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Keywords: scanning electron microscopy
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Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. December 2011, 133(12): 122101.
Published Online: September 1, 2011
... content as observed in all sintered samples. 09 04 2011 12 04 2011 01 09 2011 01 09 2011 scanning electron microscopy thermal barrier coatings titanium compounds X-ray diffraction Young's modulus yttrium compounds zirconium compounds 1 Lange , F. F. , 1982...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. September 2011, 133(9): 091301.
Published Online: April 14, 2011
... sectioned and evaluated using scanning electron microscopy. Performance data were collected based on image analysis. Energy-dispersive X-ray was employed to study the elemental distribution in the TBC system after exposure. To better understand the loading and failure mechanisms of the coating system under...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. August 2011, 133(8): 082101.
Published Online: April 8, 2011
.... alumina blades cracks diffusion engines gas turbines grain boundaries hafnium compounds oxidation scanning electron microscopy X-ray chemical analysis 05 07 2010 07 07 2010 08 04 2011 08 04 2011 Initial observation of the material taken from the root region showed...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. July 2011, 133(7): 072102.
Published Online: March 22, 2011
..., first stage nozzle segment are presented and discussed. 17 05 2010 25 05 2010 22 03 2011 22 03 2011 condition monitoring corrosion fatigue creep gas turbines inspection metallography nozzles optical microscopes remaining life assessment scanning electron microscopy...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. May 2011, 133(5): 052908.
Published Online: December 13, 2010
... and dramatically soften after extended aging times. Microstructural analysis including transmission electron microscopy, scanning electron microscopy, energy dispersive X-ray spectroscopy, and electron backscatter diffraction was carried out to investigate the microstructure evolution during aging. A carbide...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. August 2010, 132(8): 082102.
Published Online: May 11, 2010
... engineering scanning electron microscopy tensile testing Tensile results at 22 ° C of the brazed specimens Tensile properties Ni–Cr–Hf joints 1238 ° C for 40 min Ni–Cr–Zr joints 1238 ° C for 40 min Ni–Cr–Hf joints 1238 ° C for 4 h Ni–Cr–Zr joints...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. August 2010, 132(8): 082103.
Published Online: May 11, 2010
... in the aerospace industry or industrial gas turbine (IGT) industry. Determine the microstructure of the two braze joints and quantitatively and qualitatively analyze the resultant intermetallic phases formed in the joint. Optical, scanning electron microscopy (SEM), and electron microprobe (EPMA) results...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. April 2010, 132(4): 042801.
Published Online: January 12, 2010
... locations in the liner (top dead center, bottom dead center, and midstroke) were measured and compared. A qualitative analysis was also carried out by conducting surface profiles and scanning electron microscopy at the same locations. 10 06 2007 20 10 2008 12 01 2010 12 01 2010...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. November 2009, 131(6): 062904.
Published Online: July 17, 2009
... with scanning electron microscopy and Raman spectroscopy. The polished samples are examined using a JEOL JSM-6300 scanning electron microscope operating at 5 kV and 6 × 10 − 8 A beam current. The spot size for EDS analysis is 50   nm 2 . For quantitative analysis a 300 s counting...
Journal Articles
Article Type: Technical Briefs
J. Eng. Gas Turbines Power. September 2009, 131(5): 054504.
Published Online: June 5, 2009
.... The analysis of melted edge shows presence of all the elements representing various coating layers as well as the impurities; however, Zr and Y were not detected in the melted areas. aerospace engines blades failure (mechanical) gas turbines scanning electron microscopy X-ray chemical analysis...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. July 2009, 131(4): 042904.
Published Online: April 16, 2009
... examined by using the scanning electron microscopy (SEM) equipped with energy dispersive X-ray spectroscopy (EDS). From the results of the weight loss and potentiodynamic experiments, it was found that a Si enriched oxide is attributable to a corrosion resistance for materials including Si in boiling 98 wt...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. March 2009, 131(2): 022101.
Published Online: December 19, 2008
... ceramics corrosion protection corrosion protective coatings cracks delamination engines failure analysis mechanical stability mechanical testing optical microscopy oxidation scanning electron microscopy thermal barrier coatings turbines X-ray chemical analysis 22 12 2007 19 06...
Journal Articles
Article Type: Technical Papers
J. Eng. Gas Turbines Power. October 2006, 128(4): 921–927.
Published Online: September 26, 2005
... engine cylinders pistons rings (structures) wear surface roughness scanning electron microscopy High compression ratio and lean fuel-air mixture give high thermal efficiency to compression-ignition (CI) engines. High fuel economy with high power makes these CI engines popular world-wide...
Journal Articles
Article Type: Technical Papers
J. Eng. Gas Turbines Power. January 2007, 129(1): 135–143.
Published Online: September 6, 2005
... coupon at 1150 ° C . Postexposure analyses included surface topography, scanning electron microscopy, and x-ray spectroscopy. Due to significant differences in the chemical composition of the various fuel ash samples, deposit thickness and structure vary considerably for each fuel. Biomass products (e.g...