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| Why Aluminum Foil Was Formerly Called Tin Foil？ |
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Posted by: askaluadmin - 06-25-2023, 07:33 AM - Forum: aluminium faq
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Aluminum foil was originally called "tin foil" because it was made using a process that was similar to the production of tin foil. Tin foil was first introduced in the 19th century and was made from thin sheets of tin that were hammered into a very thin and flexible form. Tin foil was popular for its ability to keep food fresh and to protect it from insects and bacteria.
In the early 20th century, aluminum foil was developed as a replacement for tin foil. Aluminum foil was cheaper and easier to produce than tin foil, and it was also more effective at protecting food from moisture, bacteria, and other contaminants. However, because aluminum foil was so similar in appearance and function to tin foil, people continued to refer to it as "tin foil" for many years.
Today, the term "tin foil" is still sometimes used colloquially to refer to aluminum foil, although it is less common than it once was. The more accurate term for the material is simply "aluminum foil."
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| The difference between oiled container foil and non-oiled container foil |
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Posted by: hmwadeseo - 06-25-2023, 07:32 AM - Forum: Knowledge & Technique
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Oiled and unoiled container foil refers to two different types of aluminum foil used to package food or other products.
In the production process, in order to prevent the aluminum foil from sticking to the rollers on the machine at high temperature, all aluminum foils for containers need oil during production. Some machines have their own oil spray settings and you can buy container foils that are not oiled, but there is no oil on the machine. For oiled settings, oiled container foil must be purchased.
Usually oiled container foil is about 100-150 US dollars per ton more expensive than non-oiled container foil.
The oil also helps prevent air and moisture from penetrating the foil, which preserves the freshness and flavor of your food.
It is worth noting that the type of oil used to oil container foil may vary by manufacturer or supplier. However, mineral oil is the commonly used oil for this purpose due to its low cost, availability and non-toxicity. Other types of oils that can be used include vegetable oils such as soybean or canola and healthy olive oil.
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| What are the common packaging materials in life |
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Posted by: hmwadeseo - 06-25-2023, 07:27 AM - Forum: aluminium faq
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The packaging of the product is an important part of the product. It not only plays a protective role in the transportation process, but also directly relates to the overall quality of the product. The following are our commonly used packaging materials:
Paper packaging materials: packaging paper honeycomb paper, paper bag paper, desiccant packaging paper, honeycomb paperboard, kraft paper industrial paperboard, honeycomb paper core
Plastic packaging materials: sealing film shrink film plastic film stretch film heat shrink film hollow board pof shrink film CPP EPP
Composite flexible packaging materials: flexible packaging, aluminized film, aluminum foil composite film, vacuum aluminized paper, composite film, composite paper, BOPP
Metal packaging materials: tinplate box, tin can, barrel hoop, steel belt, packing buckle, blister aluminum, PTP aluminum foil, aluminum plate, steel buckle
Ceramic material
glass material
wood
Other packaging materials/accessories:
Hot stamping material: hot stamping material, laser film, anodized aluminum hot stamping paper, hot stamping film, hot stamping film, hot stamping foil, hot stamping foil, color foil
Adhesives, Coatings: Adhesives Adhesives Composite Adhesives Reinforcing Agents Starch Adhesives Sealing Adhesives Latex Resins Self-adhesive
Packaging auxiliary materials: bottle cap glove machine, mold, gasket, handle, liner nozzle, sealing cap, packaging film
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| The Uses of Custom Sheet Metal in the Aerospace Industry |
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Posted by: askaluadmin - 06-25-2023, 06:43 AM - Forum: Knowledge & Technique
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Sheet Metal for AerospaceAerospace Industry
Metal materials used in aircraft construction are selected based on several factors, including durability, strength-to-weight ratio, and corrosion resistance. The metal’s structural integrity must also be capable of withstanding exposure to the high pressures and extreme temperatures encountered during flight. Three commonly used sheet metals in this industry are aluminum, stainless steel, and brass.
