[PDF] Top 20 Algunos criterios para analizar una historia de los documentales audiovisuales

... Co alloys are furthermore characterized by a low Stacking Fault Energy (SFE). As known, stacking faults are discontinuities in the stacking order of close-packed planes [15]; they can appear in fcc structures (on ... See full document

... Co-Cr alloys, and the size of a single grain can approach the diameter of a removable partial denture framework clasp ...the rapid cooling rates in SLM no large grains or dendritic structures are ... See full document

... The microstructure of the solution annealed material is mainly austenitic (Table 10), but the amount of austenite close to the fracture surface after tensile tests is almost negligible, as shown by XRD ... See full document

... Mo-type alloys, titanium and titanium alloys ...its alloys are preferred due to their relatively low modulus, excellent strength to weight ratio, good fracture toughness and superior biocompatibility ... See full document

... Aluminum alloys of various types are continually being developed to improve their wear ...these alloys, aluminum-silicon (Al-Si) alloys have been found to be beneficial in many industrial ... See full document

... study. Alloys with mentioned nominal compositions were prepared by conventional casting and further processed melt-spinning ...studied alloys were characterized using scanning electron microscopy (SEM) ... See full document

... the mechanical behavior of metallic glasses has been widely studied, the real nature of the deformation mechanisms in these amorphous alloys still remains ... See full document

... investigate mechanical properties of aluminum matrix composites reinforced with fly ash (AMC/Fly ash) produced using hot ...The microstructure was observed using SEM. The results show that ... See full document

... Lattice microstrain will be related to both diffraction lines broadening as well as line shift compared with the initial state. From the relation between full widths half maximum (β) and 4tan [20, 21] as shown in Figure ... See full document

... using electric resistance furnace. 99.99% pure magnesium and binary Mg-Gd master alloy were melted at 1053 K firstly and then 99.9% pure zinc, Mg-Y and Mg-Zr pre-heated at 573 K were added to the melt. After stirring and ... See full document

... cobalt-based alloys, which was sintered at 1270°C, and followed by HIP processes, solution heat treatments, and aging treatments for 12 ...the mechanical properties of the cobalt-based ... See full document

... casting alloys with silicon as the major alloying elements are the most important commercial casting alloys because of their superior casting ...and mechanical behavior of Al- Si alloy against both ... See full document

... The 1Si(Al) alloy more hardened (strengthened) than the 1Si(Ni) alloy, as shown in the hardness behavior (Fig. 10) as well as the yield strength behavior (Fig. 11). Such a harden- ing (strengthening) behavior may be ... See full document

... injection.The properties of in situ processedmaterialsprimarilydepend on the matrix and the volume fraction of the constituent ...The microstructure of the composite wasinvestigated by optical and scanning ... See full document

... these alloys play an extremely important role in gas turbine engines, aircraft, marine, nuclear reactors, steam power plants, petrochemical equipment and other high-temperature ... See full document

... Figure 5 shows the OM observations of the 10% TaC specimens at different sintering temperatures. Figure 5(a) shows that the TaC powders clearly distributed in the grain boundaries. Moreover, the carbide precipitations in ... See full document

... the microstructure of Mg–Al–Sr (AJ) based alloys and reported that a ternary phase existed in the alloys containing 2–3 mass% Sr at the grain ... See full document

... Ti-Ni alloys exhibit superior shape memory proper- ties and superelasticity, they are favorable choice for smart biomaterials such as orthodontic wire, stent in blood vessels and teeth-root ...superelastic ... See full document

... The powder mixture of Al alloy and 1.0 vol.% GNSs was milled in a planetary ball mill, which was carried out in a 500 ml stainless steel jar. The confined powders were firstly ball milled at 180 rpm for 0.5 h for ... See full document

... AZ31 alloys, the variation of micro- structure and hardness of AZ31-xRE alloys after solid solution treatment was estimated at elevated ...AZ31-3RE alloys after solid solution treatment at 693 K for ... See full document