[PDF] Top 20 Mat. Res. vol.17 número1

... Figure 3 shows the XRD patterns for the PXT10 powder calcined at different temperatures and of the REO powders. Figure 3a shows the X-ray pattern of the PXT10 powder calcined at 550 °C, where it is possible to recognize ... See full document

... decrease in total reduction capacity was observed using the regeneration step at high temperature due to structural changes in particles.. SEM analysis reveals that particle surface con[r] ... See full document

... Even though those were samples of the self-compacting concrete (SF smaller than 500 mm), additional vibrations improved the compactness of the concrete which resulted in the incre[r] ... See full document

... A sign change in the magnetocaloric effect is induced by a magnetic ield, which is related to a iled-induced transition from the antiferromagnetic to the ferromagnetic state below the [r] ... See full document

... The equipment used is metallurgical Microscope-METSCOPE-1 and the magniication of 100x is used and the microstructure of the three main zones that is Weld zone, Heat affected zone[r] ... See full document

... • Overall, work-hardening rate decreases while increasing strain and density irrespective of aspect ratio considered, but at initial stage this effect is quite drastic followed b[r] ... See full document

... The effect of the addition of a pressed castor oil cake, a biodiesel co-product, on the mechanical properties of a grade of LDPE used in the packaging industry was recently evaluated.[r] ... See full document

... The study of the synthesis of zeolites while varying the leaching of the stock material (silica source), mineralizing agent, alumina source, alkaline fusion temperature and crystalliz[r] ... See full document

... The prototype liner was produced in a shuttle rotomolding equipment with 74 L capacity oven and the analyzed processing conditions were: temperature (200 to 240 °C), primary axis rotation (3 to 15 rpm), secondary axis ... See full document

... Speciically, the study has threefold aims: (i) to determine the gelatinization time of different starches with and without the presence of ceramic particles in terms of gel str[r] ... See full document

... measurements. A suitable adhesion of the dense membrane on porous support may be observed, Figure 4a, b, as well as the thin (17 µm) porous active layer deposited by screen printing, Figure 4c, d. The highest O 2 ... See full document

... Considering the S-N curves from the pre-corroded condition, it was observed that the sodium chloride environment had a signiicant effect on the fatigue behavior of both Al alloys, thi[r] ... See full document

... The inhibition effect of mad honey on corrosion of 2007-type aluminium alloy in 3.5% NaCl solution was investigated by Tafel extrapolarisation (TP), electrochemical impedance spectros[r] ... See full document

... Nanocomposites (SWy-1-C8/PMMA and SWy-1-C16/ PMMA) prepared in acetonitrile exhibited improvement in thermal stability, mainly due to its exfoliated structure, however, these materials[r] ... See full document

... Here, we focused our research on the use of capsicum oleoresin extracted from two peppers, Capsicum frutescens and Capsicum baccatum , as an alternative, natural preservative again[r] ... See full document

... The cotton ibers were obtained from Indústria Têxtil H. Milagre in Farroupilha City, Rio Grande do Sul, Brazil. The cotton ibers used in this study originated from residues from the manufacture of fabrics in weaving ... See full document

... • Chain-length: the longer the surfactants hydrophobic tail, the higher the θe value attained at a fixed concentration (as presented in Table 1). Unfortunately, the use of molecules with very long-chain lengths is not ... See full document

... Osteoblasts were removed from calvarial bones and seeded onto porous and smooth PLDLA membranes after which cell viability and adhesion assays, cytochemical analysis and scanning elect[r] ... See full document

... This difference in performance may also depend on the type of recycled aggregate used, and in the studies performed so far mortars with recycled ceramic aggregates gave better results[r] ... See full document

... Bending stress - deflection curves obtained for experimental mixtures are shown in Figure 8 and the results in relation to irst cracking stress ( σ cr ), ultimate bending [r] ... See full document