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FAQ

Hi i need to know what will happen to the impact strength of aluminum 2024 reinforced with Silicon carbide is treated to cryogenic temperature (nearly -200C). Will impact strength increase or decrease. Also will the impact strength vary with respect to the percentage of Silicon carbide.

Aluminum 2024 doesn't have a transition temperature, it absorbs about 18n-m impact strength (via charpy tests I ran three weeks ago at my College course). This was constant between -150?C to +150°C (liquid nitrogen to a furnace). This excerpt from wiki: Cutting tools In 1982 at the Oak Ridge National Laboratories, George Wei, Terry Tiegs, and Paul Becher discovered a composite of aluminium oxide and silicon carbide whiskers. This material proved to be exceptionally strong. Development of this laboratory-produced composite to a commercial product took only three years. In 1985, the first commercial cutting tools made from this alumina and silicon carbide whisker-reinforced composite were introduced by the Advanced Composite Materials Corporation (ACMC) and Greenleaf Corporation. Leads me to believe it depends on how you mix the material in would make a difference. Silicon Carbide and aluminum make very strong tools, but would make it more brittle. The ceramic in a metallic crystal lattice (metal is a crystalline structure) would allow more voids to coalesce leading to a brittle fracture, but the initial strength would be improved because of substitution dislocations in the crystal structure (it would be more rigid, stronger, but more prone to sudden failure). Silicon carbide has low thermal expansion coefficient compared to aluminum also so when it gets really cold the aluminum would contract around the particles increasing the strength, but again, reducing ductility and causing fractures to occur more rapidly. Anyways, very interesting, you should do a bit of research on your own after this as I gave you some good places to work from (and I'm sure plenty of words to look up ;D )

Aluminum coils are widely used in various industries due to their exceptional qualities and versatility. Some common applications for aluminum coils include: 1. Construction: Aluminum coils are extensively used in the construction industry for roofing, cladding, and insulation purposes. The lightweight nature of aluminum makes it an ideal material for these applications, as it reduces the overall weight of the structure and provides excellent resistance to corrosion. 2. Transportation: Aluminum coils are widely used in the automotive and aerospace industries. In the automotive sector, aluminum coils are used in the manufacturing of heat exchangers, radiators, and condensers. They are also used to produce lightweight body panels, reducing the overall weight of vehicles and improving fuel efficiency. In the aerospace industry, aluminum coils are used to manufacture aircraft parts, including wings, fuselages, and engine components, due to their high strength-to-weight ratio. 3. Electrical and Electronics: Aluminum coils are utilized in the electrical and electronics industry for various applications. They are commonly used in the production of transformers, motors, and generators, as aluminum has excellent conductivity and is lightweight. Aluminum coils are also used in the manufacturing of electrical cables, as they provide good electrical conductivity and are resistant to corrosion. 4. Packaging: Aluminum coils are extensively used in the packaging industry due to their excellent barrier properties. They are commonly used for packaging food and beverages, pharmaceuticals, and various other consumer products. Aluminum coils provide an impermeable barrier against moisture, oxygen, and light, ensuring the preservation and protection of the packaged goods. 5. Heating, Ventilation, and Air Conditioning (HVAC): Aluminum coils are widely used in HVAC systems for their excellent heat transfer properties. They are commonly found in air conditioning systems, heat pumps, and refrigeration units. Aluminum coils provide efficient heat exchange, ensuring effective cooling and heating processes. In summary, aluminum coils find common applications in construction, transportation, electrical and electronics, packaging, and HVAC industries due to their lightweight nature, corrosion resistance, excellent conductivity, and heat transfer properties.

Aluminum coils are highly sought after in various industries due to their numerous key properties. Firstly, they possess a high strength-to-weight ratio, which means they are both lightweight and durable. This makes them ideal for industries like aerospace, where reducing weight is crucial. Furthermore, aluminum coils exhibit exceptional corrosion resistance. The formation of a thin oxide layer on the metal surface prevents further oxidation, making them suitable for outdoor and marine environments. This corrosion resistance also extends their lifespan, reducing maintenance costs. Another important property of aluminum coils is their high thermal conductivity. This allows for efficient heat transfer, making them well-suited for applications in the HVAC industry. Additionally, they have excellent electrical conductivity, making them favorable for use in electrical and electronic components. Aluminum coils are also highly malleable and ductile, allowing for easy shaping and forming. This versatility makes them popular in manufacturing processes, such as the production of automobile parts, cans, and packaging materials. Lastly, aluminum coils are known for their recyclability. They can be easily melted down and reused without compromising their quality, making them an environmentally friendly choice. This aligns with the increasing focus on sustainability and reducing the environmental impact of industries. In conclusion, aluminum coils possess valuable properties such as high strength-to-weight ratio, corrosion resistance, thermal and electrical conductivity, malleability, and recyclability. These properties make them valuable in numerous applications across various industries.

hey, my dad and i are working on painting our front door and the current piece of aluminum in front of it wont go with the new color. it doesnt look like it can be changed out so we are wondering, other than spray paint, what can you put on aluminum to make it turn permanently black. my dad mentioned gun blue, but that only works on steel. thanks

Dad is on the right track....maybe. There are blackeners for aluminum you can get from gunshops. Used to touch up scratched or worn black anodized finish on aluminum gun parts. Never used it in large areas. Best regards

Yes, aluminum coils can be painted or coated with different colors.

Yes, aluminum coils can be used in aerospace applications. Aluminum is a widely used material in the aerospace industry due to its lightweight and high strength-to-weight ratio. Aluminum coils are often used in the construction of aircraft structures, such as fuselages, wings, and landing gear, as well as in heat transfer and cooling systems. Their excellent corrosion resistance and high thermal conductivity make them suitable for various aerospace applications. Additionally, aluminum coils can be easily formed and fabricated, allowing for complex shapes and designs required in aerospace components.

Indeed, high-vibration environments can accommodate the utilization of aluminum coils. Renowned for its remarkable strength-to-weight ratio, aluminum possesses the capacity to endure vibrations without undergoing substantial deformation or fracture. Moreover, its outstanding corrosion resistance characteristics render it suitable for diverse environmental circumstances. Consequently, it is frequently employed in sectors like automotive, aerospace, and electronics, where high-vibration environments prevail. Nevertheless, it is imperative to guarantee the appropriate design and installation of aluminum coils to mitigate any potential complications arising from vibration.

There are several different types of aluminum alloys used in coil production, including 1xxx, 3xxx, and 5xxx series alloys. These alloys offer varying levels of strength, corrosion resistance, formability, and other properties, making them suitable for different applications in the manufacturing industry.