Characteristics of copper-clad aluminum rods prepared by horizontal continuous casting
| Autor: | Kateryna Svynarenko, Jinchuan Jie, Tingju Li, Li Wu, Tongmin Wang, Ying Fu, Zhang Yubo, Qingtao Guo |
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| Rok vydání: | 2017 |
| Předmět: |
Materials science
Scanning electron microscope 020502 materials Metallurgy Metals and Alloys chemistry.chemical_element 02 engineering and technology 021001 nanoscience & nanotechnology Condensed Matter Physics Copper Rod Continuous casting 0205 materials engineering chemistry Mechanics of Materials Casting (metalworking) Aluminium Materials Chemistry Extrusion 0210 nano-technology Eutectic system |
| Zdroj: | Metals and Materials International. 23:1197-1203 |
| ISSN: | 2005-4149 1598-9623 |
| DOI: | 10.1007/s12540-017-6922-3 |
| Popis: | An innovative horizontal continuous casting method was developed and successfully used to prepare copper-clad aluminum (CCA) rods with a diameter of 85 mm and a sheath thickness of 16 mm. The solidification structure and element distribution near the interface of the CCA ingots were investigated by means of a scanning electron microscope, an energy dispersive spectrometer, and an electron probe X-ray microanalyzer. The results showed that the proposed process can lead to a good metallurgical bond between Cu and Al. The interface between Cu and Al was a multilayered structure with a thickness of 200 μm, consisting of Cu9Al4, CuAl2, α-Al/CuAl2 eutectic, and α-Al + α-Al/CuAl2 eutectic layers from the Cu side to the Al side. The mean tensile-shear strength of the CCA sample was 45 MPa, which fulfills the requirements for the further extrusion process. The bonding and diffusion mechanisms are also discussed in this paper. |
| Databáze: | OpenAIRE |
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