Abstract
Nonequilibrium titanium-nitride alloy powders have been fabricated by a high energetic ball mill under nitrogen gas flow at room temperature and characterized by means of x-ray diffraction, scanning electron microscopy, transmission electron microscopy, and differential scanning calorimetry. Initial hcp titanium is completely transformed to nonequilibrium-fcc Ti–N after 720 ks of the milling time. The fcc Ti–N phase is stable at relatively low temperature and transforms at 855 K to Ti2N and δ phases. At the final stage of milling, the particle- and grain-sizes of alloy powders are 1 mm and 5 nm, respectively, and the lattice parameter is 0.419 nm.
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Sherif El-Eskandarany, M., Sumiyama, K., Aoki, K. et al. Morphological and structural evolutions of nonequilibrium titanium-nitride alloy powders produced by reactive ball milling. Journal of Materials Research 7, 888–893 (1992). https://doi.org/10.1557/JMR.1992.0888
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DOI: https://doi.org/10.1557/JMR.1992.0888