Features of aluminum alloy products
The alloy based on aluminum with other alloying elements is one of the light metal materials. In addition to the general characteristics of aluminum, aluminum alloys have specific characteristics of some alloys due to the different types and quantities of alloying elements. The density of aluminum alloy is 2.63 ～ 2.85g/cm3, with high strength（ σ B is 110~650MPa), the specific strength is close to that of high alloy steel, and the specific stiffness is higher than that of steel. It has good casting performance and plastic processing performance, good electrical conductivity and thermal conductivity, good corrosion resistance and weldability, and can be used as structural materials. It has a wide range of applications in aerospace, aviation, transportation, construction, electromechanical, light chemical and daily necessities.
Jan 13,2023
Casting process of copper alloy
Copper alloys with different compositions have different crystallization characteristics, casting properties and casting process characteristics.
Dec 22,2022
Classification of copper alloys
There are three ways to classify copper alloys: according to the alloy system, it can be divided into non-alloy copper and alloy copper. Non-alloy copper includes high-purity copper, tough copper, deoxidized copper, oxygen-free copper, etc. Traditionally, people call non-alloy copper red copper or pure copper, also known as red copper, while other copper alloys belong to alloy copper. In China, alloy copper is divided into brass, bronze and white copper, and then divided into small alloy systems in large categories.
Dec 22,2022
Properties of composite materials
Fiber reinforced materials are widely used and used in composites. It is characterized by small specific gravity, large specific strength and specific modulus. For example, the composite material of carbon fiber and epoxy resin has a specific strength and specific modulus several times larger than that of steel and aluminum alloy, and also has excellent chemical stability, antifriction and anti-wear, self-lubrication, heat resistance, fatigue resistance, creep resistance, noise elimination, electrical insulation and other properties.
Dec 22,2022
Specific practice of aluminum steel
The specific method of aluminum steel is to immerse the steel parts in the molten aluminum bath, which is simple and easy for continuous operation. However, because the melting point of aluminum is as high as 660 ℃, the steel parts to be aluminized need to be pretreated and activated, and the oxidation of aluminum should be prevented. The surface of steel plate, steel strip and wire can be aluminized, and the thickness of aluminized layer can reach 0.05mm. Generally, the heat-resistant temperature of aluminized steel can reach 700 ℃, and its thermal reflection performance is also very good, which can reflect about 75% of the radiant heat. Aluminum steel can be used in muffle furnace, local heating device, heating furnace, etc.
Dec 22,2022
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Dec 22,2022
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