Aircraft aluminum sheet is a crucial material in the aerospace industry, renowned for its unique combination of properties that make it indispensable for aircraft manufacturing. Here is a detailed introduction:

Aircraft Aluminum Sheet Characteristics

• Low Density: One of the most significant features of aircraft aluminum sheet is its low density. Aluminum has a relatively low mass per unit volume compared to many other metals, which helps to reduce the overall weight of the aircraft. This is essential for improving fuel efficiency, increasing range, and enhancing the overall performance of the aircraft.
• High Strength: Despite its low density, aircraft aluminum sheets can be engineered to have high strength. Through processes like alloying and heat treatment, aluminum alloys can achieve excellent tensile and compressive strength, enabling them to withstand the various forces and stresses experienced during flight, such as air pressure, vibration, and gravitational forces.
• Good Corrosion Resistance: Aluminum naturally forms a thin, protective oxide layer on its surface when exposed to air. This oxide layer is highly resistant to corrosion, making aircraft aluminum sheets suitable for use in various environmental conditions, including high humidity and exposure to different atmospheric elements.
• Excellent Formability: Aircraft aluminum sheets have good formability, which means they can be easily shaped and fabricated into complex structures and components. They can be bent, rolled, stamped, and machined with relative ease, allowing manufacturers to create the diverse range of parts needed for aircraft construction, such as wing skins, fuselage panels, and ribs.
• Good Thermal Conductivity: Aluminum has high thermal conductivity, which is beneficial for dissipating heat generated during flight. This helps to maintain the proper operating temperature of various aircraft components and systems, improving their reliability and lifespan.

Common Aircraft Aluminum Sheet

• 2024 Aluminum Alloy: This alloy is widely used in aircraft structures. It contains copper as the primary alloying element, which imparts high strength and good fatigue resistance. It is often used in wing spars, ribs, and other structural components where strength and weight savings are critical.
• 7075 Aluminum Alloy: Known for its extremely high strength, 7075 alloy is one of the strongest aluminum alloys available. It contains zinc as the main alloying element and is used in applications that require high strength-to-weight ratio, such as landing gear components, wing fittings, and some high-stress structural parts.
• 6061 Aluminum Alloy: This alloy offers a good balance of strength, corrosion resistance, and formability. It contains magnesium and silicon as alloying elements and is commonly used in aircraft interiors, such as for making cabin frames, luggage compartments, and some non-structural components.

Manufacturing Process of Aircraft Aluminum Sheet

• Casting: The first step in producing aircraft aluminum sheets often involves casting. Aluminum alloys are melted and poured into molds to create ingots or billets.
• Hot Rolling: The cast ingots or billets are then subjected to hot rolling. This process involves passing the material through a series of rollers at high temperatures to reduce its thickness and improve its mechanical properties. Hot rolling helps to refine the grain structure of the aluminum and make it more homogeneous.
• Холодная прокатка: After hot rolling, cold rolling may be performed. Cold rolling further reduces the thickness of the sheet and improves its surface finish and dimensional accuracy. It also increases the strength of the aluminum through work hardening.
• Heat Treatment and Aging: Some aluminum alloys used in aircraft sheets require heat treatment and aging processes. Heat treatment involves heating the material to a specific temperature and then cooling it at a controlled rate to achieve the desired microstructure and mechanical properties. Aging is often done after heat treatment to further enhance the strength and hardness of the alloy.
• Обработка поверхности: To improve corrosion resistance and other surface properties, aircraft aluminum sheets may undergo surface treatments such as anodizing or painting. Anodizing creates a thicker and more durable oxide layer on the surface of the aluminum, providing enhanced protection against corrosion and wear.

Quality Control

• Non-Destructive Testing: This includes techniques like ultrasonic testing, radiographic testing, and eddy current testing. These methods are used to detect internal flaws, cracks, or other defects in the aluminum sheets without damaging the material.
• Tensile Testing: Samples of the aluminum sheets are subjected to tensile tests to measure their strength, elongation, and other mechanical properties. This ensures that the material meets the required specifications for use in aircraft.
• Microstructural Analysis: The microstructure of the aluminum sheets is examined under a microscope to check for grain size, phase distribution, and any signs of abnormal microstructure that could affect the material's performance.

Aircraft aluminum sheets have a multitude of specific applications in the aerospace industry, playing a crucial role in various components and systems. Here are the details:

Airframe Structure

• Fuselage: Aluminum sheets are used to construct the fuselage skin. They form the outer shell that encloses the cabin and other internal compartments. The sheets need to be lightweight yet strong enough to withstand the pressure differentials between the inside and outside of the aircraft during flight, as well as the forces from aerodynamic drag and turbulence. For example, 2024 aluminum alloy sheets are often used in fuselage construction for their high strength and good formability, allowing for complex shaping to fit the aircraft's design.
• Wings: The wing skins are typically made of aluminum sheets. These sheets must endure significant bending and torsional forces during flight. 7075 aluminum alloy is frequently employed in wing skins due to its high strength and excellent fatigue resistance. It helps the wings maintain their shape and structural integrity, while also contributing to the overall lift and aerodynamic performance of the aircraft. Additionally, aluminum sheets are used in the construction of wing spars and ribs, which provide the internal framework for the wings.
• Tail Section: The vertical and horizontal stabilizers in the tail section also utilize aluminum sheets. They help to provide stability and control during flight. The sheets used here need to have good resistance to both static and dynamic loads. 6061 aluminum alloy is sometimes used in the tail section components for its balance of strength, corrosion resistance, and formability, making it suitable for creating the complex shapes required for the stabilizers.

