Since it is difficult to weld aluminum and copper with other methods, this process is a perfect method of combining aluminum and copper.. Welding, as implied by the name, usually involves the joining ...

While arc welding has been used for decades to join metal parts on everything from cars to boats to airplanes, the basic technology behind this multi-billion dollar industry has changed little since ...

Figure 1: Two types of ultrathin gold nanowire samples used for cold-welding experiments. Figure 2: Head-to-head and side-to-side cold-welding geometries. Figure 4: Side-to-side welding of two gold ...