PRODUCTS
Features
|
CAS Number: |
7440-25-7 |
|
Material: |
R05200, R05400 |
|
Standard: |
ASTM B708, ASTM B708-2001 |
|
Purity: |
≥99.9% or 99.95% |
|
Size: |
Diameter: 25.4mm-254mm (1"-10"); Thickness: 1mm-12.7mm (0.04"-0.5") Tolerance: +/-0.25mm (+/-0.010") |
|
Material Grade: |
R05200, unalloyed tantalum, electron-beam furnace or vacuum-arc melt, or both R05400, unalloyed tantalum, powder-metallurgy consolidation. |
Product Description
Tantalum discs are high-purity, precision-engineered flat components made from tantalum metal. These discs are widely utilized in applications requiring exceptional corrosion resistance, high thermal and electrical conductivity, and biocompatibility. Their excellent mechanical properties under extreme conditions make them ideal for the electronics, aerospace, and medical industries.
Features and Properties
Corrosion Resistance: Inert to most acids, including hydrofluoric acid and sulfuric acid.
High Thermal Stability: Withstands extreme temperatures up to 3000°C.
Electrical Conductivity: Excellent for electrical applications.
Biocompatibility: Safe for use in medical implants and devices.
Mechanical Strength: Maintains structural integrity under high stress and thermal shock.
Product Forms
Machined Discs: Precisely cut and machined to specific dimensions.
Blank Discs: Standard-sized discs for general applications.
Custom Shapes: Tailored for unique applications based on client specifications.
Production Method and Production Equipments
Vacuum Electron Beam Melting: Produces high-purity tantalum ingots as raw material.
Hot and Cold Rolling Machines: Achieves the desired thickness and flatness.
Annealing Furnaces: Ensures stress relief and uniform grain structure.
CNC Machining: For precision cutting and finishing of discs.
Surface Polishing Systems: Provides smooth and polished finishes.
Applications and Related Industries
Electronics: Used as sputtering targets for thin-film deposition in semiconductors.
Chemical Processing: Ideal for components exposed to corrosive environments, such as chemical reaction vessels.
Aerospace: Precision parts for high-temperature applications.
Medical Field: Biocompatible material for surgical implants and diagnostic devices.
Energy Sector: Components in nuclear reactors and capacitors.
Interesting Facts
Tantalum discs are critical in the production of high-performance capacitors for smartphones and laptops.
Their resistance to corrosion makes them suitable for long-term use in extreme chemical environments.
The smooth, polished surface of tantalum discs enhances their efficiency as sputtering targets.
Synonyms
Ta Disc
Tantalum Plate Disc
High-Purity Tantalum Flat Sheet
Health & Safety Information
Toxicity: Solid tantalum is non-toxic, but dust generated during machining should be managed carefully.
Handling Precautions: Use gloves and protective eyewear while handling.
Storage Recommendations: Store in a dry, clean environment to prevent oxidation.
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 |
Specification for Tantalum Disc
|
Name |
Tantalum Sputtering Target |
|
Material |
R05200, R05400, R05252(Ta-2.5W), R05255(Ta-10W) |
|
Re-crystallization |
95%min |
|
Grain size |
40μm or finer |
|
Surface finish |
16Rms max. or Ra 0.4 ( RMS64 or better) |
|
Flatness |
0.1mm or 0.15% max |
|
Tolerance |
+/-0.010" on all dimensions |
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 Disc 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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