[G] Aluminum and Its Alloys / Emerging Fields

1:45 PM - 2:00 PM JST(4:45 AM - 5:00 AM UTC)

[28] Precipitation Behavior and Local Mechanical Properties Near Grain Boundaries in Al-Mg-Si Alloys

○Yuji Shirakami¹, Shuto Takeuchi¹, Ken-ichi Ikeda¹, Seiji Miura¹ (1. Hokkaido Univ.)

Keywords:

aluminum alloy,age hardening,grain boundary,nanoindentation

Nanoindentation tests were performed to investigate the relationship between precipitation behavior and local mechanical properties near grain boundaries in Al-Mg-Si alloys. The results showed that the hardness distribution near grain boundaries differed from that in the grain interior.