Abstract
This paper presents results of metallographic examination of a thick-wall spherical shell from uranium alloyed with iron and germanium. This shell is recovered after low-level explosive loading. Light microscopy, hardness measurement, scanning electron microscopy and X-Ray diffraction study were used to investigate the meridional section of the test shell as this section most completely exhibits the whole variety of structural features associated with explosive loading of the material. Processing, presentation, and analysis of experimental data on volumetric distribution of studied physical quantities were performed with the help of digital panning and color mapping.
Highlights
This paper presents results of metallographic examination of a thick-wall spherical shell from uranium alloyed with iron and germanium
Shock waves are widely used in fundamental scientific research as they are currently a basic experimental technique used to study thermodynamic properties of the matter in the area of high, and super-high pressures, and rheological behavior in conditions of high-rate strain deformation
Greater amplitudes of shock waves can be generated with the explosive systems that use the principle of detonation wave convergence
Summary
This paper presents results of metallographic examination of a thick-wall spherical shell from uranium alloyed with iron and germanium. The fractured area located most closely to the central cavity is represented by roundedged cracks (R ≈ 13...16 мм) having a shape close to the equiaxial one.
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