Microstructures and mechanical properties of carbon nanotubes reinforced pure aluminum composites synthesized by spark plasma sintering and hot rolling
| Autor: | Yong Du, Baisong Guo, Jianhong Yi, Zhonghua Tang, Min Song, Song Ni, Rujuan Shen |
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| Rok vydání: | 2017 |
| Předmět: |
Materials science
Mechanical Engineering Composite number Spark plasma sintering Sintering Mechanical properties of carbon nanotubes 02 engineering and technology Carbon nanotube 010402 general chemistry 021001 nanoscience & nanotechnology Condensed Matter Physics Microstructure 01 natural sciences 0104 chemical sciences law.invention Mechanics of Materials law General Materials Science Composite material 0210 nano-technology Ductility Strengthening mechanisms of materials |
| Zdroj: | Materials Science and Engineering: A. 698:282-288 |
| ISSN: | 0921-5093 |
| DOI: | 10.1016/j.msea.2017.05.068 |
| Popis: | In this study, flat products of carbon nanotubes (CNTs) reinforced pure aluminum (Al) composites were fabricated by spark plasma sintering and hot rolling. The effects of sintering temperature and CNTs content on the microstructures and mechanical properties of the composites were investigated. It has been shown that the composite reinforced by 0.75 vol% CNTs and sintered at 630 °C has the best comprehensive mechanical properties, due to the combined positive effects of the good Al-CNTs interfacial bonding, full densification of the composite and the uniform dispersion of the CNTs. It has been found that the load transfer strengthening and dispersion strengthening of CNTs are the dominant strengthening mechanisms in the composites. The study provides a guidance for manufacturing the flat products of Al/CNTs composites with high strength and good ductility. |
| Databáze: | OpenAIRE |
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