Aluminium

Electrophoretic Aluminium profile

1. Strong corrosion resistance: surface corrosion resistance is very high, can effectively prevent acid, alkali. Salt erosion. It is the best variety to prevent the corrosion of building mortar.

2. Satisfactory performance life, even in harsh. Harsh environment decorative use, also can ensure more than 50 years of life without corrosion. No aging. No fading. It doesn't come off.

3. Feel smooth and delicate, bright and bright appearance. Magnificent. A variety of colors to choose from.

4. High hardness of paint film. Can resist more than 3H aluminum pen hardness engraving.

oxidants

The substrate as anode, placed in the electrolyte for electrolysis, artificially formed a layer of protective oxide film on the surface of the substrate to form aluminum oxide.

Main features of alumina:

1. It has strong wear resistance, weather resistance and corrosion resistance.

2, can form a variety of colors on the surface of the substrate, the maximum suitable for your requirements.

3, strong hardness, suitable for all kinds of construction, industrial material production.

Rare earth foams

Metal foam material is a new kind of engineering material which integrates physical function and structure. Its excellent physical properties make it widely used in many fields such as noise reduction, shock absorption, separation engineering, catalytic carrier, shielding protection, energy absorption buffer and so on. Aluminum foam, made from rare-earth aluminum alloys, is also seen as a promising material for future cars, ships and other transportation vehicles.

It is understood that the preparation methods of metal foam materials are roughly: powder metallurgy method, which can be divided into loose sintering and reaction sintering two kinds; Seepage method; Sintering dissolution method; Melt foaming process; Eutectic directional solidification method, etc. Among these preparation methods, melt foaming method has the most industrial production prospect because of its relatively simple production process and low cost. The metal foams supplied in the Japanese market are mainly aluminum foams produced by the melt foaming process.

The technical difficulties of melt foaming method are as follows: control the viscosity of melt; Select the right metal foaming agent. Generally, the viscosity of the melt is required to be larger, and the foaming agent used is required to bubble rapidly near the melting point of the metal.

The process is divided into two parts: 1. The development of rare earth aluminum alloy; 2. Preparation of rare-earth aluminum foam.

The development of rare earth aluminum alloy can not only improve the strength of the alloy, but also reduce the melting temperature of the alloy, which is conducive to the preparation of high strength rare earth aluminum foam. Under a certain viscosity of alloy, it is the key technology to prepare metal foam by evenly dispersing suitable foaming agent into melt. In the rare earth additives of rare earth aluminum alloy, the content of rare earth ranges from 0.1% to 0.7%.

The rare-earth aluminum alloy foam is prepared by melt foaming method. The aluminum alloy is used as the matrix metal, and the rare-earth aluminum alloy foam is smelted with the rare-earth additives prepared by oneself in the molten state. After the rare-earth aluminum alloy melt is obtained, the metal thickening agent and foaming agent are added, and the foam reaction is carried out in the rare-earth aluminum alloy foam tank.

Architectural category

Construction products made of aluminum and aluminum alloy materials. Usually, it is first processed into casting products, forging products and foils, plates, belts, tubes, rods, profiles, etc., and then made by cold bending, sawing, drilling, assembly, coloring and other processes.

Performance pure aluminum has low strength and its use is limited. But by adding a small amount of one or several alloying elements, such as magnesium, silicon, manganese, Copper, zinc, iron, chromium, titanium, etc., aluminum alloys with different properties can be obtained. After cold working and heat treatment, aluminum alloy is further strengthened and hardened, and its tensile strength is greatly improved.

The standard potential of aluminum is -1.67 volts, chemical properties are very active, easy to interact with the oxygen in the air and form a solid and dense oxide film, so in the ordinary atmosphere and clean water, aluminum has good corrosion resistance. But when it comes into contact with steel or other metal materials, it will produce electrochemical corrosion. When it comes into contact with alkaline materials such as concrete, cement mortar and lime in a humid environment, it will produce corrosion. When it comes into contact with wood and soil, it will also produce corrosion. Therefore, it is necessary to carry out appropriate anticorrosive treatment.

Aluminum alloy can be divided into cast aluminum alloy and deformed aluminum alloy according to different production methods. In construction, deformed aluminum alloys are generally used to roll into plates, foils, strips, and extruded into rods, tubes, or profiles of various complex shapes. Deformed aluminum alloy is divided into rust-proof aluminum alloy, duralumin, super duralumin and special aluminum according to its properties and uses. In construction, industrial pure aluminum (L1 ~ L1), rust-proof aluminum alloy (LF2, LF21, etc.) and forged aluminum (LD2) are generally used.

Characteristics and uses Aluminium and aluminium alloys are most distinguished by their bulk density being about 1/3 that of steel and their specific strength (the ratio of strength limit to specific gravity) reaching or exceeding that of structural steel. Secondly, aluminum and aluminum alloy are easy to process into a variety of shapes, can adapt to a variety of connection technology, so as to provide favorable conditions for building structure using the most economical and reasonable section form. Therefore, the use of aluminum alloy can not only greatly reduce the weight of the building, save materials, but also reduce the transportation of components, installation workload, speed up the construction schedule. This for earthquake area and transportation inconvenient mountainous and remote areas, its economic effect is more significant. Aluminum and aluminum alloy color beautiful, good corrosion resistance, high reflectance to light and heat, good sound absorption performance, through chemical and electrochemical methods can obtain a variety of different colors. Therefore, aluminum is widely used in roofing, walls, doors and Windows, skeletons, interior and exterior decorative panels, ceilings, suspended ceilings, railings, interior furniture, store containers and construction templates.

The construction industry is one of the three major markets for aluminum. About 20% of the world's total aluminum production is used in the construction industry. The construction industry in some industrially developed countries already uses more than 30% of its total aluminum production. The products of building aluminum are constantly updated, and the application of novel building products such as color Aluminum plate, composite aluminum plate, composite door and window frame, aluminum alloy template is also increasing year by year. In China, aluminum alloy has been applied in industrial and civil buildings to make roofing, walls, doors and Windows, and has gradually expanded to interior and exterior decoration, construction formwork, etc., and has achieved good results.