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CAS Number: | 7440-25-7 |
Standard: | ASTM B364-92 |
Purity: | ≥99.9% or 99.95% |
Size: | Diameter 70-195 mm, Length ≤1600 mm |
Material Grade: | R05200, unalloyed tantalum, electron-beam furnace or vacuum-arc melt, or both R05400, unalloyed tantalum, powder-metallurgy consolidation. |
Tantalum Ingot Description
A tantalum ingot is mainly made of the chemical element tantalum. Tantalum is a rare blue-gray metal with a high melting point and good resistance to corrosion. It is known for its great resistance to acids and is often used in applications that need high levels of chemical resistance.
Tantalum ingots are usually made using a process called electron beam melting or vacuum arc melting. These methods involve heating tantalum in a controlled environment and then cooling it to make a solid ingot. The resulting ingot is usually cylindrical or rectangular in shape and can vary in size depending on the particular requirements.
Tantalum is used in many different industries. The electronics industry uses it to make capacitors, high-performance transistors, and other electronic components. Tantalum capacitors are very popular because they have a high capacitance, stability, and reliability.
Tantalum is used in aerospace and defense because it can handle high temperatures and corrosion. It is used in turbine blades, rocket nozzles, and other critical components that need to be strong and durable in extreme conditions.
Tantalum is used in surgical implants, such as hip and knee replacements, because it is biocompatible and can osseointegrate with bone tissue.
Tantalum ingots are important for many high-tech and specialized applications because of its unique combination of properties, such as its resistance to corrosion, high melting point, and biocompatibility.
Chemical Composition
Element | C | O | N | H | Fe | Mo | Nb | Ni | Si | Ti | W |
R05200 (%,Max) | 0.01 | 0.015 | 0.01 | 0.0015 | 0.01 | 0.02 | 0.1 | 0.01 | 0.005 | 0.01 | 0.05 |
R05400 (%,Max) | 0.01 | 0.03 | 0.01 | 0.0015 | 0.01 | 0.02 | 0.1 | 0.01 | 0.005 | 0.01 | 0.05 |
Tantalum Ingot Applications and Related Industries
Electronics Industry: Tantalum is used in the electronics industry, primarily for making tantalum capacitors. These capacitors are used in gadgets like phones, computers, video games, and cars. Tantalum capacitors are very strong, stable, and reliable, so they are important for circuitry and energy storage in electronic devices.
Aerospace and Defense Industries: Tantalum is useful for aerospace and defense because it melts easily, resists corrosion, and is strong. It is used to make turbine blades, jet engine components, rocket nozzles, and other critical parts that need to be resistant to high temperatures and aggressive environments.
Chemical Processing: Tantalum is a good choice for chemical processing because it is resistant to acids. It is used to build reaction tanks, heat exchangers, and pipes for handling corrosive materials. Tantalum is resistant to many chemicals, including acids, fertilizers, and pharmaceuticals.
Medical and Healthcare: Tantalum is biocompatible, meaning it can be used in living tissues without causing problems. This property makes it ideal for medical and healthcare applications. Tantalum is used in things like hip and knee replacements, dental implants, and things that hold bones together. Its biocompatibility and ability to integrate with bone tissue contribute to successful implant and healing processes.
Energy Industry: The energy industry uses tantalum for many applications. This metal is used to make superalloys for turbines in power plants. It's important because it can resist high temperatures and is strong. Tantalum is also used to make electrolytic capacitors, which are used in renewable energy systems, such as wind turbine and solar power systems.
Telecommunications: Tantalum capacitors are important components in the telecommunications industry. They make electronic devices smaller and better. They are used in mobile phones, base stations, and communication networks to store and release electrical energy efficiently.
Automotive Industry: Tantalum is used in the automotive industry because it is durable and stable. This is used in electronic control units (ECUs), airbag systems, engine management systems, and other safety-important parts that need strong capacitors.
Chemical Identifiers
Linear Formula | Ta |
MDL Number | MFCD00011252 |
EC No. | 231-135-5 |
Beilstein/Reaxys No. | N/A |
Pubchem CID | 23956 |
SMILES | [Ta] |
InchI Identifier | InChI=1S/Ta |
InchI Key | GUVRBAGPIYLISA-UHFFFAOYSA-N |
Tantalum Ingot 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 |
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