国家/地区 中国（2）
IPC部 B（2） C（2）
IPC大类 B22（2） C21（2） C22（2）
IPC小类 C21D（2）
IPC
发明人 ZHANG D（2）
公开年 2022（2）
申请年
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

High hardness and high nickel-chromium-molybdenum composite roll structure, has rotating ring whose one side is fixedly welded with hard scraper, and hard scraper has T-shaped structure movably attached to inner wall of circular cavity.

ZHANG D, CHEN M