国家/地区 中国（5）
IPC部 C（5）
IPC大类 C22（5） C21（2）
IPC小类 C22C（5） C21D（2）
IPC C22C038/12（5）
发明人
公开年 2018（5）
申请年 2017（4） 
专利权人

Powder metallurgy flange with high tensile strength and high air tightness, comprises iron-based powder, molybdenum powder, vanadium powder, glutinous rice powder, zinc powder, bismuth diboride, ferroferric oxide, graphene and additives.

WANG E

Composite material core bar comprises substrate comprising silicon, iron, niobium, tungsten carbide and nickel, copper and/or cobalt, and graphene mixture containing polyoxyethylene lauryl ether, polyvinyl alcohol and graphene.

LIU H, GUO X, CHEN Q, LIU Z

Planetary gear of planetary reducer comprises iron, zinc, aluminum, silicon, graphene, copper, magnesium, vanadium, tantalum, molybdenum and titanium.

ZHOU Q

Toughness mold comprises iron powder, carbon, silicon, manganese, phosphorus, sulfur, chromium carbide, graphene, boron carbide, alumina, molybdenum, nickel oxide, tin and deionized water, is prepared by adding raw materials.

WANG F

High temperature-resistant motorcycle muffler sealing piece comprises manganese, graphene, nickel, calcium carbonate, scandium, hafnium, vanadium, rhenium, and iron and unavoidable impurities.

WEN Y