Aircraft Interior

• Cabin Panels: Aluminum sheets are used to make the interior cabin panels that line the walls and ceilings of the aircraft cabin. They offer a lightweight and durable solution that can be easily shaped and finished to provide a smooth and aesthetically pleasing surface. These panels also contribute to sound insulation and thermal management within the cabin.
• Luggage Compartments: The structures of luggage compartments are often made from aluminum sheets. They need to be strong enough to hold the weight of the luggage and withstand the vibrations and movements during flight, while also being lightweight to minimize the overall aircraft weight.
• Seat Frames: Aluminum sheets are used in the construction of seat frames. They provide the necessary strength to support the passengers while ensuring that the seats are as lightweight as possible, which is important for optimizing the aircraft's weight distribution and fuel efficiency.

Engine Components

• Engine Cowlings: The cowlings that surround the aircraft engines are often made of aluminum sheets. They protect the engine from the external environment, including air, rain, and debris. Aluminum sheets used in cowlings need to have good heat resistance and corrosion resistance to withstand the high temperatures and harsh conditions near the engine.
• Exhaust Ducts: Some parts of the exhaust ducts may be made of aluminum alloys in the form of sheets. These sheets need to be able to withstand high temperatures and the corrosive effects of the exhaust gases. Special heat-resistant aluminum alloys are often developed for such applications to ensure the durability and performance of the exhaust system.

Landing Gear

• Landing Gear Doors: The doors that cover the landing gear when it is retracted are typically made of aircraft aluminum sheets. They need to be lightweight yet strong enough to withstand the aerodynamic forces during flight and the impacts during landing. Aluminum sheets offer the necessary combination of properties to ensure the proper functioning and protection of the landing gear.
• Some Landing Gear Components: Certain components of the landing gear, such as brackets and supports, may also be made from aluminum sheets. These components need to have high strength and good fatigue resistance to withstand the repeated stresses of landing and takeoff.

Алюминиевый лист или алюминиевая пластина доступна из различных сплавов, обеспечивающих различные свариваемость, коррозионную стойкость и обрабатываемость.

Алюминиевый лист — это любой алюминиевый листовой металл толще фольги, но тоньше 6 мм; он выпускается во многих формах, включая алмазную пластину, расширенный, перфорированный и окрашенный алюминиевый лист. Алюминиевая пластина — это любой алюминиевый листовой металл толщиной более 6 мм.

Авиационные алюминиевые сплавы являются основным материалом для производства самолетов и аэрокосмических аппаратов.

Алюминий – один из наиболее распространенных металлов, используемых при изготовлении деталей самолетов. Один из самых распространенных металлов на Земле. Прочность, легкий вес и коррозионная стойкость алюминия делают его идеальным для многочисленных применений в аэрокосмической отрасли. Обшивка фюзеляжа, топливные баки, турбины двигателей, приборы кабины, двери и каркасы сидений — это лишь некоторые из алюминиевых деталей, которые можно найти на современных самолетах.

Большая часть алюминия, используемого в авиастроении, представляет собой сплавы, смешанные с другими материалами. Легирующие материалы включают медь, марганец, магний, кремний, цинк и хром.

2024 — наиболее широко используемый алюминиевый сплав для самолетов, обладающий превосходной усталостной прочностью и высокой прочностью на разрыв. 2024 используется для фюзеляжа и крыльев самолета.

3003 является одним из наиболее широко используемых алюминиевых сплавов из-за его высокой прочности и отличной обрабатываемости.

5052 обладает превосходной коррозионной стойкостью (особенно к соленой воде) и обычно используется для изготовления топливных баков. Он очень пластичен и ему легко придавать различные формы. 

6061 устойчив к коррозии, очень легкий и довольно прочный, что делает его идеальным для фюзеляжа и крыльев. 

7050 более устойчив к переломам, чем другие, и обычно используется в военных самолетах.

7075 — еще один сплав, обычно используемый в авиастроении; он обладает превосходной усталостной стойкостью и легко обрабатывается.

Температуру алюминиевого листа: O, H, W, F, T

H:H12, H14, H16, H18, H19, H22, H24, H26, H32, H34, H111, H112, H114, H116.

Т: Т0-Т651

Размер алюминиевого листа

Толщина: 0,2-6,0 мм

Ширина: 100-2400 мм

Длина: 200-11000 мм

Материнская катушка: CC или DC

Вес: около 2 м на поддон для общего размера.

Минимальный заказ: 5 тонн каждого размера

Защита: промежуточный слой бумаги, белая пленка, синяя пленка, черно-белая пленка, пленка с микропереплетом, в соответствии с вашими требованиями.

Поверхность: чистая и гладкая, без ярких пятен, коррозии, масла, щелей и т. д.

Стандартный продукт: GBT3880, JIS4000, EN485, ASTM-B209.

Применение алюминиевого листа 
Алюминиевый лист используется в строительных материалах и строительных материалах. В том числе: панель крыши, потолок, внутренняя стена, перегородка, ставни, жалюзи, ворота,
балкон, стена, дорожная разметка, уличные знаки, дорожная защитная плита, защитная плита для шоссе, несущая стена моста, строительные леса, корабельная плита и т. д.
Алюминиевый лист используется в компонентах электрических машин. В комплекте: защитная пластина, защитная коробка, конденсаторная коробка, бак силового конденсатора, электролитический конденсатор, регулируемый
батареи, вала громкости, корпуса громкоговорителя, пластины переключателя, полупроводникового радиатора, магнитного диска, корпуса двигателя, лопастей вентилятора, электрической плиты, охлаждающего ребра, радиатора и т. д.