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Exploring crystal structures, stability and mechanical properties of Fe, Mn-containing intermetallics in Al-Si Alloy by experiments and first-principles calculations by Zhang, Xiaozu (author);Wang, Dongtao (author);Zhou, Yunxuan (author);Chong, Xiaoyu (author);Li, Xinzhong (author);Zhang, Haitao (author);Nagaumi, Hiromi (author) is a Materials Science article available to read on EtoBox.
What is Exploring crystal structures, stability and mechanical properties of Fe, Mn-containing intermetallics in Al-Si Alloy by experiments and first-principles calculations about?
Separation of Fe-containing intermetallics is an effective method to decrease Fe content in Al-Si alloys. Regular morphology and higher precipitation temperature are necessary for physical separation of Fecontaining phases. So far, there have been few studies about the three-dimensional (3D) morphology evolution, crystal structure variation and physical mechanism for the precipitation temperature improvement of Fe-containing phases. Combined with experiments and first-principles calculations, the effects of Mn on 3D morphology, crystal structure and precipitation temperature of Fe-containing phases are systematically investigated. The DSC and first-principles calculations show that the precipitation temperature of Fe-containing phase improves prominently after the addition of Mn and the high precipitation temperature of α-AlFeMnSi attributes to its stronger chemical bonding strength of Mn-Si validated by binding energy and Mulliken population analysis, which also leads to high Young's modulus and hardness of α-AlFeMnSi. It demonstrates that the crystal structure of Fe-containing intermetallics is transformed from monoclinic β-AlFeSi to cubic α-AlFeMnSi and the morphology changes fr
Who reads Exploring crystal structures, stability and mechanical properties of Fe, Mn-containing intermetallics in Al-Si Alloy by experiments and first-principles calculations?
It is typically read by researchers, students, and practitioners in Materials Science.
- Author
- Zhang, Xiaozu (author);Wang, Dongtao (author);Zhou, Yunxuan (author);Chong, Xiaoyu (author);Li, Xinzhong (author);Zhang, Haitao (author);Nagaumi, Hiromi (author)
- Publisher
- Elsevier BV
- Published
- 2021
- Language
- EN
- Field
- Materials Science (Physical Sciences)