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Characterization of Nickel-Based ODS Alloy


Affiliations
1 Department of Metallurgical Engineering, PSG College of Technology, Peelamedu, Coimbatore, India
     

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The present work aims at the synthesis of Ni-ODS alloy by powder metallurgy route and employing a new processing technique namely spark plasma sintering. The mechanically alloyed powders are compacted at different temperatures at relatively shorter sintering times to arrive at 97% density. The compacted samples were investigated using SEM/EDS and TEM showing nanograins which significantly increase the strength and hardness when compared to micrograined materials. The work involves a detailed and thorough characterization of the synthesized alloy.

Keywords

Ni-ODS Alloy, MA, SPS, Nanocrystalline.
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  • Characterization of Nickel-Based ODS Alloy

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Authors

Monika Mohan
Department of Metallurgical Engineering, PSG College of Technology, Peelamedu, Coimbatore, India
R. Subramanian
Department of Metallurgical Engineering, PSG College of Technology, Peelamedu, Coimbatore, India
P. C. Angelo
Department of Metallurgical Engineering, PSG College of Technology, Peelamedu, Coimbatore, India

Abstract


The present work aims at the synthesis of Ni-ODS alloy by powder metallurgy route and employing a new processing technique namely spark plasma sintering. The mechanically alloyed powders are compacted at different temperatures at relatively shorter sintering times to arrive at 97% density. The compacted samples were investigated using SEM/EDS and TEM showing nanograins which significantly increase the strength and hardness when compared to micrograined materials. The work involves a detailed and thorough characterization of the synthesized alloy.

Keywords


Ni-ODS Alloy, MA, SPS, Nanocrystalline.