CAS 7440-67-7 Industrial Metal Powders Zirconium Powder Zr For Powder Metallurgy

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Name:Zirconium PowderMF:Zr
CAS:7440-67-7Melting Point:1852 ℃
Boiling Point:4377 ℃Density:6.49g/cm3
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metal raw materialfine metal powder

 

CAS 7440-67-7 Zirconium Powder Zr used as the additives of alloys and in the powder metallurgy

Brief Description of Zirconium Powder zirconium metal powder

Zirconium is a chemical element with the symbol Zr and atomic number 40.

It is a lustrous, gray-white, strong transition metal that resembles titanium.

It is never found as a native metal.

It is obtained mainly from the mineral zircon, which can be purified by chlorine.

It is very corrosion resistant and is utilized extensively by the chemical industry where corrosive agents are used.

Zirconium is routinely found with some level of hafnium, since separation if the two elements is difficult.

Specification of Zr Zirconium Powder zirconium metal powder

BrandChemical Composition %
ZrClMgCaAlFeSnSi
Zr Powder990.020.10.020.050.20.30.08
Size -200Mesh,-300Mesh,-400Mesh

 

Synonyms of Zr Zirconium Powder zirconium metal powder

Zirconium metal, (Zr), zirconium powder, zirconium powder-dry, zirconium powder-wetted, zirconium powder-suspended, zircat, zirconium sheet, zirconium foil, zirconium rod, zirconium wire, zirconium tube, zirconium plate, zirconium tablets.

Application of Zr Zirconium Powder zirconium metal powder

1. Used in small amounts as an alloying agent for its strong resistance to corrosion

2. Used as the additives of alloys and in the powder metallurgy

3. Zirconium is also a component in some abrasives, such as grinding wheels and sandpaper.

4. ceramic layers are usually composed by a mixture of zirconium and yttrium oxide.

5. Used as an alloying agent in materials that are exposed to corrosive agents

6. 90% of all zirconium produced is used in nuclear reactors

7.Used as a refractory and opacifier

Separation of zirconium and hafnium

Commercial zirconium metal typically contains 1–3% of Hafnium, which is usually not problematic because the chemical properties of hafnium and zirconium are very similar.

Several separation schemes are in use.

The liquild-liquid extraction of thiocyanate derivatives exploits the fact that the hafnium derivative is slightly more soluble in methyl isobutyl ketone than in water. This method is used mainly in United States.

Zr and Hf can also be separated by fractional crystallization of potassium hexafluorozirconate (K2ZrF6), which is less soluble in water than the analogous hafnium derivative.

Fractional distillation of the tetrachlorides, also called extractive distillation is used primarily in Europe.

Hafnium must be removed from zirconium for nuclear applications because hafnium has a neutron absorption cross-section 600 times greater than zirconium.

The separated hafnium can be used for reactor control rods.

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