News & Announcements (Page 112)

Evaluation of plastic weld quality is a multi-industry challenge. Typical methods of weld evaluation such as mechanical or leak testing can determine whether a weld can accommodate a defined application requirement, but do not indicate whether the weld itself is good. A good weld is one in which the polymer chains from either side have...

Qualifying very thick steel and new steels for use in construction, shipbuilding, pipes, and heavy equipment is not easy. Charpy tests are usually used, but the resulting data is not always consistent. Bill Mohr, EWI Principal Engineer for Structural Integrity, has conducted a study of crack specimens with splits. His work shows that Charpy and...

The energy economy is experiencing a shift away from oil and gas sources as European nations and states, such as California, impose legislation on utilization and sourcing. A primary, would-be displacer of natural gas in the utility space is hydrogen (or chem + hydrogen hybrid fuels). In most cases, the preference of industry would be...