Casting infiltration technology was used to fabricate a high-chromium coating on the surface of parent ZG45 steel with different Ni content. SEM, EDS analysis, CALPHAD-type calculations, Rockwell hardness test and impact wear were utilized investigate influence microstructure, resistance performance. The as-cast microstructure casting coatings content less than 2.82 wt.% pearlite matrix reticul...

Sorption data were obtained with a Matawan soil and the following chromium (III) organic complexes: chromium (III) ascorbate, chromium (III) glutamate, chromium (III) histidine, chromium (III) mandelate, chromium (III) citrate, chromium (III) cysteine, chromium (III) serine, chromium (III) pyruvate and chromium (III) oxalate. The influence of pH (2-12), ionic strength (0.005-1 M) and concentrat...

It has been evaluated the relationship between microstructure and three-body abrasive wear behavior of high-chromium (18 27 mass % Cr) based (3 each V, Mo, W, Co) multicomponent white cast iron materials (high-Cr MWCIs). was also compared to MWCI determine service life materials. The results indicate that material is composed mainly martensite matrix different types precipitated carbides. resis...

BACKGROUND The resolution in electrostatic force microscopy (EFM), a descendant of atomic force microscopy (AFM), has reached nanometre dimensions, necessary to investigate integrated circuits in modern electronic devices. However, the characterization of conducting or semiconducting power devices with EFM methods requires an accurate and reliable technique from the nanometre up to the micromet...

The Vanadis® 8 is a tool steel used in the manufacture of dies, punches and tools. It has high carbon content combined with chromium, molybdenum vanadium, presents good performance its mechanical properties. Usually, chips obtained by machining are sold to companies that use remelting. However, this technique considered expensive harmful environment. Therefore, work aimed analyze efficiency add...

In this study, to evaluate the effect of boron carbide (B4C) addition on wear performance aluminum (Al), Al6061 and 5, 10, 20 vol.% B4C/Al6061 composites were manufactured using stir casting hot rolling processes. B4C particles randomly dispersed during process; then, arranged in direction a process further improve dispersion resistance composites. Furthermore, continuous interfacial layer betw...

A novel composite coating was developed by depositing powders of Titanium Carbide (TiC) with Cupronickel (70Cu-30Ni) and Chromium (Cr) as binders onto SS316 steel specimens using the High Velocity Oxy Fuel (HVOF) process. The coatings were characterized Energy Dispersive Spectroscopy (EDS) Scanning Electron Microscopy (SEM), their surface hardness, roughness, porosity evaluated. cavitation eros...

In this study, the effect of microstructural characteristics on mechanical properties high-chromium white cast iron-matrix composites reinforced by in situ TiC and ex WC was investigated. To end, two different powder mixtures (Ti + Al graphite Fe) were compressed to produce green compacts that inserted into mold, before casting. The microstructure resulting base metal characterized using optica...

Silicon carbide is one of the most promising materials for power electronic devices capable of operating at extreme conditions. The widespread application of silicon carbide power devices is however limited by the presence of structural defects in silicon carbide epilayers. Our experiment demonstrates that optical second harmonic generation imaging represents a viable solution for characterizin...

Our present work presents a direct association of the observed loss of shear strength in boron carbide under plane shock wave compression to amorphization in boron carbide under triaxial stress compression. This evidence is obtained from in-situ measurement of Raman, and infrared vibrational spectra of boron carbide confined in a Diamond Anvil Cell (DAC) under hydrostatic and non-hydrostatic pr...