Bibliographic Details
| Title: |
High Strain Rate Deformation Behavior of Gradient Rolling AZ31 Alloys |
| Authors: |
Yingjie Li, Hui Yu, Chao Liu, Yu Liu, Wei Yu, Yuling Xu, Binan Jiang, Kwangseon Shin, Fuxing Yin |
| Source: |
Metals, Vol 14, Iss 7, p 788 (2024) |
| Publisher Information: |
MDPI AG, 2024. |
| Publication Year: |
2024 |
| Collection: |
LCC:Mining engineering. Metallurgy |
| Subject Terms: |
AZ31, high strain rate, gradient rolling, microstructure, mechanical property, Mining engineering. Metallurgy, TN1-997 |
| More Details: |
A dynamic impact test was performed on as-rolled AZ31 alloys with gradient microstructure under various strains. The microstructural evolution and mechanical properties were systematically investigated. As the strain rate gradually increased, an increasing number of twins were formed, facilitating dynamic recrystallization (DRX), and the mechanical properties were also gradually improved. The microstructure became heterogeneous at higher strain rates, but the peak stress decreased. The impact process resulted in a significantly higher performance due to microstructural refinement, work hardening by dislocations, and precipitates. In addition, both the adiabatic shear band and the adjacent crack experienced a temperature rise that exceeded the recrystallization temperature of the alloys. This observation also explains the presence of ultrafine recrystallized grains within the adiabatic shear band and the appearance of molten metal around the crack. |
| Document Type: |
article |
| File Description: |
electronic resource |
| Language: |
English |
| ISSN: |
2075-4701 |
| Relation: |
https://www.mdpi.com/2075-4701/14/7/788; https://doaj.org/toc/2075-4701 |
| DOI: |
10.3390/met14070788 |
| Access URL: |
https://doaj.org/article/4c46d7da074c4a7d9d33bd8af6d72743 |
| Accession Number: |
edsdoj.4c46d7da074c4a7d9d33bd8af6d72743 |
| Database: |
Directory of Open Access Journals |
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