Study of Precipitation Sequence in Al-Mg-Si Alloys by HRTEM |
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| Journal | Materials Science Forum (Volumes 475 - 479) |
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| Volume | PRICM-5 |
| Edited by | Z.Y. Zhong, H. Saka, T.H. Kim, E.A. Holm, Y.F. Han and X.S. Xie |
| Pages | 361-364 |
| DOI | 10.4028/www.scientific.net/MSF.475-479.361 |
| Citation | Kenji Matsuda et al., 2005, Materials Science Forum, 475-479, 361 |
| Online since | January, 2005 |
| Authors | Kenji Matsuda, Susumu Ikeno |
| Keywords | Aluminum Alloy, GP Zones, High Resolution Transmission Electron Microscopy, Metastable Phase |
| Abstract | The precipitation sequence of Al-Mg-Si alloys has been studied by high-resolution transmission electron microscopy (HRTEM). G.P. zone is a fine-plate having dimensions of a mono- layer in thickness, 2.5nm in width, and less than 30nm in length. Its elongated direction is parallel to the <100>m direction. Several types of metastable phases were observed in the excess Si alloy and they were classified with the b ’-phase in the balanced alloy. Especially, the b ”-phase was the typical phase in the excess Si alloy aged at low temperature or at the early stage during aging. |
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