Publication number: 20250109463
Abstract: This pure copper material includes Cu in an amount of 99.96 mass % or more, either one or both of one or more A-group elements selected from Ca, Ba, Sr, Zr, Hf, Y, Sc, La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu, and one or more B-group elements selected from O, S, Se, and Te are included in a total amount of 10 mass ppm or more and 300 mass ppm or less, an average crystal grain size in a rolled surface is 15 ?m or more, and a high-temperature Vickers hardness at 850° C. is 4.0 HV or more and 10.0 HV or less.
Type:
Application
Filed:
July 27, 2023
Publication date:
April 3, 2025
Applicant:
MITSUBISHI MATERIALS CORPORATION
Inventors:
Yuki ITO, Takumi ODAIRA, Kenichiro KAWASAKI, Kazunari MAKI