Friction Stir Welding Liquid Cold Plate

Our company's fluid cooling plates manufactured using friction stir welding (FSW) technology set a new benchmark for high-performance, highly reliable liquid cooling solutions. This process generates heat through friction between a high-speed rotating stirrer and the workpiece, achieving metallurgical-grade bonding of the flow channel cover plate in a solid plastic state. This fundamentally eliminates leakage risks, ensuring ultimate sealing integrity and extended product lifespan.

Core Advantages:

· Leak-Free Reliable Sealing: The solid-state welding process eliminates porosity and cracks, delivering high weld strength for exceptional sealing reliability and completely preventing coolant leakage.

· Superior Thermal Conductivity: The dense, continuous weld metal ensures minimal thermal resistance, enabling efficient heat transfer from the substrate to the coolant without any performance degradation points.

· Robust Structure with Minimal Deformation: Welding temperatures remain below material melting points, preventing thermal stress and distortion. This perfectly preserves the liquid cooling plate's flatness and structural integrity.

· Broad Material Compatibility: Particularly suited for welding thermally conductive materials like aluminum alloys and copper, making it an ideal process for encapsulating large-scale, complex flow channel liquid cooling plates.

· Extended service life: The metallurgical bonded weld exhibits mechanical and thermal fatigue properties far exceeding traditional brazing or soft soldering, ensuring a lifespan matching the equipment's main body.

Our friction stir welded liquid cooling plates represent the ultimate choice for applications demanding extreme thermal management and reliability, including electric vehicle battery packs and drive systems, high-power server clusters, high-energy industrial lasers, and aerospace electronics.