公开(公告)号：US4274876A

公开(公告)日：1981-06-23

申请号：US15178

申请日：1979-02-26

申请人： Yujiro Kodama ,  Nobuhito Kuroishi ,  Masato Sabao ,  Yasumasa Kureha

发明人： Yujiro Kodama ,  Nobuhito Kuroishi ,  Masato Sabao ,  Yasumasa Kureha

IPC分类号： B22F5/00 ,  C22C33/02 ,  C22C38/00

CPC分类号： C22C33/0278 ,  C22C33/0207 ,  C22C33/0228

摘要： The invention relates to sintered hard metals obtainable by mixing, pressing and sintering the powders of Cr: 0.2-5%, Ni: 0.5-10%, Mo: 4-12%, Co: 1-10% or C: 0.7-2%, iron powder within the scope of residual Fe, Fe-Mo, Cr-Mo-Co, Mo-Co, Ni-Mo-Cr alloy powders or a carbide powder having Vickers hardness higher than 400 as hard phase components, or calcium fluoride or barium fluoride. The invention has as its object the provision of sintered hard metals having the aforesaid composition for use in sliding members having high wear resistance and processability.

摘要翻译： 本发明涉及通过混合，压制和烧结Cr：0.2-5％，Ni：0.5-10％，Mo：4-12％，Co：1-10％或C：0.7-2的粉末得到的烧结硬质金属 ％，铁粉中Fe，Fe-Mo，Cr-Mo-Co，Mo-Co，Ni-Mo-Cr合金粉末或维氏硬度高于400的硬质合金粉末作为硬质组分，或氟化钙 或氟化钡。 本发明的目的是提供具有上述组成的烧结硬金属用于具有高耐磨性和加工性的滑动部件。