Development of fireproof alloy aluminum plate

At present, the wooden decorative board used in the market is a kind of excellent decorative board made by using natural tree species (such as Fraxinus mandshurica, oak, beech, maple, cherry, etc.) to decorate veneers or artificial wooden decorative veneers through precise cutting or rotary cutting, sticking them on the substrate, and adopting excellent adhesive technology and hot pressing. However, as a building material, wood decorative board has poor fireproof, moisture-proof and corrosion resistance. Moreover, the exploitation of a large amount of wood is not conducive to greening and environmental protection.

For this reason, technicians provided a fireproof alloy aluminum plate, the structure of which includes: a base layer, the surface of which is a corrugated structure, which is an aluminum substrate layer; The panel layer is arranged on the surface of the base layer through an adhesive layer, and the top and bottom are respectively connected with the panel layers on both sides. The corrugated structure is sine wave or square wave, and the side parts of the base layer are respectively connected with the panel layers on both sides. The thickness of the base layer is 1 mm to 2 mm, and the thickness of the panel layer is 1 mm to 4 mm.. The adhesive layer is 307 resin adhesive layer or epoxy resin adhesive layer.

Compared with wood board, the beneficial results of this alloy aluminum board are as follows:

Classification and characteristics of alloy aluminum plate composites

According to the different reinforcement systems, aluminum alloy composite materials can be divided into fiber reinforced and equiaxed grain reinforced aluminum alloy composite materials with particle diameter between 05100m m. Fiber-reinforced alloy aluminum composite materials include continuous fiber (with a diameter of 3~140qm and an aspect ratio greater than 1000) and short fiber or whisker (with a diameter of 0.1 ~ 20 GM and an aspect ratio of about 50).

The reinforcement systems used for continuous fiber reinforced aluminum alloy composites mainly include the properties and uses of various aluminum alloy composites such as open fiber, alumina fiber, silicon carbide fiber and carbon fiber, as shown in Table 1. From Table 1, it can be seen that the continuous reinforced aluminum alloy composites have excellent properties and have shown great application potential as high-strength and heat-resistant materials in aerospace and military fields.

Whisker reinforced aluminum alloy composite has high specific strength, specific modulus, good thermal stability, fatigue resistance, wear resistance and other excellent properties, and has developed rapidly, becoming an important branch of aluminum alloy composite. In the past, the research focused on Sic and SiN as reinforcing phases. In the 1990s, researchers first studied aluminum borate whisker reinforced alloy aluminum composites, and then China Metal Research Institute also studied aluminum borate whisker and achieved the goal of large-scale production. Recently, people have successfully prepared the diesel engine piston with reinforced outer wall annular groove by using potassium titanate whisker reinforced aluminum alloy which has been studied in recent years with low cost.

The reinforced systems of particle reinforced aluminum alloy composites mainly include SiC, TiC, A12O3 and graphite glume, which solves the problem of high preparation cost of fiber reinforced aluminum alloy composites. Moreover, the composites are isotropic, which solves many shortcomings that affect the properties of materials, such as fiber damage, uneven microstructure, fiber-to-fiber contact, and too large reaction zone. Particle reinforced aluminum alloy composite can be widely used in aerospace, military, automobile, electronics, sporting goods and so on.

1, because the aluminum alloy composite plate is firmly combined by multiple layers of plates, the flatness of the plate surface is high, and the efficiency of fire prevention and sound insulation is good;

2. As the panel layer of the fireproof aluminum alloy composite board is thin, its thickness is 1-4mm, and the thickness is determined by the required weight and strength, so the bonded composite board or multi-composite board is thin, which reduces the weight compared with the existing whole board, and can increase the safety factor and prolong the service life in decoration, thus expanding its application range.

3. Because the alloy aluminum plate is easy to be colored, it has many uses. When decorating in shopping malls and families, it can be used as a decoration for columns and walls. Its appearance color can be said to be what people want, so they can apply excellent technology to change it into the desired color. Therefore, people say that it is an aluminum plate specially used for decorations.

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