Centrifugal fans used in power generation applications are subjected to abrasive environments. After sufficient time in service, the wearing surfaces of fans require repair or replacement. In planning ...

For many years, the OEM fix for major cracking or shell distortion was replacement of the defective shell, also referred to as casing by some OEMs, with new. Mechanical Dynamics and Analysis has ...

ABB Turbocharger Co. has extended its turbine blade remanufacturing program to include welding repairs of damaged VTR..4 series turbocharger turbine blades to original design specifications. The new ...

A dent in aluminum is not the same as a dent in steel. Aluminum is heat-sensitive, work-hardens rapidly, and has a protective oxide layer. Steel — especially modern high-strength grades — resists ...

A skilled welder carefully repairs a heavy-duty excavator auger, restoring worn edges and reinforcing critical stress points.

OAKLAND — While Caltrans and contractors scurry to prepare the new Bay Bridge for opening on Sept. 3, state inspectors are also busy below decks, painstakingly scanning 656 feet of welds at the base ...

DNV GL and Subsea Global Solutions LLC (SGS) say that they have completed an extensive joint research and development program, that will allow permanent repairs to be carried out by underwater wet ...

For shaft repairs, LBW-W is generally more applicable than LBW-P. The first reason for this is that LBW-W has a lower probability of forming defects, namely porosity, which may result in rejectable ...

Scientists are conducting tests of a new system that will allow researchers to advance welding technologies for repair of irradiated materials by developing processing conditions and evaluating ...

The fracture in the tie girder that shut down the Interstate 40 bridge over the Mississippi River for three months this summer likely developed in a weld repair made during the fabrication of the ...