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Mat. Res.  vol.9 número2

Mat. Res. vol.9 número2

... We are now implementing a software system for on-line submis- sions with obvious advantages to authors and editors. The next issue of Mat. Res. will also be composed of regular articles. Forty six articles ... See full document

1

Mat. Res.  vol.9 número2

Mat. Res. vol.9 número2

... FTIR spectroscopy was successfully used to characterize hydro- gels of PVA, crosslinked PVA/GA and hybrids containing tetraethy- lorthosilicate (TEOS). In addition to that, the results h[r] ... See full document

7

Mat. Res.  vol.9 número2

Mat. Res. vol.9 número2

... Therefore, we showed that a nanocrystalline powder of tripotassium sodium sulfate is easily obtained by mechanical alloying and that the grain size can be controlled by the amount of m[r] ... See full document

4

Mat. Res.  vol.9 número2

Mat. Res. vol.9 número2

... The present study evaluated the effect of casting temperature and controlled atmosphere, comparing it with direct gas-oxygen flame on the castability of three brands of base metal allo[r] ... See full document

5

Mat. Res.  vol.9 número2

Mat. Res. vol.9 número2

... The obtained results have been interpreted on the basis of micro- structural characteristics exhibited by the materials tested, e.g., carbon iber array (cross-ply unidirectional tap[r] ... See full document

6

Mat. Res.  vol.9 número2

Mat. Res. vol.9 número2

... In this section, the expressions derived in the previous section for single grain evolution were used to obtain expressions contain- ing “global” measurements, that is, average measurem[r] ... See full document

8

Mat. Res.  vol.9 número2

Mat. Res. vol.9 número2

... Ryan and McQueen observed that the presence of a stress peak in a constant strain rate flow curve leads to an inflection in the stress dependence of the strain hardening rate, is given[r] ... See full document

6

Mat. Res.  vol.9 número2

Mat. Res. vol.9 número2

... Impedance spectra evolution of concrete sample without silica fume (control) during 22 months of immersion in 3.5% NaCl: a) Nyquist diagram; b) Nyquist diagram - high frequencies; and c[r] ... See full document

7

Mat. Res.  vol.9 número2

Mat. Res. vol.9 número2

... As a continuation of the present work, we intend to obtain AAMs with low diameters (< 200 nm) with controlled aspect ratio, and determine the magnetic properties of the el[r] ... See full document

4

Mat. Res.  vol.9 número2

Mat. Res. vol.9 número2

... of REs is directly linked to reduction in chromium ion mobil- ...of REs is due to reduction in chromium ion movement along grain boundaries, caused by the presence of ... See full document

6

Mat. Res.  vol.9 número2

Mat. Res. vol.9 número2

... As a result, only when the points of so called “good displacement” (e.g. points of higher amplitudes: 2, 5, 7 and 10, in Figure 3) were considered in the modal analysis, the correlati[r] ... See full document

5

Mat. Res.  vol.9 número2

Mat. Res. vol.9 número2

... Thus, they provide good estimates within each topological class for the average face curvature, surface area, and volume, all of which are relevant to determining the [r] ... See full document

6

Mat. Res.  vol.9 número2

Mat. Res. vol.9 número2

... The decrease in the peaks’ intensities may be ascribed to the lower acid density of these impregnated samples, as evidenced by the strong reduction of surface area due to the phosphori[r] ... See full document

4

Mat. Res.  vol.9 número2

Mat. Res. vol.9 número2

... Figure 4 shows the determined values for both the distances between the lamellar planes (d 002 ) and the plane stacking sizes (L 002 ) evaluated from XRD spectra. The analysis of (002) reflections evidences a sharp ... See full document

6

Mat. Res.  vol.9 número2

Mat. Res. vol.9 número2

... None of the 10 evaluated roots presented a dentine bridge and there was pulp tissue necrosis and abscess. The apical cementum was irregular due to extensive resorption in all samples. There was no dentine resorp- tion in ... See full document

6

Mat. Res.  vol.9 número2

Mat. Res. vol.9 número2

... 1. Characteristics of fatigue crack growth in GFRP laminates. International Journal of Fatigue. Aymerich, F, Found MS. Response of notched carbon/PEEK and carbon/ epoxy laminates [r] ... See full document

10

Mat. Res.  vol.9 número2

Mat. Res. vol.9 número2

... No alterations were observed among the samples treated directly at the working temperature or submitted to the heating of the petro- leum beginning at room temperature for the samples o[r] ... See full document

6

Mat. Res.  vol.9 número2

Mat. Res. vol.9 número2

... These results show that for the same grain width (0.52 mm) an increase in the grain length causes an immedi- ate increase in the fracture toughness of silicon nitride, independent of t[r] ... See full document

4

Mat. Res.  vol.9 número2

Mat. Res. vol.9 número2

... The results in Table 2 indicate that the particles can grow to sizes larger than 1 µm when the metallic nuclei are previously formed, and when formaldehyde is present in the beginning and is added along the test. The ... See full document

5

Mat. Res.  vol.9 número2

Mat. Res. vol.9 número2

... According to the case analyzed here, which involves the weld repair of a 1¼Cr½Mo ferrite-pearlite steel steam pipe operating for 20 years at 480 °C, in service weld repair leads to the[r] ... See full document

6

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