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FAQ

The minimum thickness of aluminum curtain wall is 2, 5mm or 3mm?

Specifications: for the outer wall of the aluminum sheet, the minimum thickness shall not be less than 2.5mm

What is aluminium oxide sheet?

Brief introduction:Advantage：(1) good processing: anodized aluminum decorative strong, moderate hardness, easy bending forming, continuous high-speed, convenient and direct processing into products, no need for complicated surface treatment, greatly shorten the production cycle and reduce production cost.(2) good weather resistance: standard thickness of oxide film (3 m) anodized aluminum plate, indoor use for a long time, no discoloration, no corrosion, no oxidation, no rust. Anodized aluminum oxide film (10 m) can be used outdoors, and can be exposed to sunlight for a long time without discoloration.(3) strong sense: the metal surface of aluminum anodic treatment of high hardness, as gem, scratch resistance, surface is not covered with paint, keep aluminum metal color, highlight the modern sense of metal, improve product quality and added value.(4) high fire resistance: pure metal products, the surface without paint and any chemical substances, 600 degrees high temperature does not burn, does not produce toxic gases, fire protection and environmental protection requirements.(5) strong dirt resistance: no fingerprints, no stain marks, easy cleaning, no corrosion spots.(6) applicability: it is widely used in metal aluminum ceiling, curtain wall board, aluminum plastic panel, fireproof board, honeycomb aluminum plate, aluminum veneer, electrical panel, cabinet panel, furniture panel and so on.

1. Why does aluminium resist corrosion?2. How do we make aluminium stronger?3. Why does titanium resist corrosion?4. What properties make titanium ideal to use in jet engines and nuclear reactors?5. Why do we need electricity to make aluminium and titanium?6. Why does recycling aluminium save electricity?Even if you only know the answer to one question the help will be much appreciated :D

1. When exposed to air, pure aluminium rapidly forms a passive oxide layer, alumina, which further inhibits aluminium reactions with other elements. 2. Aluminium can be made stronger by alloying with other elements. One of the most known aluminum alloy is duraluminium, where the principal alloying component is copper. 3. Exactly as aluminium, titanium corrosion resistance is due to its high reactivity with oxygen. When pure titanium is exposed to air it forms a passive titanium dioxide layer on the surfaces exposed which further prohibits other reactions with corrosion agents. 4. The use of titanium in jet engines components is favored by its strength to weight ration, which is unmatched by any other metal. As for the nuclear reactors, its use is preferred because of its superior corrosion resistance associated with fracture toughness and overall durability. 5. Both titanium and aluminium are refined from their respective mined ores - bauxite, for aluminium, ilmenite and rutile for titanium. Basically, these are oxides of the metals. Pure metal has to be reduced from these ores and processes involve use of temperatures up to and sometime exceeding 1000 degrees Celsius, which obviously requires a great consumption of energy, including electricity. Moreover, pure aluminium is obtained in the final processing phase through electrolysis, meaning an electrical current is needed in order to drive the required chemical reactions, thus adding to the electrical consumption. 6. Recycling aluminium from aluminium simply requires the remelting of the metal, eliminating the electrolytic phase that is high electric energy consuming.

There are several different fabrication methods used for aluminum sheets, each with its own advantages and applications. Some of the most common methods include rolling, extrusion, casting, and stamping. Rolling is the most commonly used method and involves passing the aluminum through a series of rollers to reduce its thickness and create a flat sheet. This method allows for precise control over the thickness and shape of the sheet, making it ideal for a wide range of applications, from packaging to building materials. Extrusion is another popular method where heated aluminum is forced through a die to create a specific shape or profile. This method is commonly used for creating complex shapes such as tubes, rods, and channels. Extruded aluminum sheets offer high strength and durability, making them suitable for structural applications in industries like construction and automotive. Casting involves pouring molten aluminum into a mold and allowing it to solidify. This method is often used for creating intricate and detailed shapes that cannot be easily achieved through other methods. Casting can produce aluminum sheets with unique textures and designs, making them popular in decorative applications. Stamping is a method that uses a press to shape the aluminum sheet by applying pressure and forming it into a desired shape. This technique is commonly used for creating small, precise parts like brackets, connectors, and electrical components. Stamped aluminum sheets offer excellent dimensional accuracy and can be produced in high volumes at a relatively low cost. In addition to these methods, other fabrication techniques such as welding, bending, and laser cutting can be used to further process aluminum sheets and create custom shapes and designs. Overall, the choice of fabrication method for aluminum sheets depends on the desired application, required properties, and complexity of the desired shape. Each method offers unique advantages and capabilities, allowing for a wide range of possibilities in terms of aluminum sheet fabrication.

To ensure the surface quality of aluminum sheets, several measures can be taken: 1. Cleaning: Before any surface treatment or inspection, it is essential to thoroughly clean the aluminum sheets to remove any dirt, grease, or other contaminants. This can be done with solvents, detergents, or specialized cleaning agents. 2. Visual Inspection: Conduct a visual inspection of the surface for any visible defects like scratches, dents, or pitting. This can be done by trained personnel using proper lighting and magnification tools. 3. Chemical Treatment: Depending on the desired surface finish and application, aluminum sheets may undergo chemical treatments like anodizing, chromate conversion coating, or passivation. These processes can enhance the surface quality, corrosion resistance, and aesthetic appearance of the sheets. 4. Mechanical Polishing: Mechanical polishing techniques such as grinding, buffing, or sanding can be employed to remove surface imperfections and achieve a smooth, glossy finish. Care should be taken to ensure consistency and avoid over-polishing, which can compromise the sheet's integrity. 5. Coating and Protecting: Applying protective coatings like lacquers, paints, or powder coatings can further enhance the surface quality, appearance, and durability of aluminum sheets. These coatings act as a barrier against corrosion, abrasion, and environmental factors. 6. Quality Control: Implementing rigorous quality control procedures throughout the manufacturing process is crucial. This includes regular inspections, testing, and documentation to ensure that the surface quality of aluminum sheets meets the required standards and specifications. 7. Handling and Packaging: Proper handling and packaging during transportation and storage are essential to prevent any surface damage. Adequate protective measures such as using protective films, paper interleaves, or cushioning materials can be employed to safeguard the surface quality until the sheets reach their final destination. By following these measures, manufacturers can ensure the surface quality of aluminum sheets, meeting the desired specifications and customer expectations.

What is aluminum curtain wall.

It's more interesting to use aluminum than to say it's made of glass

i bought a light fixture for my bathroom wall and the ground wire is aluminum and the existing ground wire in the wall is copper,so i would like to know if i can join them and if so,how?

Yes, in this case. Long ago, house wiring was allowed with aluminum wiring. But, shorts were resulting from dissimilar metals touching, while conducting large current and in the presence of electrolitic moisture. The dissimilar metals touching was a problem due to electrolytic corrosion taking place- any time two dissimilar metals come in contact in the presense of an electrolytic solution, corrosion takes place. However, in your case, you are connecting a ground wire, that does not normally conduct- it will only conduct in case of a short or other failure to ground. You are not installing this in a place where salty, moist air is a concern (the electrolyte)- so, it's okay.

To ensure the flatness of an aluminum sheet, it is important to follow certain steps. First, the sheet should be properly stored and handled to prevent any bending or warping. Next, it should be placed on a flat and level surface during cutting or machining processes. Additionally, using proper clamping techniques while machining or during any further processing can help maintain flatness. Lastly, inspecting the sheet for any signs of bowing or warping and taking corrective measures such as annealing or stress relieving if necessary, can help ensure the flatness of the aluminum sheet.