Jan. 06, 2025
Aluminum honeycomb panel is a honeycomb sandwich plate with honeycomb structure as its core, which is inspired by the natural hexagonal honeycomb. The unique honeycomb structure makes its weight lighter than other materials in the same volume, and the stiffness and overall stability is very good as well, what's more, aluminum honeycomb panel also has the advantages of sound insulation and heat insulation. The aluminum alloys are neither radioactive nor volatile. They can be completely recycled and reused, then saving resources and energy, and minimizing environmental pollution. This makes honeycomb aluminum panels used as a new energy-saving, environmentally friendly and healthy material.
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Compared with other materials, aluminum honeycomb panel has many advantages:
The core layer of the honeycomb panel is a typical cellular structure, the continuous polygonal cells are regularly arranged, so that the solid portion of the honeycomb panel has a small cross-sectional area, so the density of honeycomb panel is lower than the other sandwich materials. Since the density of honeycomb panel is much smaller than that of ordinary sheets such as laminates and steel sheets, the weight is also the lightest in same volume. It is only 9% of FRP laminate, 11% of steel, and 23% of aluminum alloy, which makes aluminum honeycomb panel can save a lot of energy for aircraft application. The feature of low-density and light-weight makes the honeycomb panel meet the requirements of 'lightweight, energy-saving and environmentally friendly' materials for aerospace engineering aircraft and transportation vehicles.
According to mechanical analysis, the structure of honeycomb panel is connected with each other like I-beams. The skin sheet bears the in-plane load like I-beam flange, function of honeycomb core is similar to the web of I-beam, bearing shear stress, connecting and support both skin sheet. However, different with I-beam web, the honeycomb core is not a thin rib but a dense reinforcement. The core layer is bonded to the entire surface of the board, and the height of core layer is much larger than the thickness of skin sheet, which makes section inertia moment multiplied, the overall stability is also increased while the overall stiffness is increased.
When the honeycomb panel is subjected to external impact, the impact force can be converted into the plastic deformation energy of the honeycomb core, therefore, impact energy can be effectively absorbed. Through the self-dropping ball impact test on the aluminum honeycomb panel, there is no crack by inspecting dent area and depth of impact site, it indicate that the toughness of the aluminum honeycomb panel is better and the impact resistance is stronger, and most of the energy can be absorbed by its own deformation. The damping effect is good.
The material used to produce the honeycomb panel itself has no heat insulation and sound insulation properties, aluminum is a good conductor of heat and sound. However, the unique structure of the honeycomb panel makes it has good heat insulation and sound insulation performance.
The core is a cellular structure, hexagon hole occupies most of the space. For example, a honeycomb panel is 51.96×48.00×12.20mm, foil thickness of honeycomb core is 0.1mm. The solid part is only 4% of the total volume. After the composition of honeycomb core and skin sheet, the cells are hexagonal column-shaped closed spaces, and the air layer between skin sheets is also divided into a plurality of closed cells, preventing air flow, and heat is difficult to convert and transmit. In this structure, the propagation of sound waves is also greatly limited, so the honeycomb panel has pretty good heat insulation and sound insulation properties.
The aluminum panel is made of aluminum plate and aluminum honeycomb core. The aluminum alloy is a non-combustible material, which plays a good role in fire retardant and fire protection. In addition, the aluminum alloy itself has good chemical stability, corrosion resistance, and moisture resistance.
The thickness of the honeycomb aluminum panel can be selected at 6mm-100mm according to actual needs, and the shape can also be made into a flat plate, a single curved panel or a double curved panel according to specific requirements. Honeycomb aluminum panel not only has good formability but also is not easily deformed after forming.
The raw material of aluminum honeycomb panel is aluminum alloy, which is not radioactive and does not volatilize any harmful gases. Honeycomb panels can also be completely recycled, saving resources and energy, and meeting the requirements of energy saving and environmental protection. In addition, the honeycomb panel reduces the load of the transportation vehicle, improves the power, reduces the fuel consumption, and exhaust pollution while saving energy.
The skin sheet of honeycomb panel can be used directly (mill finish) or coated with different colors or patterns. (RAL color, wooden patterns or even stone patterns)
In the field of construction, aluminum honeycomb panels are often used to make ceilings for subway stations, large shopping malls, conference rooms, curtain walls, louvers and roofs for high-rise buildings, as well as screen dividers, soundproof panels, portable mobile homes for banks and hotels. The aluminum honeycomb panel not only has a good decorative effect but also can utilize the characteristics of vibration damping to reduce the casualties and property losses caused by the earthquake.
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(honeycomb panel for exterior wall decoration)
Due to the above advantages, aluminum honeycomb panels are widely used in aviation, aerospace, transportation, construction, military and other areas. For example, Used for rocket fairings, aircraft wings and warehouses, train bulkheads and floors, car skins and doors, ceilings and curtain walls for building., In application of wings and vertical tail, as well as the cockpit, cargo floor, and the door partition or cargo compartment, The honeycomb panels can effectively reduce the weight of aircraft and improve the handling sensitivity of moving parts.
(honeycomb panel for high-speed train)
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Larcore Aluminium honeycomb panels offer unmatched strength, durability, and versatility for diverse projects. Their unique honeycomb structure ensures dimensional stability under high stress. These panels offer excellent safety and energy efficiency. Customisable for a range of applications, you are able to choose the perfect match for your project. Another key factor that makes aluminium honeycomb panels a standout choice is their eco-friendly profile. Being recyclable, they contribute significantly to reducing environmental impact. By choosing these panels, you're not only making a smart and cost-effective decision but also embracing sustainability.
The key benefits of aluminium honeycomb composite panels include the following:
These composite panels are prized for their extremely low weight without compromising on strength. The honeycomb structure means that in certain applications, these panels are up to 40 times stronger. Find out more about the benefits of lightweight panels here.
Despite being low in weight, the material used to create the panel core and the design of the honeycomb structure ensures that these panels are extremely rigid. The honeycomb structure effectively prevents deformation.
The high strength-to-weight ratio is among the highest of all honeycomb composite panels that are currently available. The material's properties and connectivity of the cells provides increased stability and rigidity, making these honeycomb panels ideal for many high-specification industries. Read our guide to the applications for lightweight composite panels.
Aluminium composite panels are known for having a high compressive strength, meaning that they have the capacity to bear higher weight loads than other materials. They also have extremely good impact resistance.
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