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Bulk FeAl–TiN nanocomposites with 50, 30 and 10at.% TiN were produced by reactive milling and subsequent consolidation of nanocrystalline Fe(Al)–TiN composite powders at 1000°C under a pressure of 7.7GPa. Transformation of Fe(Al) into FeAl intermetallic occurred during consolidation. The mean crystallite size of FeAl and TiN was about 20nm. We infer that application of high pressure hinders grain...
The FeAl-TiN nanocomposite was produced by milling an elemental powder mixture of Al-Fe-Ti in nitrogen, followed by hot-pressing consolidation under 8 GPa of pressure. The average hardness of the nanocomposites consolidated at temperatures of 750 and 950 o C are 1424 HV 0.2 and 1461 HV 0.2 respectively, and the density is 97% of the theoretical value in...
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