Low-Power Cold Weld Joining for In-Space Manufacturing
T2025-209
The Need
Current methods for joining metal components in space environments are often complex, energy-intensive, and can compromise the integrity of the materials due to heat-affected zones. There is a need for a reliable, low-power, and safe solution that can create strong metal bonds without causing significant plastic deformation or thermal damage.
The Technology
Our novel cold-welding technology, developed by OSU engineering faculty and students, utilizes Argon sputtering and electromagnetics to enable reliable, heat-free bonds. Argon sputtering is used to clean and flatten metal surfaces. A custom EM hammer is used to generate a strong, brief magnetic field to actuate a magnetic plunger, delivering precise, high-force contact between components to cold weld. This process ensures clean, strong bonds without heat-affected zones, making it ideal for in-space manufacturing and assembly.
Commercial Applications
• In-space manufacturing of large structures.
• Assembly of components in low Earth orbit.
• Repair and maintenance of spacecraft and satellites.
Benefits/Advantages
• Low Power Consumption: Efficient use of energy resources.
• Minimal Plastic Deformation: Preserves the integrity of the materials.
• No Heat-Affected Zone: Prevents thermal damage to metals.
• Safety: Reduces risks associated with traditional welding methods.
• Simplicity: Does not require sophisticated equipment, facilitating ease of use in space environments.
Provisional patent application filed