[P] P50~P65

[P57] New TEM-based evidence for distinction between S’ and S phase in Al-Cu-Mg (-Si) alloys

*HAI VU¹, Seungwon Lee¹, Taiki Tsuchiya¹, Tetsuya Katsumi², Kazuhiko Kita², Susumo Ikeno¹, Kenji Matsuda¹ (1. University of Toyama, 2. YKK Corporation)

Keywords:

S' phase,S phase,aluminum,precipitation,FFT

In this study, a distinction of the S’ and S phases is investigated, focusing on orientation relationship and interface characteristics using transmission electron microscopy (TEM).