| Autor: |
Nandal, Vickey, Harun, Bushra, Sarvesha, R., Singh, Sudhanshu S., Huang, E.-Wen, Chang, Yao-Jen, Yeh, An-Chou, Jain, Jayant, Neelakantan, Suresh |
| Předmět: |
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| Zdroj: |
Metallurgical & Materials Transactions. Part A; Jan2022, Vol. 53 Issue 1, p314-321, 8p |
| Abstrakt: |
Sequential transformation in precipitate structure from L12 → B2-NiAl precipitate has been observed for Al0.5Co1.5CrFeNi1.5 alloy with the increase in aging temperature. At 650 °C, the FCC matrix contained L12 precipitates (γ′), which were transformed into ordered B2 structure precipitate at 750 °C. A coarser and more stable B2-NiAl rich precipitate has been observed for higher aging temperature (850 °C). This transformation is attributed to the higher thermodynamic stability of B2-NiAl precipitates overcoming the nucleation barrier at higher temperatures. [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
| Externí odkaz: |
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