2024 : 5 : 2
Arman Hasani

Arman Hasani

Academic rank: Assistant Professor
ORCID:
Education: PhD.
ScopusId: 23481834900
Faculty: Faculty of Engineering
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Research

Title
Comparison of plastic anisotropy and crystallographic texture evolution of aluminum 1100 between 90˚ and 135˚ ECAE processes
Type
JournalPaper
Keywords
Anisotropy, ECAE, Nano-indentation test, texture evolution, Aluminum 1100
Year
2023
Journal Iranian Journal of Materials Forming
DOI
Researchers Arman Hasani ، SINA FEYZI

Abstract

A rolled sheet of aluminum 1100 was processed by two ECAE dies with inner corner angles of 90̊ and 135̊. The samples were processed using route A up to 4 and 10 passes in ECAE 90˚ and 135˚, respectively. The mechanical behaviors of initial and processed materials were evaluated by Nano-indentation and compression tests carried out at three different orthogonal directions, at room temperature. Crystallographic texture evolution during two different ECAE processes has been also studied. A considerable reduction in mechanical anisotropy is displayed for processed materials compared to the initial material by Nano-indentation tests. Though there is appreciable progress in mechanical isotropy for processed materials by 135˚ ECAE, compared to the 90˚ case. Studying crystallographic texture evolutions reveals that ECAE 135° is more capable than ECAE 90° in the development of cube components; however, the rate of texture evolution is slower in ECAE 135°. Dissimilar prominent texture components are also developed by two different ECAE processes.