FIELD: nanotechnologies.
SUBSTANCE: invention relates to the field of nanotechnologies related to methods to process nanosize materials. The method to process nanosize materials based on aluminium oxide includes pulse action at materials of Fe+ ion beam with current density of 8-8.5 mA/cm2, duration of pulses of 200-600 mcs, accelerated ions energy of 25-50 keV and fluence of 1017-3·1017 cm-2.
EFFECT: conversion of metastable γ-, δ- and other phases of aluminium oxide into α-phase, with preservation of nanoparticles dimensions in a modified material, provision of high hardness and stability of surface layers of nanoceramics or compacted powdery nanomaterials based on aluminium oxide.
3 ex, 1 tbl, 2 dwg
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