Physical and chemical properties of tungsten targets
High density and high melting point
High density: The density of tungsten is 19.25 g/cm³, second only to platinum and iridium, and ranks among the top of all metals. This high density makes tungsten targets an ideal weight-added material and radiation shielding material, especially for medical protection and aerospace fields, used to reduce volume while increasing the stability and safety of equipment.
High melting point: The melting point of tungsten is 3422°C, the highest of all metals. This property means that tungsten targets can work at extremely high temperatures without melting or deforming, and are particularly suitable for high-temperature applications, such as high-temperature components in aerospace and nuclear reactors.
Good electrical and thermal conductivity
Electrical conductivity: Although tungsten is not as conductive as copper and silver, it still maintains good electrical conductivity at high temperatures, which allows tungsten targets to effectively conduct current in electronic devices at high temperatures, such as X-ray tubes.
Thermal conductivity: Tungsten has high thermal conductivity, which can effectively transfer heat and reduce damage caused by heat accumulation. In the semiconductor manufacturing process, tungsten targets are used for sputtering coating. Its good thermal conductivity helps maintain temperature stability during film growth, improving production efficiency and product quality.
Corrosion resistance and wear resistance
Corrosion resistance: Tungsten has excellent corrosion resistance and can resist the erosion of most acids and alkalis. This property makes tungsten targets extremely durable and reliable in chemical processing and pharmaceutical industries, especially in applications in corrosive environments.
Wear resistance: Tungsten has an extremely high hardness, which is lower than that of diamond, so its surface has strong wear resistance. In applications that require wear resistance, such as in some mechanical parts and tool materials, tungsten targets can effectively extend the service life of the product.
Tungsten target detailed parameters
|
AMS-T-21014 |
Class 3 |
Class 3 |
Class 4 |
|
|
Composition |
95W3Ni2Fe |
96W3Ni1Fe |
97W2Ni1Fe |
|
|
Density (g/cm3) |
18.10±0.15 |
18.30±0.15 |
18.50±0.15 |
|
|
Heat Treatment |
Sintering |
Sintering |
Sintering |
|
|
Tensile Strength (MPa) |
920-1100 |
920-1100 |
920-1100 |
|
|
Elongation (%) |
10-22 |
8-22 |
6-13 |
|
|
Hardness (HRC) |
27-32 |
28-34 |
28-36 |
Tungsten target picture display
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FAQ About ZhenAn
Q1: Are you a manufacturer or trader?
A: We are a product producer and trader with more than 30 years of experience.
Q2: What is your minimum order quantity (MOQ)?
A: FOB price is usually at least 10 kg.
Q3: Do you provide free samples?
A: Yes, we provide you with free samples, but the courier fee is paid by you. Standard and with certificate. Mixed samples are acceptable.
Q4: How long is your delivery time?
A: Samples only take 1 day, and mass production time for order quantity over 100 kg takes 2-3 days.
Q5: How do you ship and how long does it take to arrive?
A: Sample orders are usually shipped by DHL, UPS, FedEx or TNT. It usually takes 4-5 days to arrive. Air and sea shipping are also available for formal orders.
Q6: Can my logo be printed on the solder bar/package?
A: Yes. Please inform us formally before production and confirm the design based on our samples first.