High Purity Silicon Aluminum Alloy Si-Al Powder

About Silicon-Aluminum Alloy SiAl Powder The high-silicon-aluminum alloy powder is an alloy binary composed of silicon-based and aluminum-based metals and is used as a thermal management material. The high-silicon aluminium alloy material is able to maintain the excellent performance and content of aluminum and silicon. Silicon powder can be prepared with a mature technology at a low price. The material is non-polluting and harmless to humans. What is the purpose of adding silicon to aluminum?
Addition of silicon to aluminum results in a more fluid metal alloy, without the metal breaking down at high temperature. The silicon lowers the melting point of aluminum. As there is no brittleness, the aluminum will not suffer from hot tearing.
The coefficient of thermal contraction (CTE) of aluminum alloys high in silicon is 7-20ppm. Increasing the amount of silicon in the alloy can reduce its density and thermal coefficient. High-silicon Aluminum Alloy has high thermal conductivity as well. It also has high specific strength and stiffness. is a global Silicon Al Alloy Powder supplier. Please feel free to contact us at any time for the latest Silicon Aluminum Alloy price.

What is Silicon Aluminum Alloy Si Al powder ?
Preparation of silicon and aluminium alloy
(1) no pressure infiltration method
To prepare composite materials, melt the aluminum alloy into the prefabricated silicon particle parts.
(2) Pressure infiltration method
Applying an external force causes liquid aluminum to penetrate into the preforms of silicon powder to encourage the penetration, wettability and recombination. The normal procedure is to first prepare the prefabricated reinforcements of silicon particles and then cast the composites permeable.
(3) vacuum hot pressing method
Pressure forming and pressure silting are carried out simultaneously in vacuum conditions.
(4) Method of powder metallurgy
The method for making a specific proportion of silicon powder, aluminum powder and binder using dry pressing or injection methods and other methods in order to create powder mixing molding and then sintering the material under a protective environment;
(5) Rapid solidification method
Also known as rapid cooling, increasing the cooling rate can increase the solidification temperature and speed, thereby improving the microstructure.

Application for Silicon Aluminum Alloy Powder Si-Al:
1) High power integrated circuit packaging : high silicon aluminum alloy for heat dissipation.
2) Carrier : It can act as a localized heat sink, allowing the components to be arranged more closely.
3) Optical Frame: Aluminum alloy high-silicon provides low thermal coefficient, high rigidity, and machinability.
4) Heat sink components: the high-silicon aluminum alloy is effective at dissipating heat and providing structural support.
Silicon Aluminum Alloy Si Al powder in automotive parts
This high-silicon aluminum alloy (with a silica content of 20-35%) has excellent tribological characteristics and can be widely used as a lightweight, wear-resistant advanced material for various transportation vehicles, machines, tools, fasteners, and tools.
High-silicon aluminium alloys have a number of advantages including small specific weights, lightness, good thermal conductivity with low thermal expansion coefficients, volume stability, wear resistance and corrosion resistance. They are widely used for cylinder sleeves, brake discs, pistons of automobiles, and other materials.

Storage condition of Silicon Aluminium Alloy Powder Si-Al:
Si-Al powder will not perform well if it is exposed to dampness. Therefore, you should store the silicon aluminum powder in a dry and cool room. It is also important to avoid putting the silicon alloy powder under pressure.

Packing & Shipping Silicon Aluminium Alloy Powder Si-Al Powder :
The packing we use depends on the amount of Si-Al alloy powder.
Packing for silicon aluminum alloy SiAl: vacuum packaging, 100g/bag, 500g/bag or 1kg/bag or 25kg/barrel or your request.
Once payment has been received, the powder can be shipped by air, sea or express.