... 04 2011 crack detection magnetic bearings rotors structural engineering Recent advancements in actuator technology, power electronics, sensors, and signal processing have created a rapid development of smart machine technologies for rotating machinery ( 1 2 ). Ranging from machine...

... are assumed to be unnecessary and a compact SG is developed. alloy steel boron alloys brazing crack detection fission reactor accidents fission reactor cooling fission reactor materials gold alloys heat exchangers heat transfer hot pressing leak detection nickel alloys nuclear reactor...

..., 2003; final revision, March 1, 2004. IGTI Review Chair: A. J. Strazisar. 13 June 2004 01 October 2003 01 March 2004 24 06 2005 jet engines materials testing aerospace test facilities aerospace safety life testing crack detection aerospace materials fatigue cracks...

... response % cracked Shaft speed (Hz) 0 70.62 10 67.04 20 60.55 30 52.29 40 43.01 The gravity forced response of the system model containing the global asymmetry crack model is fundamentally important when considering crack detection. The resulting 2 X...

... temperature. Then, for 50 and 100 Hz vibrations with constant stress amplitude superimposed on the same low cycle loading, respectively, the contrast L-HCCF life tests of light- and serious-corrosive disc mortises were carried out. Through real-time crack detection of the first teeth, the crack propagation...

... received by IGTI Oct. 1999; final revision received by ASME Headquarters Oct. 2000. Associate Editor: D. Wisler. 08 May 2000 01 Oct 1999 01 Oct 2000 gas turbines piezoelectric devices inspection crack detection monitoring sensors electric impedance measurement Health...

... Headquarters Oct. 2000. Associate Editor: D. Wisler. 08 May 2000 01 Oct 1999 01 Oct 2000 life testing crack detection ceramics high-temperature effects fatigue cracks failure (mechanical) materials testing mechanical testing Advanced ceramics are candidate materials...