Tantalum Wire
The pure metal is used in the electronics industry to make various types of electronic devices (e.g. rectifiers, capacitors, filaments, etc.). Tantalum is also used in vacuum systems because of its high absorption of residual gases. It is also used as an alloying element, for example with nickel and molybdenum to produce alloys with good corrosion resistance, strength and ductility.
Description
Tantalum was discovered in 1802 by AG Ekeberg in Uppsala, Sweden. Tantalum is a shiny silver-colored metal that is heavy, dense, ductile and malleable when pure. It is found in small amounts in minerals (usually together with niobium) and is separated by conversion to oxides and then to the fluorine complex K2TaF₇, from which the pure metal is then obtained by electrolysis.
Products Description
Due to the formation of an oxide film, Tantalum is extremely corrosion-resistant and is also resistant to acids (except HF). At high temperatures it reacts with molten alkalis and a variety of non-metals. Tantalum can be used as a substitute for platinum in laboratory equipment, which must have good corrosion resistance, and for similar reasons the metal is also used in the chemical industry. Fluids in the human body do not react with the metal, so its use in surgical implants does not cause rejection. Other applications include the use of tantalum carbide in cemented carbides used as cutting tools.
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Tantalum Wire Properties (Theoretical)
| Molecular Weight | 180.94 |
|---|---|
| Appearance | Silvery-gray solid |
| Melting Point | 3017 °C |
| Boiling Point | 5458 °C |
| Density | 16.69 g/cm3 (20 °C) |
| Solubility in H2O | N/A |
| Crystal Phase / Structure | α: body-centered cubic (bcc) / β: tetragonal |
| Electrical Resistivity | 131 nΩ·m (20 °C) |
| Electronegativity | 1.5 Paulings |
| Heat of Fusion | 36.57 kJ/mol |
| Heat of Vaporization | 753 kJ/mol |
| Poisson's Ratio | 0.34 |
| Specific Heat | 140 J/kg·K |
| Thermal Conductivity | 57.5 W/m·K |
| Thermal Expansion | 6.3 µm/m·K |
| Vickers Hardness | 870–1200 MPa |
| Young's Modulus | 186 GPa |
Large-scale factory production
FAQ
Q:How long is your delivery time?
A:The products will be delivered ASAP on the basis of the quality assurance. Generally,samples order's delivery time is 6-10 days.Container orders are about 15-20 days.
Q:What product information do I need to provide?
A:You need to provide the grade, width, thickness, coating and the number of tons you need to purchase.
Q:What are the shipping ports?
A:You can choose other ports according to your needs.
Q:About product prices?
A:Prices vary from period to period due to cyclical changes in the price of raw materials.
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