Choosing Copper or Aluminium? - finskiving.com

Advantages of aluminium heat sink

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As a raw material, aluminium heat sink has the following characteristics.

1. Lightweight

Aluminium is a light metal with a density of only 2.7g/cm, about a third that of steel and copper (7.85g/cm and 8.9g/cm). Therefore, it is used to make heat sink enclosure. The weight of aluminum profile is lighter under the same volume, and the light weight aluminium profile is put into production to make light and thin aluminium heat sink enclosure , which is very consistent with the current trend of the pursuit of light and thin products.

2. Corrosion resistance

The working environment of the heat sink is complex, and the selected raw materials will be able to pass the corrosion resistance. Aluminium can form a dense oxidation film on the surface to prevent further corrosion inside, and after surface treatment, the aluminium heat sink has better corrosion resistance. Therefore, aluminium profile with this point can be used in the actual standing, not in the later period because of metal corrosion and affect the aesthetic and thermal performance.

3. Thermal conductivity

Heat conduction and heat dissipation ability is one of the indispensable properties of heat sink. The thermal conductivity value of aluminium is 204/W·(m·k), but the hardness of pure aluminium is low, deformation is easy to occur when heated, and the pure aluminium into aluminum alloy can not only ensure excellent thermal conductivity, but also ensure the aluminium heat sink has a long service life.

Often can take copper and aluminium to compare when raw material in the industry, although copper is better than aluminium really on thermal conductivity property, but cannot realize lightweight body, also want higher than aluminium alloy on cost, because this aluminium profile heat sink is more popular on market.

4. The non-magnetic

Non - magnetic is also an important property of the heat sink enclosure. Among them, the heat sink enclosure put into audio and electronic products should be non-magnetic. In order to avoid interfering with the transmission of signals, while the aluminium alloy, which does not contain iron, cobalt, nickel and other metals, is not magnetic, so as not to interfere with the normal operation of audio and electronic products.

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5. Plasticity

The specific tensile strength, yield strength, ductility and corresponding work-hardening rate of metals all affect the range of shape variables. So different metals have differences in plasticity, and aluminum alloy is easy to forge and has a high plasticity, which is widely used in industry.

Aluminum heatsinks are essential in electronic devices that require cooling to prevent overheating and damage. As such, the demand for aluminum heatsinks has been steadily increasing over the years.

Choosing a suitable aluminum heatsink manufacturer is critical to ensure the performance and reliability of your electronic devices. When choosing a manufacturer, it is essential to consider factors such as quality, experience, customization, cost, and delivery time.

Radian Thermal Products specializes in producing aluminum heatsinks for various applications. We use advanced technology and high-quality materials to make heatsinks that meet the specific requirements of our customers. We have a team of skilled engineers who can design and develop custom heatsinks that meet clients&#; unique needs.

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