Laser welding is a non-contact method that keeps mechanical stress on the components to a minimum. The only stress affecting the product being joined is the vertical joining pressure. There are ...

The National Transportation Safety Board has released its final report on a deadly 2023 train derailment north of Pueblo. Here's what it concluded.

"The resulting accumulation of weld flash at the base served as an adequate stress concentration to initiate fatigue cracking while the rail was under cyclic loading." When interviewed by the NTSB ...