Overview of Yellow Blue Purple WO3 Powder Tungsten Oxide
Tungsten is a metallic element with the element symbol W and atomic number 74. It is located in the VIB group of the sixth period of the periodic table of elements. In nature, tungsten mainly exists in the form of hexavalent cations. Its ionic radius is small, it has strong polarization ability, and it is easy to form complex anions.
When preparing pure tungsten or tungsten alloy, the main methods include powder metallurgy, smelting (including electron beam melting, vacuum melting, plasma beam melting) and chemical vapor deposition.
Feature of Yellow Blue Purple WO3 Powder Tungsten Oxide
The thermal expansion coefficient of tungsten is very low, only 4.5×10^-6 m/mK, so it has good thermal stability. These properties make tungsten widely used in manufacturing high-temperature components and reliable heat detectors.
(Yellow Blue Purple WO3 Powder Tungsten Oxide)
Parameters of Yellow Blue Purple WO3 Powder Tungsten Oxide
WO3, or Tungsten Trioxide, is an inorganic compound with the chemical formula WO3. It exists in various forms and colors, including yellow, blue, and purple, depending on the crystal structure and impurities present. Here are some key parameters for Yellow, Blue, and Purple WO3 powders:
1. **Yellow Tungsten Oxide (Anatase):**
– **Color:** Yellow or off-white
– **Crystal Structure:** Anatase phase, which is hexagonal
– **Formula:** WO3
– **Melting Point:** 2,700°C (4,900°F)
– **Specific Gravity:** 5.8-6.2
– **Applications:** Photocatalyst, solar cells, pigments, and ceramic coatings
2. **Blue Tungsten Oxide (Brookite):**
– **Color:** Bluish-gray or greenish-blue
– **Crystal Structure:** Brookite phase, which is orthorhombic
– **Formula:** WO3
– **Melting Point:** Not as common as Anatase; melting point around 2,500°C (4,532°F)
– **Applications:** Rarely used due to its instability, but can be found in specialty coatings and electronics
3. **Purple Tungsten Oxide (Rutile):**
– **Color:** Pale pink to reddish-purple
– **Crystal Structure:** Rutile phase, which is tetragonal
– **Formula:** WO3
– **Melting Point:** 3,415°C (6,183°F)
– **Specific Gravity:** 6.2
– **Applications:** Ceramics, glass coloring, and refractory materials
Please note that the exact properties and applications may vary slightly depending on the purity and manufacturing process. For more specific information, consult technical data sheets from suppliers or manufacturers.
(Yellow Blue Purple WO3 Powder Tungsten Oxide)
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FAQ
Question: What are some common applications for Yellow Blue Purple WO3 Powder Tungsten Oxide?
Answer: Yellow Blue Purple WO3 Powder Tungsten Oxide are widely used in cutting tools, drilling tools, high-speed steel, carbide, electrode materials, lighting equipment, aerospace, nuclear industry and other fields.
Question: What is tungsten alloy?
Answer: Tungsten alloy is an alloy composed of tungsten as a base and other elements added. It has the characteristics of high density, high hardness, good corrosion resistance and thermal stability. It is often used to make radiation shielding materials, counterweights, etc.
Question: Why is tungsten filament used in light bulbs?
Answer: Tungsten wire has a high melting point and excellent electrical conductivity, and can maintain stable luminous performance at high temperatures, so it is often used to make filaments for incandescent light bulbs.
Question: What is the role of the tungsten electrode in TIG welding?
Answer: Tungsten electrode is used as an electrode in tungsten argon arc welding. It has high melting point, high thermal conductivity and high electron emission capability. It can stably generate arc and achieve high-quality welding.
Question: What is Yellow Blue Purple WO3 Powder Tungsten Oxide? What are its uses?
Answer: Yellow Blue Purple WO3 Powder Tungsten Oxide is a compound composed of tungsten and carbon and has extremely high hardness and wear resistance. It is commonly used in the manufacture of cutting tools, drill bits and wear-resistant parts.
Question: What are the applications of tungsten in aerospace?
Answer: Tungsten and its alloys are used in the aerospace field to manufacture rocket engine nozzles, missile structural components, etc. Because of their high temperature resistance and corrosion resistance, they can withstand extreme working environments.
Question: What is the mining and processing process for Yellow Blue Purple WO3 Powder Tungsten Oxide?
Answer: Mining of Yellow Blue Purple WO3 Powder Tungsten Oxide usually involves underground mining or open-pit mining. After the ore is crushed and ground, the tungsten is extracted through chemical or physical methods. The processing process includes steps such as smelting, powder preparation, molding and sintering.
Question: What impact does Yellow Blue Purple WO3 Powder Tungsten Oxide have on the environment?
Answer: Waste water, waste gas and solid waste may be produced during the mining and processing of Yellow Blue Purple WO3 Powder Tungsten Oxide, which will have a certain impact on the environment. Therefore, appropriate environmental protection measures need to be taken to reduce pollution.
Question: How to identify the authenticity of tungsten products?
Answer: The authenticity of tungsten products can be identified by observing the appearance of the product, measuring its physical properties (such as density, hardness), and conducting chemical composition analysis. It is recommended to choose formal channels and reputable brands when purchasing.
(Yellow Blue Purple WO3 Powder Tungsten Oxide)
