国家/地区 中国（3）
IPC部 C（3）
IPC大类 C21（3）
IPC小类 C21D（3）
IPC C21D001/26（3）
发明人
公开年 2022（3）
申请年 2021（2） 
专利权人

In-situ interface modification method of graphene copper-based composite material involves adding copper powder after annealing and reduction into mixed solution of carbon source and copper salt in oil bath heating environment, and coating carbon source with copper ion powder.

ZHANG D, LI Z, PENG Y, DONG Z, XIONG D

Producing high-performance engineering fastener material useful for fastening at least two parts or components in engineering field, comprises e.g. choosing steel bar as engineering fastener raw material, carrying out degreasing, decontamination and rust removal treatment, compacting and cooling.

SHEN J, HU L, LI H, ZHANG Y

Processing titanium alloy space sampling drill comprises e.g. spraying graphene dispersion liquid to titanium alloy drill bit subjected to nitriding treatment, and drying titanium alloy drill bit sprayed to obtain nitride-graphene composite coating on surface of titanium alloy drill bit.

WANG W, MENG D, FU Z, KANG J, WANG H, YUE W, WANG Q, GAO W, SHE D