国家/地区 中国（8）
IPC部 C（8）
IPC大类 C23（8）
IPC小类 C23C（8） C22C（4） B22F（2）
C04B（2） C21D（2）
IPC C23C024/10（8）
发明人 LIU Z（2） SUN F（2） WANG L（2）
YANG Y（2）
公开年 2021（5） 2020（3）
申请年 2020（8）
专利权人

Composite coating useful for petroleum drilling tool wear-resistant sleeve, comprises cladding bottom layer and cladding surface layer comprising nickel-based alloy powder, tungsten carbide powder and graphene powder.

LANG J, WANG N

Surface protection method of isolating switch electrical contact, involves depositing carbon base/copper complex powder on surface of isolating switch electric contact to form complex coating layer by supersonic laser deposition method.

LIU B, LI W, XU T, ZOU H, TIAN K, ZHANG H, LIU Z, WEI P, YAO J, LI B, ZHANG Q, WANG G, GE Y

Preparing high speed lift traction wheel wear-resistant coating comprises ball milling tungsten oxide powder and graphene powder in ball mill, drying, sintering under vacuum condition, removing oxide skin and oil cleaning and laser cladding.

LU Y, YANG X, BI C, ZHANG J, LI D, NING T, SUN F, YANG Y, CAO B

Preparing space-resistant extremely low temperature graphene/chromium carbide lubricating coating comprises e.g. taking chromium carbide-based powder and nickel-coated graphene powder, centrifuging, washing with distilled water and drying.

WANG D, ZHAO Y, LIANG Y

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

Method for enhancing bonding fastness of graphene to substrate, involves turning on laser to focus optical path of laser, burning laser by focusing on planned point of sample to quickly form plasma, and introducing functional groups.

FU Y, GONG H, LI L, XU L, WANG L

Preparing graphene/metal matrix composite contact material comprises pure nickel powder is preset on surface of contact material, laser alloying, carrying out transition coating of contact material, using surface of transition coating.

YE X, YANG Y, SUO G, FENG L, HOU X, ZHANG L

Preparing high corrosion resistance medium entropy quench and partitioning steel comprises e.g. preparing graphene oxide/alluminum composite powder, preparing graphene solution by adding graphene to deionized water.

LIU H, LIU L, YANG H, SUN F, JING X, PEI C