SamuelChurchill
Industry info Wiki Q&A
Q titanium metal matrix composites
AnastasiaJean
SamuelChurchill Release Time: 3月 22, 2024, 6:17 下午
Titanium metal matrix composites (MMCs) are composite materials where a titanium metal is reinforced with high performance fibers or particles. The use of titanium as a matrix material is due to its excellent mechanical properties such as high strength-to-weight ratio, corrosion resistance, and high temperature performance. The reinforcing fibers or particles – such as carbon, silicon carbide, or boron – are included to improve the composite’s stiffness, strength, and high temperature properties. Titanium MMCs have found application in aerospace, automotive, biomedical and military sectors due to their light weight, high strength, and resistance to wear and heat. For example, they are used in the manufacture of aircraft engine parts, propeller shafts in cars, artificial joints in medicine, and armored vehicles in defense. Despite these benefits, challenges remain in fabricating titanium MMCs. The high reactivity of titanium can lead to unwanted chemical reactions with the reinforceme...
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Q titanium dioxide crystal shape
SamuelChurchill
PhyllisIV Release Time: 3月 21, 2024, 10:19 下午
Titanium dioxide typically forms in either a tetragonal (rutile and brookite) or orthorhombic (anatase) crystal shape. Titanium dioxide in the anatase phase belongs to the tetragonal crystal system and has a specific space group. In this form, each octahedron is connected to eight surrounding octahedrons to form a unit cell. The anatase phase of titanium dioxide is mainly used in photocatalytic applications. Titanium dioxide in the rutile phase (Rutile) is also a tetragonal crystal system, in which the titanium ion is located in the center of the crystal lattice and surrounded by six oxygen ions. The rutile phase titanium dioxide has higher stability, and its hardness, density, dielectric constant and refractive index are higher than those of the anatase phase. Titanium dioxide in the brookite phase belongs to the orthorhombic crystal system.
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Q how titanium dioxide in panasonic microwave oven
SamuelChurchill
YettaMasefield Release Time: 3月 19, 2024, 5:30 下午
Panasonic uses Titanium Dioxide (TiO2) as a catalytic material in their microwave ovens, specifically in the product line known as ‘Steam Combination Ovens.’ The TiO2 catalyst is used within these microwave ovens to effectively break down fish and meat odors, keeping the oven’s inside fresh and free from lingering food smells. This is due to Titanium Dioxide’s photocatalytic properties which help in decomposing organic substances when activated by light or heat. Thus, TiO2 helps in maintaining cleanliness and freshness in your Panasonic microwave oven.
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Q white titanium dioxide pigment
DarleneMark
SamuelChurchill Release Time: 3月 18, 2024, 8:53 下午
White titanium dioxide pigment, also known as titanium white or pigment white 6, is an important industrial commodity primarily used for its excellent light-scattering capability. Due to its high refractive index, superior chemical stability, and resistance to discoloration, it is widely used in paints, paper, plastics, and various other applications for bringing brightness, whiteness, and opacity. It is deemed safe for use in food, cosmetics, and pharmaceuticals as well. However, its high production cost and environmental impact have led scientists to explore sustainable alternatives and improved production techniques.
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Q is titanium dioxide considered a metal
SamuelChurchill
LesleyPollitt Release Time: 3月 15, 2024, 6:29 下午
Titanium dioxide, also known as titania, is not a metal but a compound that is derived from the metal titanium. It is a naturally-occurring oxide of titanium with the chemical formula TiO2. In its pure form, titanium dioxide is a white, powdery substance that is used extensively in a wide range of applications because of its unique set of properties, which include high refractive index, strong UV light absorption capability, and resistance to discoloration. Despite its derivation from the metal titanium, titanium dioxide itself is not considered a metal.
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Q method of preparation of titanium dioxide
SamuelChurchill
MignonCook Release Time: 3月 15, 2024, 6:48 下午
Titanium dioxide is typically prepared through the sulphate process or the chloride process. In the sulphate process, naturally occurring ilmenite (an ore of titanium) is dissolved in sulfuric acid to produce a solution of titanium sulfate. This is then hydrolyzed in a heated solution to form a hydrous titanium oxide which, upon calcination, yields titanium dioxide. The chloride process involves the chlorination of titanium-containing minerals in the presence of carbon to produce titanium tetrachloride. This is then oxidized at a high temperature to produce the pigmentary titanium dioxide. Both methods require subsequent steps to purify and mill the product to create the required particle size and crystalline form.
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Q is titanium dioxide safe for cat to eat
AlvisBuckle
SamuelChurchill Release Time: 3月 15, 2024, 6:54 下午
Titanium dioxide is commonly used as a color additive in human food, cosmetics, and pet foods. It’s generally considered safe for consumption in regulated amounts. However, it has also been linked to digestive tract issues and immune system response if consumed in large quantities. While the occasional ingestion in small amounts isn’t likely to harm your cat, it’s not something that should be part of their regular diet. It is always recommended to consult with your veterinarian about any concerns related to your pet’s diet.
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Q rtitanium
SamuelChurchill
HuldaMarjory Release Time: 3月 15, 2024, 6:22 下午
Titanium is a chemical element with the symbol Ti and atomic number 22. It is a lustrous transition metal with a silver color, low density, and high strength. Titanium is resistant to corrosion in sea water, aqua regia, and chlorine. It is used in various applications such as in aircrafts, spacecrafts, and missiles because of its strength-to-density ratio. It is also commonly used in medical applications like in joint replacements, dental implants and hearing aids. Titanium also finds use in jewelry due to its hypoallergenic properties and durability. It is also used as white pigment in paints and as a UV blocker in sunscreens.
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Q is zircon good for you
MarinaWesley
SamuelChurchill Release Time: 3月 14, 2024, 6:38 下午
As a gemstone used in jewelry, zircon is generally safe and poses no health risk to the wearer. However, in its raw, unprocessed form, zircon contains radioactive elements which can be harmful but these elements are almost entirely eliminated during the gemstone refining process. That said, gemstones do not provide a direct physical health benefit. Some people believe in the healing power of crystals and gemstones, but this is a form of alternative therapy that doesn’t have backing from scientific consensus. In another context, if you’re referring to zirconium or zirconium-based compounds used in certain medical applications, then it could be beneficial. For example, zirconium is used in some dental crowns and implants due to its biocompatibility and strength. Basically, whether zircon is “good” for you depends on the context. Always ensure that you’re informed about the potential risks and benefits associated with its use. Please consult with a qualified ...
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Q what environment of formation is zircon found in
RaeBroad
SamuelChurchill Release Time: 3月 14, 2024, 6:21 下午
Zircon is found in various environments of formation, such as igneous rocks (like granite and rhyolite), metamorphic rocks (like gneiss and schist), and sedimentary rocks (like sandstone and shale). It is also found in beach sands and river gravels. Zircon crystals can form during high-temperature metamorphic reactions and crystallize directly from magma in igneous rocks. Additionally, due to its high resistance to weathering and erosion, zircon can be re-deposited in sedimentary rocks over time.
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