国家/地区 中国（3）
IPC部 C（3）
IPC大类 C22（3） C23（2）
IPC小类 C22C（3）
IPC C22C038/02（2）
发明人 RUAN J（3）
公开年 2019（2）
申请年 2019（2） 
专利权人 UNIV DONGHUA（2）

Method for processing high-strength corrosion-resistant stainless steel pipe fittings, involves taking pretreatment pipe fittings, performing ultrasonic rolling on outer surface, washing pretreatment pipe fittings with deionized water after rolling and vacuum drying pretreatment pipe fittings.

XU J, HU X, SANG C, RUAN J, ZHOU Q

Diamond coating, where the coating uses a hard alloy as a base material to deposit a diamond thin film, where the raw material components of the hard alloy comprises graphene, cobalt, tungsten carbide.

ZHANG J, YUAN Y, RUAN J

Graphene reinforcing high-performance lightweight iron-based powder metallurgy material for use in vehicle, has predetermined percentage of graphite powder, phosphorus, sulfur, manganese, silicon, and rest is iron.

ZHANG J, YUAN Y, XIE J, RUAN J