Abstract
Titanium nitride is a broad-spectrum specific functional material because of its many superior properties. Therefore, it is necessary to investigate synthesis methods of TiN and alloys containing TiN reinforcement. In the current study, with the increase of nitrogen gas pressure and the optimization of routine ball milling parameters, the conventional mechanical ball-milling method can be improved, the nanometers TiH2 -TiN composite powder can be synthesized successfully in a shorter time. Nitrogen gas filled in ball mill jar in which the pressure was 0.6 MPa. TiH2 powder was milled under nitrogen atmosphere at a spinning rate of 250 rpm. The results show that the stable TiN is formed after grinding for 2.5 h according to the X-ray diffraction pattern. DSC (differential scanning calorimetry) curves also indicate that milled compound powder adsorbs certain nitrogen gas. The gas adsorbed in TiH2-TiN composite can exist stably below 200 °C.
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Acknowledgements
This work was supported by the National Natural Science Foundation of China (Grant No.51374262).
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© 2017 The Minerals, Metals & Materials Society
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Wu, X., Lv, X., Liu, X., Li, C., Zhang, Y. (2017). Synthesis of TiN Nano-Composite Powder by High-Energy Ball Milling of TiH2 Under Nitrogen Atmosphere. In: Ikhmayies, S., et al. Characterization of Minerals, Metals, and Materials 2017. The Minerals, Metals & Materials Series. Springer, Cham. https://doi.org/10.1007/978-3-319-51382-9_22
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DOI: https://doi.org/10.1007/978-3-319-51382-9_22
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