Abstract
Mn, Ti and V were added in an equal-molar ratio to the AlCrFeCoNiCu alloy and the effects of these added elements on microstructure and properties of AlCrFeCoNiCu high entropy alloy were studied. The results indicate that the AlCrFeCoNiCuMn alloy shows almost the same microstructure as in AlCrFeCoNiCu alloy except for a long-strip Cr-enriched phase. The additions of Ti change the AlCrFeCoNiCu alloy from a dendrite structure to eutectic-cell one. Hence two phases in the eutectic cells are detected as one Al, Ti, Co, Ni enriched phase and another Cr, Fe enriched phase. V added alloy is also a dendrite structure, but V additions change the morphology of dendritic area from modulated plates to ellipsoidal particles. The addition of V into the AlCrFeCoNiCu alloy shows the best strengthening effect and the lowest decrease in the ultimate strain in our experiments.
| Original language | English |
|---|---|
| Pages (from-to) | 482-486 |
| Number of pages | 5 |
| Journal | Materials Science and Engineering: A |
| Volume | 498 |
| Issue number | 1-2 |
| DOIs | |
| State | Published - 20 Dec 2008 |
| Externally published | Yes |
Keywords
- Compressive properties
- High entropy alloy
- Microstructure
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