A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
The present application is a new improvement in the fine-grained cubic boron nitride sintered compact which may be employed to manufacture a cutting tool. The compact contains at least 80 vol%cBN witha metallic binder system and is sintered under HPHT conditions. The improvement incorporates alloys of aluminum in the metallic binder system. The invention has proved beneficial in the machining ofcast iron.
本申请是在可以被用来制造切削工具的细粒立方氮化硼烧结坯上的新改善。所述坯包含至少80体积％cBN以及金属粘结剂体系并在HPHT条件下烧结。所述改善在所述金属粘结剂体系中引入了铝的合金。本发明在铸铁的机加工中被证明是有益的。
The present application is a new improvement in the fine-grained cubic boron nitride sintered compact which may be employed to manufacture a cutting tool. The compact contains at least 80 vol%cBN witha metallic binder system and is sintered under HPHT conditions. The improvement incorporates alloys of aluminum in the metallic binder system. The invention has proved beneficial in the machining ofcast iron.
本申请是在可以被用来制造切削工具的细粒立方氮化硼烧结坯上的新改善。所述坯包含至少80体积％cBN以及金属粘结剂体系并在HPHT条件下烧结。所述改善在所述金属粘结剂体系中引入了铝的合金。本发明在铸铁的机加工中被证明是有益的。
PCBN SINTERED COMPACT
PCBN烧结坯
DUES LAWRENCE (author)
2021-02-09
Patent
Electronic Resource
Chinese
European Patent Office | 2015