国家/地区 中国（3）
IPC部 C（3）
IPC大类 C21（3）
IPC小类 C21D（3）
IPC C22C033/04（3）
发明人
公开年 2021（2）
申请年 2020（3）
专利权人

Preparing steel ball for wear-resistant corrosion-resistant ball mill comprises e.g. heating and smelting raw material of steel ball base in electric furnace to obtain molten steel, casting molten steel to obtain casting blank, and rolling.

JIANG J, PENG Z

Preparing field soil-touching agricultural tools with high wear resistance comprises e.g. mixing carbon, manganese, silicon, chromium, boron, titanium, nickel, nitrogen, phosphorus, sulfur, and iron, heating and adding graphene powder.

QIU X, WANG J, LI Y, JIANG Y, WANG L, CHEN C, HUA X, PU Y, LI Z, MA Z, XI M, LIU Z

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