Alsi25 Alloy Factories | Alsi25 Alloy For Sale

Alsi25 Alloy Factories | Alsi25 Alloy For Sale

High-strength aluminum alloys refer to aluminum alloys whose tensile strength is greater than 480 MPa, mainly hard aluminum alloys, superhard aluminum alloys and casting alloys in pressure-processed aluminum alloys.
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Tianjin Zuoyuan New Material Technology Co., Ltd. is a high-tech company specializing in advanced metal material preparation technology research and high-performance metal material development, production and sales. Mainly produces high-silicon aluminum alloy and superhard aluminum alloy, including alloy raw materials, bars, pipes, plates, profiles and so on. Widely used in aerospace, aviation, electronics, automotive, machinery and petroleum industry and other sophisticated fields.

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The production process of silicon aluminum alloy

1. Melting and casting method
The smelting and casting method has simple equipment, low cost and can realize large-scale industrial production. It is the most extensive preparation method of alloy materials. Using conventionally cast high-silicon aluminum alloys, the distribution of Si is extremely uneven, cracks are prone to occur during processing, and the material has severe component segregation, coarse grains, and poor mechanical properties. It is difficult to carry out subsequent processing such as machining. As the silicon content in the alloy increases, the problem becomes more prominent, so it is difficult to prepare high-silicon aluminum alloy materials by conventional casting.
2. Infiltration method
The infiltration method is divided into pressure infiltration method and pressureless infiltration method. The pressure infiltration method is to pressurize the base metal melt into the reinforcement gap by mechanical pressure or compressed gas, which can solve the problem of incomplete infiltration due to the non-wetting of the reinforcement material and the metal liquid, but the pressure system is relatively complex. , thus restricting its application development
3. Powder metallurgy
The main process of powder metallurgy is to uniformly disperse a certain proportion of aluminum powder, silicon powder and binder, mix the powder by dry pressing, injection and other methods, and finally sinter in a protective atmosphere to form a relatively dense material. This method solves the problem of poor wettability between silicon particles and aluminum matrix, and it is difficult for silicon particles to be added into the melt, and the material can be formed at one time with less cutting process, which overcomes the disadvantage that metal matrix composite materials are difficult to process. However, this method is complicated in process, difficult to precisely control, not compact, and high in cost.
4. Vacuum hot pressing
The vacuum hot pressing method refers to a sintering process in which pressure molding and pressure sintering are carried out at the same time. The general process is: under vacuum conditions, the powder is installed in the mold cavity, and the powder is heated while pressurizing, and a compact and uniform material is formed after a short time of pressurization. However, due to the complex process and poor operability, the application of this technology in the preparation of high-silicon aluminum alloys is limited.
5. Rapid cooling/jet deposition
Rapid cooling/spray deposition technology is a rapid solidification technology developed to compete with powder metallurgy and other technologies in order to overcome the problems of complex procedures and serious oxidation. Because this process has incomparable advantages over other processes, it has developed rapidly in recent years. Rapid cooling/spray deposition has the following advantages: 1) no macrosegregation; 2) fine and uniform equiaxed microstructure; 3) fine primary precipitates; 4) low oxygen content; 5) improved hot workability.

The production process of silicon aluminum alloy

Hypoeutectic Al-Si Alloy

Hypo-eutectic Al-Si alloys (Al-Si alloys other than eutectic and hyper-eutectic): The Si content of hypo-eutectic Al-Si alloys commonly used in industry is generally 6% to 8%, and other strengthening elements are added for toughness processing. Common ones are Al-Si-Mg alloys and Al-Si-Cu alloys. Among them, Al-Si-Mg alloys mainly use the Mg2Si phase formed by Mg and Si as the strengthening phase, and Al-Si-Cu alloys mainly use the Mg2Si phase formed by Mg and Si as the strengthening phase. The high solid solubility of Cu in α-Al produces solid solution strengthening and dispersion strengthening of the Al2Cu strengthening phase precipitated during heat treatment.

Hypoeutectic Al-Si Alloy

alsi25 alloy |material composition

Aluminum alloy is a general term for aluminum-based alloys. The main alloying elements are copper, silicon, magnesium, zinc, manganese, and the minor alloying elements are nickel, iron, titanium, chromium, lithium, etc. The most widely used non-ferrous metal structural materials in the industry have been widely used in aviation, aerospace, automobile, machinery manufacturing, shipbuilding and chemical industries.

alsi25 alloy |material composition
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What users say about Us

We have been sourcing high-silicon aluminum alloy from Tianjin Zuoyuan for several years now, and their consistently top-notch quality has been instrumental in our aerospace projects. Their dedication to precision and reliability sets them apart in the industry.

Jovan

The superhard aluminum alloy products from Tianjin Zuoyuan have truly exceeded our expectations. We rely on their materials for our cutting-edge electronics manufacturing, and they've never let us down. Excellent products and exceptional service!

Thiago

Tianjin Zuoyuan's high-silicon aluminum alloy products have played a pivotal role in our advanced machinery manufacturing. Their consistency in delivering high-quality materials and their attention to detail make them our go-to supplier.

Cassian

As a leading player in the petroleum industry, we demand the best materials, and Tianjin Zuoyuan consistently delivers. Their superhard aluminum alloy products have improved our drilling operations significantly, and their partnership approach is truly valued.

Soraya
Frequently Asked Question

Do you have any question?

Yes. All AlSi alloys can be machined easily, such as CNC, EDM, wire cutting etc.

We have a rapid solidification process, which is further optimized on the basis of the spray molding process (also known as spray deposition), which is similar to the atomization pulverization process, which sprays molten, atomized metal onto a rotating substrate , the metal forming process of forming metal ingots or billets. . This process has a high solidification rate and a relative density of over 99.2%. After hot working (forging, rolling, extrusion or HIP), the material is processed into a dense product.

Tianjin Zuoyuan New Material Technology Co., Ltd. is a high-tech company specializing in the research of advanced metal material preparation technology and the development, production and sales of high-performance metal materials. With the valuable experience accumulated over the years in the field of non-ferrous metal development and the integration of advanced automation control technology, Zhongyuan has achieved remarkable results in the field of high-performance metal materials and has become an innovative enterprise with strong competitiveness in this field. The superhard aluminum alloys and high wear-resistant aluminum alloys developed by the company have been successfully applied in high-end fields such as aerospace, satellite communications, and auto parts industries.

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