| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 8012169 | Transactions of Nonferrous Metals Society of China | 2016 | 6 Pages |
Abstract
The recrystallization nucleation processes of two cold-rolled Al-Mg-Si/SiCp composites with different contents of Mg are investigated mainly by dynamic mechanical analyzer (DMA) and electron microscopy including high angle annular dark field scanning transmission electron microscopy (HAADF-STEM) and high-resolution transmission electron microscopy (HRTEM). Internal friction and electron microscopy results show that solute atom clusters are present in association with dislocations in supersaturated cold-rolled composites. During recrystallization process, the internal friction peak position of Al-Mg-Si/3SiCp/2Mg (volume fraction, %) is higher than that of Al-Mg-Si/3SiCp (volume fraction, %) due to more solute atom clusters formed in association with the dislocations in the cold-rolled composite with a much higher Mg content, indicating a stronger resistance for the recrystallization nucleation.
Keywords
Related Topics
Physical Sciences and Engineering
Materials Science
Metals and Alloys
Authors
Bin LI, Bing-hui LUO, Ke-jian HE, Wen-li FAN,