[PDF] Top 20 Corrosion Properties of Ca Based Bulk Metallic Glasses

... the corrosion resistance in the Ca-Mg ...the corrosion effect of this protective oxide-forming ...possible corrosion reactions between the specimen and the ... See full document

... using flux. Once tarnished surface was removed by polishing, metallic surface came out as shown in Fig. 4(b). Therefore, surface oxidation during brazing was not severe very much. These fillers and base metals were ... See full document

... FEM based on the macroscale continuum mechanics is essential in order to obtain the local deformation behaviour, especially in analysing the potential of BMG materials for the superplasticity of ... See full document

... of bulk metallic glasses (BMGs), heterogeneous materials with glassy matrix and different type and length-scale of heterogeneities (micrometer-sized second phase particles or fibers, nanocrystals in a ... See full document

... zirconia-based ceramics and a model of shear bands as Mode II cracks. We demonstrate that considering volume change alone this mechanism cannot explain the unusual ductility of the composite, contributing only ... See full document

... Metallic glasses have typically been treated as a “one size fits all” type of ...limits, corrosion resistance, ...materials, properties are strongly dependent upon the constituent elements, ... See full document

... glass were investigated. The microstructure of TiN or (Ti, Al) N coatings, the BMG substrate and the interface was investigated by high- resolution transmission electron microscopy. The electrochemical behavior of PVD ... See full document

... adopting a pneumatic cylinder and gripper based on a conventional lathe, and a welding process which provides a sufficient cooling rate after welding were devised. Friction time and friction pressure were chosen as ... See full document

... 2/Region 3 border are examined and explained in terms of the known anomalous elastic properties and deformation mechanisms of ß Ti alloys near the stability transition. ................. 76 Figure 6-4—TEM and XRD ... See full document

... the corrosion is still not clearly ...the corrosion behavior of the BMGs is originated in the deformed, as-cast and ...pitting corrosion was enhanced due to the decrease in free volume favors by ... See full document

... Bulk Metallic Glasses (BMGs) have been drawing increasing attention in recent years due to their scientific and engineering ...BMGs based on certain late transition metals ...those ... See full document

... Zr-based bulk metallic glasses (BMGs) have continued to attract considerable interest since being discovered in the early ...superior properties, including high strength, high hardness, ... See full document

... a metallic glass has a unique functional relationship with the shear modulus [9, ...of metallic glass-forming liquids induced by either thermal excitation (by varying temperature) or mechanical deformation ... See full document

... Mechanical properties and plastic deformation behaviors of the four BMGs are investigated through nanoindentation. The measured hardness and elastic modulus of each alloy are also listed in Table 1. Typical ... See full document

... the corrosion behaviors of Ni-free BMGs in Zr-Cu-Fe-Al system is ...and corrosion products were characterized by scanning electron microscopy (SEM) and energy dispersive X-ray (EDX), ... See full document

... Although metallic glasses have been made since 1960s, specimen dimensions were previously limited to tens of µm due to the very fast cooling rates (about 10 6 to 10 12 K/s) needed in order to prevent ...of ... See full document

... of metallic glasses were analyzed with X-ray photoelectron spectroscopy (XPS) using an ESCALAB250 (THERMO VG, USA) photoelectron spectrometer equipped with Al-Kα ... See full document

... surface polishing and machining, the plates were used for the magnetic yoke of linear actuator. Moving coil type linear actuator was constructed with a permanent magnet, drive circuit and power source. The actuator was ... See full document

... amorphous structure in bulk rods with diameters as large as about 70 mm. A number of attempts have been made to understand the controlling factors on GFA in order to predict alloy compositions with larger ... See full document

... A series of Cu-Hf-Ti alloys prepared by rapid solidification of the melt and by copper mould casting were studied in the present work. Alloy ingots were prepared by arc-melting mixtures of pure metals in an argon ... See full document