[G] Aluminum and Its Alloys / Emerging Fields

3:15 PM - 3:30 PM JST(6:15 AM - 6:30 AM UTC)

[33] Serrated Flow in Al–Mg Alloys by Indentation Testing and Its Mechanism

○Yasuhito Kawahara¹, Hidenari Takagi², Takahito Ohmura³, Shigeto Yamasaki¹, Masaki Tanaka¹, Satoshi Hata¹ (1. Kyushu university, 2. Nihon university, 3. National Institute for Materials Science)

Keywords:

Alluminum alloy,Dynamic strain aging,Portevin-Le Châtelier effect,Transmission electron microscopy,Indentation test

Combined analysis between Indentation and TEM was performed on Al-2.1at%Mg, which revealed migrating low-angle tilt grain boundaries with Mg segregation, linking LAtGB migration to PLC serrations.