Dear James: I plan to add a new bathroom, and some old plumbing should also be replaced. I’m not comfortable using a torch and solder, so would plastic plumbing be good? — Laura W. Dear Laura: ...

Laser welding of plastics is now a convenient and flexible technique that is proving popular for joining automotive parts and medical equipment as well as consumer products. Most people are familiar ...

Figure 1. Various test samples that have been laser welded in an applications lab (a) and a low-density polyethylene fluid container welded with a diode laser system (b). Direct welding of plastics is ...

The last two decades have seen substantial improvements in ultrasonic plastic-welding machines. Bench-top models feature proportional-valve controls, linear encoders, line-voltage regulation, internal ...