Welding Method 7 (WM7), which was supported by an extensive set of research experiments led by the Electric Power Research Institute (EPRI), was approved in March 2020 by the National Board Inspection ...

The choice of welding method for your homebuilt aircraft’s steel tube fuselage represents one of the most critical decisions in your building journey. Each welding process offers distinct advantages ...

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 ...

Welding shops for educational facilities, whether they are part of a high school technology program or a technical college, are significantly different from industrial welding operations. In the ...

This article was updated March 7, 2023. It was originally published Dec. 9, 2004. Engineers have an impressive array of ways to join two pieces of metal including adhesives, nuts and bolts, and a long ...