国家/地区 中国（2）
IPC部 B（2）
IPC大类 B22（2） C22（2）
IPC小类 B22F（2）
IPC C22C001/10（2）
发明人
公开年 2021（2）
申请年 2021（2）
专利权人

Increasing nitrogen content of vanadium iron nitride used for e.g. high-strength thread steel, involves mixing vanadium source, carbonaceous reducing agent, iron powder, and tin dioxide, ball milling, vacuumizing, introducing mixed gas of nitrogen and ammonia and heating.

ZHANG C

Preparing graphene-reinforced magnesium-aluminum-zinc alloy comprises e.g. mixing graphene and magnesium powder by ultrasonic dispersion mixing to obtain mixed solution, stirring mixed solution under action of constant temperature.

YAN H, XIONG J