Abstract
Abstract Mechanochemical processing is a novel technique for the synthesis of nano-sized materials. This research is based on the production of Al 2 O 3 –TiB 2 nanocomposite powder using mechanochemical processing. For this purpose, a mixture of aluminum, titanium and boron oxide powders was subjected to high energy ball milling. The structural evaluation of powder particles after different milling times was conducted by X-ray diffractometry (XRD), scanning electron microscopy (SEM), and transmission electron microscopy (TEM). The results showed that during ball milling the Al/B 2 O 3 /Ti reacted with a combustion mode producing Al 2 O 3 –TiB 2 nanocomposite. In the final stage of milling, the crystallite sizes of Al 2 O 3 and TiB 2 were estimated to be less than 50 nm.
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