Abstract
In this article, equiatomic multicomponent alloys with the compositions of Co20Cr20Fe20Mn20Ti20 and Co20Cr20Fe20Mn20Ti20Ni20 were synthesized by mechanical alloying with 5, 10 and 15 h of milling. During mechanical alloying, there is refinement of particles up to 10 h of milling following which there is agglomeration of particles till 15 h of milling in Co20Cr20Fe20Mn20Ti20 whereas, for Co20Cr20Fe20Mn20Ti20Ni20, the phenomenon of cold-welding predominated up to 10 h of milling following which refinement of particles were observed till 15 h of milling due to fragmentation. X-ray diffraction technique confirmed the presence of body-centered cubic and face-centered cubic phases in both the alloys. There is a considerable decrease in crystallite size and increment in the lattice strain with increase in the milling duration for both the alloys. Both the alloys exhibited nanocrystalline nature after 15 h of milling which was confirmed by high resolution transmission electron microscopy.
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The datasets generated and analyzed during the current study are available from the corresponding author on reasonable request.
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Acknowledgements
The authors would like to thank Central Research Facility (CRF), IIT Kharagpur for assistance in carrying out the experimental work. TD would like to thank MHRD, Govt. of India for financial support. Partial financial grants from Alexander von Humboldt (AvH) (Friedrich Wilhelm Bessel Award), Department of Science and Technology (POWER Fellowship) to JDM and Department of Science and Technology (J.C.Bose Fellowship) to IM are gratefully acknowledged.
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Datta, T., Manna, I. & Majumdar, J.D. Synthesis of Multi-component Alloys (Co20Cr20Fe20Mn20Ti20 and Co20Cr20Fe20Mn20Ti20Ni20) by Mechanical Alloying Route. High Entropy Alloys & Materials (2024). https://doi.org/10.1007/s44210-023-00025-9
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DOI: https://doi.org/10.1007/s44210-023-00025-9