight and thus an increase in the eficiency of membrane separation of solute (protein) of distilled water.. The [r] ... See full document

... Constituent phases observed by SEM were identiied by EDS and shown in Figure 3, from which it can be seen that the intermetallic compounds were of ishbone-like distribution at g[r] ... See full document

... The other three images shown in Figure 3 refers to particles observed in materials produced by hydrothermal treatments during 48h and 72h at different initial conditions, as follows: [r] ... See full document

... This work aims to investigate the temperature rise in Aluminum alloy 6061 due to deformation heating in equal channel angular pressing (ECAP) and high-pressure torsion (HPT) processes u[r] ... See full document

... 3.1 Morphology observation and EDS analysis Fig. 1(a) shows the surface SEM micrographs of the Ni-Co coating. It is clearly that Ni-Co coating presents typical crystal morphology with average uniform particle size of ... See full document

... At this point, is convenient to summarizes and point out the main features of the FVM computational code considered in this work and their shortcomings. Firstly, it is important to emphasize that the FVM computational ... See full document

... Here we report the synthesis and characterization of a solid composite based on a mesoporous silica material, covalently bonded to the ionic liquid chloride 1- methyl- 3-methoxysilyl p[r] ... See full document

... These microstructures and the phases obtained were already analyzed and reported in detail in a previous work [9] using Scanning Electron Microscopy (SEM) and X-ray diffraction (XRD) [r] ... See full document