Synthesis of TiN Reinforced Aluminium Metal Matrix Composites Through Microwave Sintering |
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| Authors: | K Venkateswarlu Suman Saurabh V Rajinikanth Ranjan Kumar Sahu Ajoy Kumar Ray |
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| Affiliation: | (1) National Aerospace Laboratories, Bangalore, 560017, India;(2) National Metallurgical Laboratory, Jamshedpur, 831007, India;(3) National Institute of Technology, Tiruchirapalli, Tamilnadu, 620015, India |
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| Abstract: | Al-TiN (10, 20, 30 wt.%) composites were fabricated by using microwave radiation. Al and TiN powders were selected as starting
materials, mixed in a ball mill for ~10 min and sintered for various times. Results indicate that an optimum microwave sintering
time of 2 min was essential and responsible for the improved densification and mechanical properties. The presence of TiN
particles at grain boundaries plays a significant role in improving the densification and hardness values. Dry sliding wear
results show the improved wear resistance of the composite (Al-TiN) due to the presence of TiN particles and the wear results
are superior to the Al-TiN samples made by hot pressing technique. |
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