Abstract The microstructural characteristics of spherical metal powders play an important role in determining the quality mechanical parts manufactured by powder metallurgy processes. Identifying individual particles from their microscopic images is one most convenient and cost-efficient methods for analysis characteristics. Although numerous image processing algorithms have been developed auto...

we report on the synthesis, morphology, chemically and structurally of tio2-cuo-sio2 nanostructure with different precursors molar ratio and calcined temperatures. in the present work, ternary reactive powders in the tio2-cuo-sio2 systems have been obtained using the sol-gel method, by the simultaneous gelation of all cations. the compounds and other elements change in special chemical and phys...

Synthetic magnesium silicate finds applications in adsorbents, catalysis, pharmaceuticals, foods, cosmetics, and oil industry. This study introduces a method for potential one-pot preparation of narrowly sized, spherical powders. After initial synthesis by precipitation from sulphate sodium metasilicate solutions, the precursor was ball-milled with two immiscible liquids, forming particle-loade...

The aim of this research is to study the features structure and properties alloys obtained using technology hot isostatic pressing (HIP) metal powders. was carried out in temperature range interruption HIP cycle from 670 1150 °C on 08Cr18Ni10Ti Cr12MoV. For processing images microstructures assessing their fractal dimension, software has been developed MATLAB environment. results microstructura...

Synthesis of (Gd0.95-x Ln x Eu0.05)2O3 (Ln = Y and Lu, x = 0-0.95) powders via ammonium hydrogen carbonate (AHC) precipitation has been systematically studied. The best synthesis parameters are found to be an AHC/total cation molar ratio of 4.5 and an ageing time of 3 h. The effects of Y3+ and Lu3+ substitution for Gd3+, on the nucleation kinetics of the precursors and structural features and o...

Present paper considers processes of production and treatment of hollow particles in plasma flows. Specifics of agglomerated powders treatment and expansion of hollow droplets are analyzed theoretically. Experimental results on production of hollow micro particles of ZrO2, Ni, CoNiCrAlY alloy, SiO2 are shown here.