Tantalum ring is one of the tantalum products. Tantalum is dark, dense, ductile, very hard, easily fabricated, and highly conductive of heat and electricity. The metal is renowned for
its resistance, as the metal powder, is in the production of electronic components, mainly capacitors, and some high-power resistors. Tantalum electrolytic capacitors exploit the tendency of tantalum to form a protective oxide surface layer, using tantalum powder, pressed into a pellet shape, as one "plate" of the capacitor, the oxide as the dielectric, and an electrolytic solution or conductive solid as the other "plate". Because the dielectric layer can be very thin (thinner than the similar layer in, for instance, an aluminum electrolytic capacitor), a high capacitance can be achieved in a small volume. Because of the size and weight advantages, tantalum capacitors are attractive for portable telephones, personal computers, and automotive electronics, tantalum rings are used for jewelry.
Tantalum (tantalum) is a gray metal that is chemically very stable and resistant to most acids, salts, and solvents. It also has very high corrosion resistance and melting point, making it a popular metallic material.
1. Below are some physical properties of Tantalum
- Density: 16.69 g/cm³
- Melting point: 3,017 °C
- Boiling point: 5,458 °C
- Hardness: 2.0-2.5 Mohs
- Elastic modulus: 186 GPa
- Thermal conductivity: 57.5 W/(m K)
- Coefficient of thermal expansion: 6.3×10^-6/K
2. Below are some chemical properties of Tantalum
- not easy to get wet
- Extremely corrosion-resistant, resistant to most acids, salts, and solvents
- Will not be oxidized by air at room temperature
- Can react at high temperatures, such as reacting with oxygen, can burn into Ta2O5 in air
- Can react with some elements (such as carbon, nitrogen, sulfur, etc.), but requires high temperature
The above is a brief introduction to the physical and chemical properties of Tantalum.
In each industry where tantalum competes, there are alternatives to the metal, however, the primary reason why industries use tantalum is because of its known reliability. The metal has been in continuous use for decades in multiple industries and its performance and behavior is well documented.
·Alternative Capacitor Technologies.
·Alternative Thin Film Technologies.
Electronics are the primary market driver for tantalum and we expect its continued use in both capacitor anode and as a diffusion layer in semiconductor manufacturing.
R05200 3N5 pure tantalum ring per kg is most competitive material for capacitors. We offer 3N5 pure tantalum ring per kg for more than 12 years. Do you like the tantalum ring?
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Tantalum ring size |
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Inner diameter (mm) |
15.7 |
16 |
16.3 |
16.7 |
17 |
17.3 |
17.6 |
18 |
18.3 |
18.7 |
19 |
19.3 |
|
Inner perimeter (mm) |
49.2 |
50.3 |
51.3 |
52.4 |
53.4 |
54.5 |
55.5 |
56.5 |
57.6 |
58.6 |
59.7 |
60.7 |
|
JP Size |
9 |
10 |
11 |
12 |
13 |
14 |
15 |
16 |
17 |
18 |
19 |
20 |
|
HK Size |
11 |
11.5 |
12 |
13 |
14.5 |
16 |
17 |
18 |
19 |
20.5 |
22 |
23 |
|
US Size |
5 |
5.5 |
6 |
6.5 |
6.5-7 |
7-7.5 |
7.5-8 |
8 |
8.5 |
9 |
9.5 |
10 |
|
UK Size |
J |
K |
L |
L-M |
M-N |
N-O |
O-P |
P |
Q |
R |
S |
T |
3. Manufacturer Processes
1) Raw material preparation: Select high-quality tantalum materials and ensure that the materials meet the specifications.
2) Preliminary processing: Use cutting machines, drilling machines and other equipment to 2. perform preliminary processing on large pieces of tantalum material to make prototypes.
3) Hand Forging: The prototype is put into a machine for forging to give it the desired shape and size.
4) Finishing: The tantalum ring with high precision needs to be finished, such as boring, drilling, grinding, polishing and so on.
5) Cleaning treatment: The tantalum ring is cleaned at high temperature to remove pollutants such as oxide layer and solder joints.
6) Quality inspection: Carry out various quality inspections, such as metallographic analysis, water immersion test, corrosion resistance, surface roughness, etc.
Tantalum rings can be used in many electronic devices, chemical fields, and medical equipment, mainly in the manufacture of capacitors and other electronic components. Due to its high chemical stability and corrosion resistance, it can also be used in the production of chemical reaction vessels and high-temperature furnaces. Among medical devices, the tantalum ring can be used for prostheses and bone repair in orthopedic surgery because of its good fusion with human tissue.
The tantalum ring varies according to different sizes and styles, welcome to consult
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