Bismuth Powder Milling Machine Bits

Development of LeadFree Machinable Brass with Bismuth and Graphite Particles by Powder Metallurgy Process Hisashi Imai 1 Li Shufeng Haruhiko Atsumi Yoshiharu Kosaka2 Akimichi Kojima2 and Katsuyoshi Kondoh1 1Joining and Welding of Research Institute Osaka University Ibaraki 5670047 Japan 2SANETSU METALS CO LTD Tonami 9391315 Japan The aim of this paper