Aluminum: Aluminum is a lightweight, electrically conductive metal that can be strengthened and enhanced through the addition of various alloying elements. The most popular aluminum alloys in aircraft construction are 7075, 7475-02, and 6061, all of which exhibit excellent resistance to fatigue resistance and damage. Specific aerospace applications of aluminum sheet metal include:
Click to Expand
Sheet Metal Uses In Aerospace Industry
Wing panes
Fuselage
Rudder
Doors and floors
Engine turbines
Cockpit instrumentation
Seats
Exhaust pipes
Stainless steel: Stainless steel is a group of corrosion-resistant iron-carbon alloys containing 10-30% chromium. Because they maintain superior mechanical properties over a wide temperature range, stainless steel alloys are ideal for enduring the harsh conditions of continuous flight. Applications of stainless steel sheet metal manufacturing in the aviation aerospace industry include:
Airframes
Landing gear
Jet engines
Brass: Brass is a copper-zinc alloy with excellent hardness, workability, corrosion, and temperature resistance. This alloy performs well in harsh settings, making it ideal for aerospace environments. Applications of brass sheet metal manufacturing in aircraft construction include:
Wheel and brake components
Landing gear
Cargo doors
Casings for electrical components
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| Why Aluminium Is Used In Aircraft? |
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Posted by: hmwadeseo - 06-25-2023, 06:40 AM - Forum: aluminium faq
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Aluminum (blended with small quantities of other metals) is used on most types of aircraft because it is lightweight and strong. Aluminum alloys don't corrode as readily as steel. ... It has also been used for the skin of some high-speed airplanes because it holds its strength at higher temperatures better than aluminum.
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| What is Aerospace Aluminum? |
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Posted by: askaluadmin - 06-25-2023, 06:39 AM - Forum: aluminium faq
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Aluminum alloys are often the metal of choice for aerospace components designed by engineers due to its high-strength and corrosion resistance properties. In comparison to steel, it is a lightweight metal that carries enough strength to serve as the ideal option in many aerospace applications. At Howard Precision Metals, we have your aluminum aerospace needs covered with a selection of alloys that are tailored to aerospace applications, including those for commercial, private, and military aircraft. As you read on, we discuss the variety of Aluminum Alloys typically used, but in many critical components there is additional testing of the aluminum that is required to insure against failure, such as ultrasonic testing.
Aluminum in Aircraft
The vast majority of the airframe of modern aircraft is made from aluminum in terms of weight. For instance, aluminum is the preferred material option for wing, fuselage and supporting structures of military transport/cargo aircraft and commercial airliners. U.S. Navy aircraft use structural components made from fabricated wrought aluminum. Aluminum casting technology is a major focus now, with this technology able to create intricate shapes and achieve innovative designs, which keeps manufacturing costs to a minimum.
Aluminum in Spacecraft
Since the first aircraft was launched into space, aluminum has been a prominent material used for space structures. It is ideal because of its light weight and its capability to handle the powerful loads and stresses that occur during the launch and operation of spacecraft. Aluminum has been used extensively on many of the famous space missions in history, including those involving Apollo, Skylab, the International Space Station, and the Space Shuttles. Aluminum alloys perform exceptionally compared to many other metals in terms of dampening, minimizing weight, thermal management, and mechanical stability.
Aluminum Grades for Aerospace Applications
The aluminum grade you choose will depend on your specific aerospace application. Machinability and corrosion resistance are some of the key factors to consider when evaluating aluminum alloys for aerospace applications.
Alloy 2014 – A beneficial alloy choice for framework due to its strength and machinability. However, it does not provide the level of corrosion resistance other aluminum grades do. Therefore, it should not be used in environments with high corrosive environments or environmental stressors.
Alloy 2024 – 2024 Aluminum alloy is used extensively for aerospace and aircraft components. It possesses high tensile strength, is treatable, and stress resistant. It can also be heat treated. Aluminum 2024 plate and sheet are ideal for aerospace applications involving structures, aircraft wings, and repairs.
Alloy 3003 – This alloy possesses good weldability and corrosion resistance. It is not heat treatable but is one of the more common aluminum alloys used for aircraft and aviation applications.
Alloy 5052 – As another aluminum alloy not suitable for heat treatment, 5052 does have a high fatigue strength compared to other aluminum alloys. It possesses good formability and corrosion resistance properties and is used commonly for fuel tanks in aircraft.
Alloy 6061 – 6061 Aluminum alloy may be welded and brazed. It is a workable alloy with superb corrosion resistance. It is commonly used in the fuselage and wings.
Alloy 6063 – This alloy is an excellent choice for architectural structures and anodizing requirements. High corrosion resistance and high tensile properties are some of the features of this alloy. It is an alloy often used for aesthetic purposes.
Alloy 7050 – 7050 aluminum alloy is a great option for military aircraft and wing skins. This alloy may be reheated and is applicable for military aircraft and wing skins. It possesses a superb strength-to-weight ratio.
Alloy 7068 – Used extensively for aircraft applications, this alloy is one of the strongest available aluminum alloys for aerospace applications. It is a popular alloy grade for applications that involve exposure to high level environmental stressors. It possesses a high level of strength and corrosion resistance.
Alloy 7075 – Aluminum alloy 7075 has average corrosion resistance and high fatigue resistance. It compares to the strength of steel due to the high level of zinc in its composition. It is ideal for highly stressed parts such as fuselages.
