国家/地区 中国（4）
IPC部 B（4）
IPC大类 B22（4）
IPC小类 B22F（4） C22C（4） F16D（3）
IPC C22C049/14（4）
发明人
公开年 2022（3）
申请年 2022（3） 
专利权人

Method for preparing graphene metal composite material useful in field of alloy preparation for electrical, mechanical, and thermodynamic applications, comprises e.g. growing graphene on surface of metal material, heating, and applying pressure to metal material grown with graphene.

QU Y, TAN H, WANG W, SHEN D

Multi-metal-based wear-resistant disc brake pad useful e.g. for passenger and cargo, comprises e.g. organic binder, rare earth modified metal reinforcing material braided fiber, nano-carbon-based modified metal powder, inorganic reinforcing fiber, and friction performance modifier.

HUANG X, WANG Z, ZHANG X, ZHOU L, SUN Q

Friction material used for brake or transmission device, comprises metal material comprising copper powder and iron powder, bonding material comprising resin, abrasive, fiber-reinforced material, friction-increasing material, friction-reducing material, function-enhancing material, and other filler.

WANG J, WANG H

Brake material comprises steel fiber, asbestos, graphite, graphene, chromium oxide, molybdenum dioxide, copper, barium sulfate, sepiolite fiber, adhesive and regulators, where the steel fiber includes wavy steel fiber, hook-end steel fiber.

JIANG H, SUN X, LIU F, LU C, CHANG X