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A Quantitative Investigation of Dislocation Density in an Al Matrix Composite Produced by a Combination of Micro-/Macro-Rolling
Abstrakt
An aluminum matrix composite with dispersed carbon nanotubes (CNTs) was produced via flake powder metallurgy using a micro-rolling process and vacuum hot pressing (VHP), followed by conventional rolling using a macro-rolling process. The microstructure and mechanical properties of the produced composites were studied. In addition, a new quantitative model was introduced to study the dislocation density based on the microstructural parameters. The results revealed that the distribution characteristics of the CNTs in the Al matrix and the Al-CNT interfaces were the two main governing parameters of dislocation density. Moreover, the dependence of dislocation density on the geometry of the grains and crystallographic texture was shown in this model. The microstructural evolution revealed that a lamellar grain structure had been achieved, with a high capacity for the storage of dislocation. A uniform distribution of CNTs with high bonding quality was also seen in the final microstructure.
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Autorzy (6)
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Behzad Sadeghi
- Centre of Excellence for Advanced Materials Application, Slovak Academy of Sciences
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Ali Shabani
- Department of Materials Engineering, Isfahan University of Technology
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Ali Heidarinejad
- Department of Materials Engineering, Isfahan University of Technology
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Pasquale Cavaliere
- Department of Innovation Engineering, University of Salento
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Pełna treść
- Wersja publikacji
- Accepted albo Published Version
- DOI:
- Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.3390/jcs6070199
- Licencja
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Informacje szczegółowe
- Kategoria:
- Publikacja w czasopiśmie
- Typ:
- artykuły w czasopismach
- Opublikowano w:
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Journal of Composites Science
nr 6,
ISSN: - Język:
- angielski
- Rok wydania:
- 2022
- Opis bibliograficzny:
- Sadeghi B., Shabani A., Heidarinejad A., Laska A., Szkodo M., Cavaliere P.: A Quantitative Investigation of Dislocation Density in an Al Matrix Composite Produced by a Combination of Micro-/Macro-Rolling// Journal of Composites Science -Vol. 6,iss. 6, 199 (2022), s.1-16
- DOI:
- Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.3390/jcs6070199
- Weryfikacja:
- Politechnika Gdańska
wyświetlono 275 razy
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