employee from 01.01.2019 until now
Ekaterinburg, Ekaterinburg, Russian Federation
employee from 01.01.2011 until now
Ekaterinburg, Ekaterinburg, Russian Federation
employee from 01.01.1970 until now
Ekaterinburg, Ekaterinburg, Russian Federation
student from 01.01.2022 until now
Ekaterinburg, Ekaterinburg, Russian Federation
employee from 01.01.2010 until now
Ekaterinburg, Ekaterinburg, Russian Federation
UDC 54.03
The paper demonstrates an effective possibility of using waste (shot-blasting dust) from the production of V–Al master alloys for obtaining the dispersion-strengthened composite materials based on aluminum. An analysis of the chemical, phase, and granulometric composition of dust from VnAl-65 and VnAl-1 master alloys has been conducted. To increase the reactivity, the shot-blasting dust (SBD) was subjected to mechanical activation in a planetary mill with the establishment of the optimal processing time. It significantly reduces the average particle size up to 8 µm with an increase in specific surface area by several times and induces amorphization of Al2O3. According to XRD analysis and electron microscopy, during the sintering of mixtures (Al + SBDVnAl-65, Al + SBDVnAl-1), a composite material is formed. Moreover, strengthening intermetallic compounds (Al3V, Al23V4 and Fe4Al13) are uniformly distributed in the aluminum matrix – a solid solution of V in Al.
aluminum, amorphization, shot-blasting dust, dispersion-strengthened composite, reactivity
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