[PDF] Top 20 Anelastic relaxation due to hydrogen in Ti-35Nb-7Zr-5Ta alloy

... friction in the bcc ele- ments (as for example Nb, Ta, Zr, and ...of Ti and Zr containing hydrogen using mechanical spectroscopy data measured with the vibrating reed ...technique. In these ... See full document

... are in three groups: the stainless steels, the cobalt based alloys and the titanium based alloys, this last one with prominence in relation to the other ones ...classified in agreement with ... See full document

... shown in Figure 3a and 3b, respectively, confirming that no other phase is formed besides the coarse β parent ...pattern in Figure 3c suggests that besides the primary diffractions from β, faint additional ... See full document

... was to compare the effects of aging and solubilization heat treatment as well as of the average normal stress due to bending on microstructure and fatigue resistance of ... See full document

... the hydrogen storage alloy electrodes, one is the pulverization of the alloys during consecutive charge/discharge cycles, and the other is the oxidation and the corrosion of the alloy components ... See full document

... Co-Worth-USA) in the dimensions 25x3x1mm and invested in titanium investment material (Rematitan Plus - Dentaurum – Pforzheim - ...heated in an electric furnace following the firing cycle recommended ... See full document

... the hydrogen relaxation data for the nanocomposite prepared through THF, one can see that for both 1 and 3% of nanoclay there was a decrease in the relaxation values, less pronounced than for ... See full document

... indicated in Fig. 9b–d. It is possible to observe fatigue striations as a stable fatigue crack propagation ...grow in direction to the substrate, inhibited by the ductile chromium interlayer ... See full document

... transferring to the corrosive solution. The coated samples were not ground in order to maintain the coating ...referred to a saturated calomel electrode ...coated Ti-6Al-4V alloys was ... See full document

... important to note that all samples were previously subjected to the activation process to remove and oxide ...needed to reach the maximum capacity is 9 minutes, this is because a layer of ... See full document

... and hydrogen embrittlement in DSS 2205 are ...seems to have a higher influence on hydrogen embrittlement than martensitic ...After hydrogen charging, the increase of dislocation density ... See full document

... leads to smaller compression or chemical potential of the hydrogen atoms inside the crystal, diminishing the tendency of hydrogen to escape from the ...because in this condition the ... See full document

... performed in samples of Nb containing different amounts of substitutional (Zr) and interstitial (O, N) ...sponding to different interactions. For each relaxation process we obtained the height (Q ... See full document

... the alloy electrode, the low-frequency semicircle represents the charge-transfer resistance, and the straight line is namely Warburg ...seen in Figure 6 that the contact impedance remains almost unchanged, ... See full document

... variation in the degradation profile when compared with the unprocessed polymer (PVP ...reported in Table ...nanoparticle in the ...reduction in the percentage lost. The two drugs used were ... See full document

... observed in the transversal section. SAED analyses as illustrated in Figure 4b have showed that these regions are polycrystalline due to the formation of typical ring-type patterns, where some ... See full document

... Open-circuit relaxation curves obtained for the Ni-Zn elec- trode: A, after long time polarization and, B, for the electrode kept at the open-circuit potential.. of parameters A,[r] ... See full document

... use in body implants, prosthet- ics devices and jewelry, and in food ...resistant to shock and explosion damages (military applications) than most other en- gineering materials 7-8 ... See full document

... possible to observe the surfaces of the samples in the AB condition (a), after CHE (b), after EP (c), after B (d), after B and CHE (e) and after combining the three treatments ...(f). In the AB ... See full document

... induces relaxation is the subject of much ...bound to the heterodimer (23,24). NO activates cGMP synthesis by binding to the heme group, leading to the conversion of guanosine triphosphate ... See full document