| Autor: |
Wenduan Yan, Gaosheng Fu, Hao Huang, Mingdeng Zhong |
| Jazyk: |
angličtina |
| Rok vydání: |
2022 |
| Předmět: |
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| Zdroj: |
Materiali in tehnologije, vol. 56, no. 3, pp. 289-294, 2022. |
| ISSN: |
1580-2949 |
| Popis: |
The effect of inclusions on the softening mechanism of a pure aluminum alloy is studied with TEM, EDAX and SAED. Oxide inclusions and iron-rich second-phase particles are the main inclusions in Al 1235 alloy. The phase of iron-rich particles in the alloy is phase AlFe3 with a lattice constant of 5.79 and crystal band axis of Š 231Æ. During thermal deformation, coarser inclusions in the alloy are beneficial to the nucleation of dynamic recrystallization, but they have a great effect on the separation of the alloy matrix. Nucleation and growth of dynamic-recrystallization grains are restricted by finer inclusions, reducing the possibility of aluminum-matrix fracture. The preferred places for dynamic-recrystallization nucleation include boundaries at the intersection of three grains, the dislocation plug area, the surface of the coarse oxide inclusions or the coarse second-phase inclusions. |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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