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| Difference Between Aluminium 5005 and 6061 |
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Posted by: hmwadeseo - 06-21-2023, 08:45 AM - Forum: Knowledge & Technique
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Aluminum is one of the most versatile metals in various industrial and commercial applications. It boasts several properties that stand out from other metals, such as a high strength-to-weight ratio, corrosion resistance, and excellent thermal conductivity. However, with many aluminium grades available in the market, it’s essential to understand their differences to select your application correctly. This blog explores the differences between two commonly used aluminium grades – 5005 and 6061.
Aluminum 5005
Aluminum 5005 is an alloy that contains 0.8% magnesium, 0.5% manganese, and a small amount of copper. It has excellent corrosion resistance, weldability and workability, making it ideal for various applications in the automotive industry and beyond.
Aluminum 6061
Aluminum 6061 is an alloy composed of aluminium, magnesium, and silicon. It’s a highly versatile material with excellent strength-to-weight ratio and corrosion resistance, making it popular in many industries.
Aluminium 5005 and 6061 consist mainly of aluminium, with different composition percentages of other elements. 5005 has a higher magnesium rate, enhancing its corrosion resistance ability. On the other hand, 6061 has a higher percentage of silicon and magnesium, making it stronger than 5005.
Heat treatment
Aluminium 6061 can be heat-treated to improve strength and hardness, while 5005 isn’t. This makes 6061 a popular choice in applications requiring high strength and durability.
Weldability
Both Aluminium 5005 and 6061 are easily welded. However, 6061 is more challenging to weld than 5005 due to its higher amount of magnesium and silicon, which makes it more difficult to control the welding process.
Applications
Aluminum 5005 is widely used to manufacture roofs, awnings, and cladding because of its excellent corrosion resistance and formability. Aluminium 6061, on the other hand, is commonly used in structural applications such as frames, aircraft, and boat building due to its high strength and durability.
Cost
Cost is another essential factor to consider when selecting aluminium grade. Typically, 6061 is more expensive than 5005 because of its higher strength and hardness. However, the final cost depends on several factors, such as the quantity ordered, processing techniques, and market demand.
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| How to make aluminum sheets |
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Posted by: hmwadeseo - 06-21-2023, 08:39 AM - Forum: aluminium faq
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The making of an aluminum sheet involves two main steps—casting and rolling. First, molten aluminum is cast into large ingots that can be further processed into thin, flat sheets. The casting process involves pouring liquid aluminum into a holding vessel called a crucible or ladle that is then cooled until the metal solidifies. Once the metal has solidified, it is placed in a furnace where it is heated again to make it malleable enough for rolling.
Once the metal is hot enough (usually around 500 degrees Celsius), it is passed through rollers that flatten the metal and reduce its thickness. A typical thickness range for an aluminum sheet can vary from 0.2mm up to 500mm depending on the application and requirements of the product. This process needs to be done carefully as too much pressure can cause damage to the material itself and cause deformities in the finished product. After rolling, any imperfections or defects in the surface are removed through polishing before being sent off for use in various industries.
Mining
The first step in the process of making aluminum sheets is mining. Aluminum is abundant in the earth’s crust, but it is typically combined with other elements such as oxygen, silicon, and bauxite. To mine aluminum, giant machines dig up the earth and extract the aluminum ore.
Refining
Once the aluminum ore has been extracted, it must be refined to remove impurities. The refining process involves using chemicals and high temperatures to remove impurities such as iron, silicon, and bauxite. The result is a purer form of aluminum that can create aluminum sheets.
Smelting
The next step in the process is smelting. In smelting, the refined aluminum is placed in a furnace and heated to over 1,000 degrees Celsius. This high temperature causes the aluminum to liquefy and allows impurities to be removed.
Casting
After the aluminum has been smelted, it is cast into ingots or billets. An ingot is a large metal block that can be further processed into smaller pieces. Billets are small metal blocks typically used to create products such as aluminum sheets.
Rolling
The final step in the process is rolling. In this step, the ingots or billets are passed through rollers which flatten them out into thin sheets of aluminum. These sheets can then be cut to any desired size and used for various purposes, such as packaging or construction.
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| Looking for some advice on what type of aluminium sheet |
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Posted by: SpbPTSml - 06-21-2023, 07:36 AM - Forum: aluminium faq
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Hi,
Looking for some advice on what type of aluminium sheet I need to use for sublimation printing. I want to heat transfer an image, which has been printed onto transfer paper using a sublimation ink printer, to aluminium sheet. Can I use straightforward anodised aluminium sheet (as sold by Cooksongold), or do I need to use pre-anodised and unsealed aluminium (which is what I normally use when I want the aluminium to take a colour), or can I use both types?
Thanks in advance
Eva
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