Stir-Welded Heat Sinks

Friction Stir Welding (FSW) is a solid-state joining process that uses frictional heat generated by a rotating tool to soften and join two pieces of material without melting them. This process creates a high-strength bond between the materials. It is particularly advantageous when manufacturing large heat sinks that otherwise require expensive tooling. It offers a cost-effective alternative for small to medium-sized orders. By weighing the tooling costs against the welding costs, customers can determine the most economical approach for their specific needs.

• High-Quality Joints: Friction stir welding produces clean, strong, and durable joints with minimal defects, ensuring reliable performance in demanding thermal conditions.
• Low Distortion: The process generates minimal heat, reducing distortion and preserving the precise dimensions needed for effective heat dissipation.
• Energy Efficiency: Friction stir welding uses less energy than traditional methods, making it an environmentally friendly option.
• Cost-Effective for Manufacturing Large Heat Sinks: Friction stir welding allows for the economical production of large heat sinks by joining smaller, less expensive sections, avoiding the need for large and costly tooling.
• Cost-Effective for Small Orders: By avoiding large tooling costs, friction stir welding can be more economical for small to medium orders, despite the higher unit price due to the welding process.
• Design Flexibility: Friction stir welding allows for the creation of complex, custom heat sinks by joining smaller sections, eliminating the need for specialized tooling.