Abstract
Despite valuable electrical characteristics, the use of pure aluminum in different applications has been limited due to its low strength. Non-equal channel angular pressing (NECAP) is a recently proposed severe plastic deformation process with greater induced plastic strain and, consequently, better grain refinement in the product, compared with the well-known equal channel angular pressing technique. This research is concerned with the effects of the process temperature and ram velocity on the mechanical, workability and electrical properties of AA1060 aluminum alloy. Increasing the process temperature can concurrently increase the workability, ductility and electrical conductivity, while it has a reverse influence on the strength of the NECAPed specimen, although the strengths of all the products are higher than the as-received alloy. The influence of the ram speed on the mechanical properties of the processed samples is lower than the process temperature. Finally, a compromised process condition is introduced in order to attain a good combination of workability and strength with well-preserved electrical conductivity for electrical applications of components made of pure aluminum.
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Fereshteh-Saniee, F., Asgari, M. & Fakhar, N. Specialized mechanical properties of pure aluminum by using non-equal channel angular pressing for developing its electrical applications. Appl. Phys. A 122, 779 (2016). https://doi.org/10.1007/s00339-016-0305-3
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DOI: https://doi.org/10.1007/s00339-016-0305-3