[PDF] Top 20 Mat. Res. vol.16 número4

... Owing to the defects and impurities, the absorption spectra of the CeO 2 shows that the peak shifts from the ultraviolet region to the visible light region after being doped with Mn [r] ... See full document

... The tested nitriding conditions with very low amount of nitrogen (5 vol.%) lead to tougher nitriding layers. For this condition with 2 hours of nitriding time no continuous compound layer has been formed, which ... See full document

... Using Equation 2 and obtained A 0 for InNO, it was calculated the carrier density of indium oxynitride for each temperature (Table 3).. Conclusions1[r] ... See full document

... To study the effect of loading on the behaviour fracture of the welded joint, we have plotted the curve in Figure 5 which illustrates the evolution of J-integral versus the loading; t[r] ... See full document

... The analysis of the membranes synthesis (CAPU/SPAN and CAPU/PAni TSA ) was satisfactory, since the characteristic peaks of the CAPU, SPAN and PAni TSA were present in the FTIR spectra.[r] ... See full document

... Three factors are considered which have an influence on the behavior and the propagation of the crack: the rotational speed, the length of the rotor and the diameter of the shaft.. The[r] ... See full document

... Simulated curve of the interfacial heat transfer coefficient was used in another numerical solidification model to determine theoretical values of tip growth rates, cooling rates and t[r] ... See full document

... As expected, clays with different degrees of leached reflect varying X-ray diffraction patterns, that come under two main categories: i) the heterogeneity of the solids, as evident in[r] ... See full document

... 16. Bai J, Li Y, Yang S, Du J, Wang S, Zheng J et al. A Simple and Effective Route for the Preparation of Poly(vinyl alcohol) (PVA) Nanofibers Containing Gold Nanoparticles by Electrospinning Method. Solid State ... See full document

... This paper presents a factorial design (mixture design) used to analyze the hardness and degree of monomer conversion into composites containing conventional monomers and an organic-ino[r] ... See full document

... Banana tree (Musa acuminata) was obtained from a plantation. Banana fibres from the trunk are denoted “BT”, while those from the leaves as “BL”. After harvesting the fruits, the segment of the plant above the bottom will ... See full document

... The Increase of Surface Area of a Brazilian Palygorskite Clay Activated with Sulfuric Acid Solutions Using a Factorial Designc. Oliveira, R.[r] ... See full document

... The electrochemical impedance spectroscopy diagram analysis of heat-treated superduplex stainless steel UNS S32750 indicates that carbon dioxide presence is harmful to the studied pas[r] ... See full document

... By comparing the properties of the CdS films we can conclude that the lower initial pH and the control of the pH by adding a pH-10 buffer to the reaction solution to grow the B CdS fi[r] ... See full document

... Figure 8 shows the temperature curves adjusted by the regressions of the experimental values with the simulated ones for each applied stress and the results of the linear regressions [r] ... See full document

... The impregnation of vinyl trichlorosilane as an additive along with nanoclay and SAN polymer into wood and its effect on various properties like mechanical, flame retardancy, thermal [r] ... See full document

... Thus, the aim of this study was to investigate the effect of oxygen and nitrogen plasma treatment on the PLGA surface properties, including hydrophilicity and morphology, and to evalu[r] ... See full document

... On the other hand, the powders prepared by reverse-titration method have platelike and spherical shape and the average size of the particles is about 10 nm (shown in Figure 5c). The su[r] ... See full document

... 16. Sankar MB, Pal AR, Bailung H and Cuthia J. Optimization of plasma parameters for high hate deposition of titanium nitride films as protective coating on bell-metal by reactive sputtering in cylindrical ... See full document

... Scanning electron micrographs (in detail) of FMM1 cells grown on sintered HAp/TCP ceramic substrates after 2 and 3 days cell culture.. Left column: 2 day exposure; right column: 3 days [r] ... See full document