Ganji, Ramya Sree ; Rajulapati, Koteswararao V. ; Rao, K. Bhanu Sankara (2020) Development of a Multi-phase AlCuTaVW High-Entropy Alloy Using Powder Metallurgy Route and its Mechanical Properties Transactions of the Indian Institute of Metals, 73 (3). pp. 613-618. ISSN 0972-2815
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Official URL: http://doi.org/10.1007/s12666-020-01875-2
Related URL: http://dx.doi.org/10.1007/s12666-020-01875-2
Abstract
Equiatomic AlCuTaVW high-entropy alloy (HEA) composition have resulted in a single-phase solid solution with a bcc crystal structure after 25 h of ball milling. Two fcc phases and an ordered B2 phase have evolved during spark plasma sintering at 1523 K. The morphology of sintered disc contains a continuous bright phase and a discontinuous dark phase. The dark phase is detected to be Al-rich. Microhardness of the sintered product is 13 ± 1 GPa, and it is very high compared to other HEAs, conventional ceramics and cermets. A fracture toughness of 8.36 MPa m1/2 is measured from the cracks generated along the edges of Vickers indentation.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Indian Institute of Metals. |
| ID Code: | 133533 |
| Deposited On: | 29 Dec 2022 05:30 |
| Last Modified: | 29 Dec 2022 05:30 |
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