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Abstract
Mg-3Gd (wt. %) samples were prepared by accumulative roll-bonding (ARB) and subsequent annealing to produce samples with average grain sizes in a wide range from 3.3 μm to 45.1 μm. These samples were tensile tested at room temperature. Dislocation structures and deformation twins in the tested tensile samples were characterized by transmission electron microscopy. Dislocations with different types of Burgers vector were identified based on two-beam diffraction contrast experiments. The results revealed that deformation twins and dislocations are dominant in coarse-grained samples while and dislocations characterize the fine grain deformation structure. The transition of deformation mechanisms and its implications for microstructural design and property optimization are discussed.
Original language | English |
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Article number | 012040 |
Journal | I O P Conference Series: Materials Science and Engineering |
Volume | 580 |
Issue number | 1 |
Number of pages | 6 |
ISSN | 1757-8981 |
DOIs | |
Publication status | Published - 2019 |
Event | 40th Risø International Symposium on Material Science: Metal Microstructures in 2D, 3D, and 4D - Roskilde, Denmark Duration: 2 Sept 2019 → 6 Sept 2019 |
Conference
Conference | 40th Risø International Symposium on Material Science: Metal Microstructures in 2D, 3D, and 4D |
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Country/Territory | Denmark |
City | Roskilde |
Period | 02/09/2019 → 06/09/2019 |
Bibliographical note
GA no. 788567Fingerprint
Dive into the research topics of 'Grain size effect on deformation mechanisms in Mg-3Gd'. Together they form a unique fingerprint.Projects
- 1 Finished
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M4D: Metal Microstructures in Four Dimensions
Juul Jensen, D. (PI) & Hede, L. G. (Other)
01/10/2018 → 30/09/2023
Project: Research