国家/地区 中国（2）
IPC部 B（2）
IPC大类 C01（2）
IPC小类 C01B（2）
IPC C01B033/18（2）
发明人 ZHANG M（2）
公开年 2021（2）
申请年
专利权人

Preparation of powder metallurgy friction materials involves preparing graphene-nano-silica hybrid material, ball milling, mixing with e.g. iron powder, adding kerosene, compressing, fixing on supporting steel back, sintering, and cooling.

WANG Z, LI J, MIAO P, GAO F, LIU Z, CAI G, ZHANG M, GUO G

Preparing fibrous mesoporous silica grown on surface of graphene oxide, involves adding graphene oxide to deionized water, dispersing, adding e.g. catalyst urea, adding n-pentanol to cyclohexane, adding tetraethyl orthosilicate, and drying.

WANG H, ZHOU B, MA W, ZHEN L, FU Y, YANG Y, DUAN X, ZHANG M