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Development and characterization of titanium nitride reinforced aluminium MMC's through powder metallurgy technique

Mahesh L., Sudheer Reddy J., Mukunda P. G.

Mechanics and Mechanical Engineering

2017

Vol. 21, nr 1

29--36

Aluminium (Al) reinforced with Titanium Nitride (TiN) Metal Matrix composites find its application for elevated temperature operating conditions. 5,10 and 15 weight percentage of TiN particles were added to aluminium to prepare the composite through powder metallurgy technique. The mixed powder was compacted at two compacting pressure of 250 MPa and 300 MPa to produce the specimens having h/d ratio in the range of 1.1 to 1.2. The specimens were sintered in nitrogen atmosphere at two different sintering temperatures of 400oC and 500oC with sintering time of 4 hours for each. Physical properties namely, green density, sintered density and mechanical properties such as hardness, compression strength and surface roughness were studied.