Raw Materials for Making Heat Sinks: What to Use

A heat sink is a passive heat exchanger that transfers the heat generated by an electronic or mechanical device to a fluid medium, where it is dissipated away from the device, thereby allowing regulation of the device's temperature. Air velocity, choice of material, protrusion design, and surface treatment are factors that affect the performance of a heat sink.


When it comes to making heat sinks, they come in all shapes and sizes and are made from a variety of materials. Here's a breakdown of the most common materials and how they can be used.

 Heat Sinks

Aluminum, Copper is the main materials for heat sinks, as well as bonded Aluminum / Copper (Al/Cu), heat sinks, and Copper heat pipes, with material usually determined by the application, heat intensity, production method, and budget. But not all materials are created equal when it comes to heat sinks.


Aluminum Heat Sinks

When it comes to raw materials for making heat sinks, aluminum is a great option. It's strong, yet lightweight, which makes it a good choice for cooling high-powered electronics.

In particular, extruded aluminum heat sinks fit the needs of most projects. The metal is lightweight and has relatively good thermal conductivity.


Copper Heat Sinks

Copper has high thermal conductivity, meaning it can dissipate heat quickly. Plus, it's corrosion-resistant, so it will last for years without rusting or corroding.

Copper is also a great choice for electrical applications, so if you're looking for a material that can handle both heat and electricity, copper is a good option.


When choosing the right material for your heat sink, there are a few things to keep in mind. Here are some pro tips:

1. Make sure the material can withstand high temperatures.

2. Consider the weight and thickness of the material.

3. Choose a material that is easy to work with and doesn't require a lot of specialized tools or equipment.

4. Make sure the material is corrosion-resistant.

5. Choose a material that is affordable and readily available.

6. Consider the environmental impact of the material.


There is no definitive answer as to what the best raw material is for a heat sink. It depends on a variety of factors, such as the amount of heat that needs to be dissipated and the constraints of the design.


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Tel: +86 136 8086 4695
E-mail: raymond.hu@sq-corp.com
Add: Suqun Industrial Park, Jiangbian Village, Qishi Town, Dongguan City, Guangdong Province, China
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