.... The application for the overlay was the repair of cavitation erosion damage on a large Francis turbine used in a hydroelectric project. The overlay weld consisted of a 4 × 6 pattern of 100 × 100 mm 2 squares. Each square was covered by 15 weld passes. Each weld pass was 100 mm long. The total length of weld...

... , in Japanese. 02 05 2006 19 04 2007 11 06 2008 boilers creep diffusion fatigue cracks grain boundaries high-temperature effects maintenance engineering microcracks reliability scanning electron microscopy steel thermal power stations turbines creep cavity creep...

... examples shown are for positive displacement machines, axial turbines, and steam-generator tube-bundle vibrations. The advances in mesh technology, including deforming meshes with nonconformal sliding interfaces, open up this new field of application of computational fluid dynamics and mechanical analysis...

...F. V. Ellis; D. R. Sielski; R. Viswanathan A research project was conducted to develop and validate an improved, analytical life prediction method for high-temperature turbine and valve studs/bolts. The life prediction method used the two-parameter creep equation, an incremental calculation...

...F. V. Ellis; Sebastian Tordonato Analytical life prediction methods are being developed for high-temperature turbine and valve studs/bolts. In order to validate the approach, the calculated results are compared to the results of uniaxial stress relaxation testing, bolt model testing, and service...