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Salt Assisted SHS Synthesis of Aluminium Nitride Powders for Refractory Applications

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Figure

Figure 1. Grain size distributions of the applied aluminum powders. (a) Al-7 powder; (b) Al-63 powder
Figure 2. Aluminum nitride content in the SHS-derived powders in relation to the ammonium carbonate content
Figure 3. Oxide phases content in the SHS-derived powders in relation to the ammonium carbonate content
Figure 4. SEM images of the SHS-derived powders. (a) Al-7, 1 MPa; (b) Al-63, 0.1 MPa; (c) Al-7, 10% salt, 1 MPa; (d) Al-63, 10% salt, 0.1 MPa; (e) Al-7, 30% salt, 0.05 MPa; (f) Al-63, 30% salt, 0.1 MPa

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