国家/地区 中国（4）
IPC部 C（4） B（3）
IPC大类 C09（4）
IPC小类 C09D（4）
IPC C23C024/10（4）
发明人
公开年 2022（2）
申请年 2022（2） 
专利权人

Surface coating of copper roller of belt furnace used for neodymium-iron-boron material, comprises silica gel coating comprising silicate and water catalyzing by acidic catalyst.

QIU X

Preparing high-strength aluminum alloy die casting used for automobile engine bracket, involves putting aluminum alloy matrix into acetone, ultrasonically cleaning aluminum alloy matrix, and ultrasonically cleaning aluminum alloy matrix through absolute ethyl alcohol and deionized water in sequence.

WU G, CHEN D, ZHANG J, LI J, WANG X, LI D

Sliding plate useful for rolling mill comprises sliding plate main body whose surface provided with a cladding layer including carbon, chromium, manganese, silicon, molybdenum, nickel, aluminum, cobalt, copper, vanadium, phosphorus, sulfur, niobium, titanium and iron.

ZOU J

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