What materials can ultrasonic metal welding be applied to?

Ultrasonic metal welding is an efficient, pollution-free, energy-saving, and non-destructive metal connection technology, widely used in fields such as automobiles, electronics, medical, communication, and aviation. Ultrasonic metal welding has the advantages of short time, high efficiency, firm connection, beautiful appearance, environmental protection and energy conservation. So, what materials can be used when applying ultrasonic metal welding technology?
Firstly, ultrasonic metal welding is suitable for most metal materials, such as aluminum, copper, stainless steel, nickel alloys, titanium alloys, tin, lead, gold, silver, etc. Among them, aluminum and copper materials have better welding effects due to their low melting point and easy processing. The welding difficulty of materials such as stainless steel, nickel alloy, and titanium alloy is relatively high, requiring personnel with higher technical requirements to operate.
Secondly, ultrasonic metal welding is suitable for materials of various shapes, such as circular, square, flat, irregular, etc. Due to the need to apply pressure during the welding process and generate heat through ultrasonic vibration friction for welding, the shape and size of the welding material have a relatively small impact on the welding effect.
Once again, the treatment of the material surface before welding has a significant impact on the welding effect. Before welding, the surface of the material needs to be cleaned and oxidized to ensure welding quality. In addition, the roughness of the material surface can also affect the welding effect, and the smaller the roughness, the better the welding effect.
Finally, ultrasonic metal welding is not suitable for the welding of some special materials, such as cast iron, hard alloys, etc., as their material hardness is relatively high, making it difficult to achieve material melting and flow during welding, thereby affecting welding quality.
In summary, ultrasonic metal welding technology has a certain range of applications in materials, but different welding techniques and requirements are required for different materials to ensure the quality and effectiveness of welding.