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Mechanochemical Processes in the System “Titanium - Heptane” during Ball Milling

The transformations of the solid and liquid phases at high energy planetary ball milling of heptane together with titanium powder were investigated. The sequence of structural heptane transformations using UV-and FT-IR spectroscopy was investigated. Phase constitutions of ball milled titanium powders were studied by X-ray diffraction. It is shown that mechanically induced destruction of heptane occurs by the mechanism of catalytic cracking. The main solid products of the mechanosynthesis were hexagonal (HCP) and cubic (FCC) titanium carbohydrides. Evolution of lattice parameters, crystallite sizes, and micro-stresses of the solid phases during ball milling as a function of the ball milling time have been discussed.