Hafnium Powder is a metal made from hafnium. The most common method to prepare hafnium from sponge hafnium involves hydrogenation and deshydrogenation. Purity>99%
Particle Size : 5-10 Micron
Hafnium Hafnium on the periodic table : Group 4, Atomic Number 68, d-block Mass 178.486.
a shiny silvery metal. It's resistant to corrosion due to the tough, impenetrable film of oxide that forms on its surface. Hafnium metallic
is not affected by acids or bases except hydrofluoric. Hafnium element
can be difficult to separate because they have the same atomic sizes.
Hafnium Powder is a dry, light gray metallic powder. The dry powder reacts when it comes into contact with water, producing hydrogen. This is a flammable liquid. The reaction could produce enough heat for hydrogen to ignite.
Hafnium can be found in all zirconium minerals. It is a ductile, brightly glistening metal. It is extremely strong and resistant to corrosion. Zirconium, hafnium, and their chemical properties are almost identical. (Hafnium being twice as dense than zirconium). This makes them difficult to separate. Hafnium's properties
is affected by zirconium.
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Description of the hafnium powder and its appearance:
It is a silvery metal crystal that has a metallic shine.
hafnium powder MF: Hf
hafnium powder Molecular weight: 178.49
hafnium powder Density: 13.31 g/cm3
Hafnium powder Melting temperature: around 2227
Hafnium powder Boiling points: about 4602
Product characteristics of hafnium:
It is highly anti-corrosive, resistant to acid and alkali erosion, and soluble in Hydrofluoric Acid to form fluoride complex. Hafnium at high temperature can be combined with oxygen and nitrogen to form nitride. Hafnium powder is easy to burn.
How are Nano Hafnium Powder manufactured?
The invention relates a high purity superfine hafnium and a method for preparing it.
Preparation includes the following:
1..The hafnium dioxide powder and reducing agents powder in a molar ration of 1:1 to 1:2 were mixed evenly, and packed into the furnace crucible.
2. The crucible should be placed in the reaction vessel, covered and vacuumed, then filled with argon to wash, heat and reduce, followed by constant temperature reduction.
3. After vacuum, argon is pumped to cool the air under the protection provided by argon.
4 washing: first, pickle the product and then wash it with deionized hydo water. Then, screen, dry, that's ultra-fine, high purity hafnium.
Nano Hafnium Use:
Hafnium powder can be used to produce hafnium-alloy materials such as sputtering targets
. It has high heat absorption properties and is exothermic (1 times faster that zirconium, titanium and other alloys).
Hafnium's refractory properties make it a useful material for turbojet aircraft blades used in freezing point pressure jet engine. Hafnium powder is also used to manufacture valves and nozzles as well as other high-temperature parts.
Hafnium rods are used for the majority of nuclear reactor control rods.
Hafnium alloys are used to manufacture iron, tantalum (niobium), and titanium. C103 alloy is used for liquid rocket thruster nodes, like the main engine in the Apollo lunar module. C103 contains 89 per cent niobium and 10 per cent hafnium.
Hafnium, because of its high heat resistance and affinity with oxygen and nitrogen is an excellent scavenger for oxygen and nitrogen. It can be used in both incandescent lights and inflatable lamps. Hafnium, which can release electrons in the air, is also used for plasma cutting.
Storage condition of Hafnium Hf powder:
Hafnium Hf Powder cannot be exposed to the air. The powder should be packed in a vacuum and kept in a dry and cool room. Hf Powder should also not be exposed to stress.
1) High strength wooden case : bags with double-layer plastic seals, pressurized. 50 kg/wooden cas.
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