[G] Biomaterials Development and Clinics

[316] Microstructure of Biomedical Co-Cr-W-Ni Alloys with Carbon Addition during Heat Treatment

*Sukma　Suci Friandani¹, Kyosuke Ueda², Takayuki Narushima² (1. Dept. of Materials Processing, Tohoku Univ. (D1)、2. Dept. of Materials Processing, Tohoku Univ.)

Keywords:Co-Cr alloys、Stents、Precipitate、Recrystallization、Carbon addition

Effect of Carbon addition on microstructure of Co-Cr-W-Ni alloys system was investigated. Carbon addition stabilized γ-phase and formed η-phase precipitates.