国家/地区 中国（4）
IPC部 C（4） B（2）
IPC大类 C22（4） B22（2）
IPC小类 C22C（4） B22F（2） C22B（2）
IPC C22C001/10（4）
发明人 ZHANG C（4）
公开年 2021（4）
申请年 2021（3） 
专利权人 HUNAN ZHONGX.（3）

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

Production of vanadium-aluminum alloy comprises acid leaching vanadium slag, removing iron, adding potassium hydroxide solution into acidolysis liquid, ball milling vanadium containing filter residue, mixing with dilute sulfuric acid solution and carrying out thermal reduction.

ZHANG C

Preparation of high-strength wear-resistant and high-temperature resistant titanium aluminum alloy material, involves wet ball milling and mixing titanium aluminum pre-alloyed powder, graphene nanosheets and molybdenum to obtain mixed powder, pressing mixed powder into blank, and sintering.

ZHANG C, CUI X, ZHU W, MA C, HE X

Preparation of ferro-vanadium nitride alloy involves adding e.g. vanadium/iron source compounds to deionized water, stirring, adding citric acid, ultrasonically stirring, drying, grinding, adding graphene to solid powder, and calcining.

ZHANG C