国家/地区 中国（3）
IPC部 C（3）
IPC大类 C21（3） C22（3）
IPC小类 C21D（3）
IPC C22C033/04（3）
发明人
公开年 2020（3）
申请年 2020（2） 
专利权人

Brake disc containing metallic niobium composition comprises e.g. main material composed of iron, carbon, silicon, manganese, niobium and molybdenum, and auxiliary material composed of zirconia toughened ceramic powder, and graphene powder.

FENG G

High speed tool steel comprises carbon, silicon, manganese, phosphorus, sulfur, selenium, titanium, zirconium, vanadium, molybdenum, cobalt, tantalum, fullerene, graphene, iron, and unavoidable impurity element.

CHEN F, CHEN L

Processing of low-chromium alloy wear-resistant ball involves smelting carbon, silicon, manganese, chromium, copper, titanium, sulfur, phosphorus, and balance iron, casting, grinding, adding graphene, casting, cooling, and tempering.

ZHU W