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- Title
Mechanical Properties and Microstructures of Highly Fe-Containing Al-Mg-Si Alloys Processed by Severe Plastic Deformation under High Pressure.
- Authors
Yongpeng Tang; Yuto Tomita; Zenji Horita
- Abstract
In this study, A6022-based Al-Mg-Si alloys with three additional Fe contents are processed by high-pressure torsion (HPT) and highpressure sliding (HPS). Both processes yield a similar tensile strength exceeding 400 MPa. Fe intermetallics were finely and homogeneously fragmented to an average size of ~2 µm by the HPT process. The high tensile strength is attributed to such a fine and homogeneous fragmentation of Fe intermetallics. It is also demonstrated that the finely fragmented Fe intermetallics play an important role to maintain finer grain size even after solution treatment.
- Subjects
MATERIAL plasticity; MICROSTRUCTURE; TENSILE strength; TORSION; GRAIN size
- Publication
Materials Transactions, 2023, Vol 64, Issue 2, p448
- ISSN
1345-9678
- Publication type
Article
- DOI
10.2320/matertrans.MT-LA2022054