[G] Aluminum and Its Alloys

3:00 PM - 3:15 PM JST(6:00 AM - 6:15 AM UTC)

[385] In-situ X-ray diffraction analysis of tensile deformation behavior in cold-rolled and aged Al-Cu-Mg alloys

*Yuki Ishii¹, Ryota Shinozaki², Yohei Abe¹, Nozomu Adachi¹, Hiroki Adachi³, Yoshikazu Todaka¹ (1. Toyohashi Univ. of Technol., 2. Toyohashi Univ. of Technol. (Graduate student), 3. Univ. of Hyogo)

Keywords:

アルミニウム合金,Al-Cu-Mg,強圧延,時効,塑性不安定,変形帯,溶質原子,転位

強圧延後時効したＡｌ－Ｃｕ－Ｍｇ合金の変形帯伝播，応力変動について，引張変形中Ｉｎ－ｓｉｔｕ　ＸＲＤを行うことで，転位固着やＣｕ／Ｍｇ比，ひずみ速度の観点から変形帯伝播メカニズムを検討した．