[G] Mechanical Properties of Materials and Structure

[220] Changes in Microstructure and Mechanical Properties of Cu-Ni-(Co)-Si Alloys by Cold Rolling

*Zekun LANG¹, Chihiro WATANABE², Norimitsu KOGA², Kazuki Kammuri³, Yuta NAKAMURA³, Yasuhiro OKAFUJI³ (1. Graduate School of Natural Science and Technology, Kanazawa University, 2. Institute of Science and Engineering, Kanazawa University, 3. JX Nippon Mining & Metals Corporation)

Keywords:Cu-Ni-(Co)-Si alloy、Cold rolling、Precipitation strengthening、Co substitution of Ni、Aging、Microstructure、Re-solid solution

コルソン合金の時効後の圧延による加工硬化挙動を明らかにするために，Co添加量の異なるコルソン合金を用いて，ピーク時効後の冷間圧延中の組織変化について系統的に調査を行った．