... behavior of both PS-PVD and EB-PVD coatings, samples subjected to 300 and 600 thermal cycles were measured during a 1 h thermal cycle to determine the strains, which were converted to stress, in the thermally grown oxide (TGO) layer of the TBCs using synchrotron X-ray diffraction (XRD). Room temperature...

...Mehran Tehrani; Marwan Al-Haik; Hamid Garmestani; Dongsheng Li In this study, the effect of moderate magnetic fields on the microstructure of a structural epoxy system was investigated. The changes in the microstructure have been quantitatively investigated using wide angle X-ray diffraction (WAXD...

... dynamics method nanocomposites nanoindentation nanostructured materials polymers viscoelasticity X-ray diffraction Advancement on modeling, microstructure characterization, property measurement, and processing in polymer based advanced materials raised interest to integrated computational...

... was made. X-ray diffraction analysis showed less decarburization of the nanocrystalline coating and a more homogeneous coating structure than the microcrystalline coating produced under the same spraying conditions. The mechanical assessment of the coatings was performed using microhardness and indentation...

... stainless steel X-ray diffraction fluidized bed peening stainless steel rotating bending fatigue life Fatigue resistance of highly stressed components is by far one of the most important issues to consider when they are submitted to constant and variable amplitude loading. Their fatigue...

... investigated machining-induced workpiece microstructure variation using X-ray diffraction. It has been found that (1) under gentle cutting conditions, there was a 10% increase in the median grain size compared with unmachined ECAE NS/UFG copper bars. Increases in the arithmetic-, area-, and volume-weighted...

... bending fatigue. x-ray diffraction (XRD) measurements were carried out to determine the initial and stabilized residual stress fields. The residual stress field created by the surface treatments has been introduced into a finite element (FE) model by means of a fictitious temperature distribution...

... deformation X-ray analysis X-ray diffraction zinc alloys fiducial grids microfocus X-rays mesoscopic scale plasticity In metallic alloys, the mesoscopic scale involves single grains or a limited number of grains. The characteristic length of the phenomena relevant with this scale starts...

... alloy specimens is developed. In parallel ceramic-metal joints are produced and tested. Residual stresses are measured by X-ray diffraction while the joint strength is assessed by four-point bend tests. The obtained elastoplastic properties of the filler are introduced into finite element models...

... 2007 27 05 2008 18 12 2008 bending strength crystal structure doping electrolytes ionic conductivity scandium compounds sintering solid oxide fuel cells solid-state phase transformations vacancies (crystal) X-ray diffraction ytterbium compounds zirconium compounds...

... the fiber surfaces. 31 07 2007 15 05 2008 09 09 2008 adhesion biodegradable materials elastic moduli elongation fibre reinforced plastics filled polymers Fourier transform spectra infrared spectra resins tensile strength ultrasonic effects X-ray diffraction biofibers...

... compared with X-ray diffraction measurements. Fatigue tests were done to compare the fatigue life of the holes with various chamfer sizes and angles. The cold expansion chamfered holes showed a clear improvement in fatigue life over cold expanded holes without chamfers. The sample material used...

...R. M. Suter; C. M. Hefferan; S. F. Li; D. Hennessy; C. Xiao; U. Lienert; B. Tieman We describe our recent work on developing X-ray diffraction microscopy as a tool for studying three dimensional microstructure dynamics. This is a measurement technique that is demanding of experimental hardware...

... of this complex phenomenon lead to interesting nonlinear effects in materials/engineering science as well as in other fields. Here, the synchrotron based energy dispersive x-ray diffraction (EDXRD) technique is used for high spatial resolution profiling of both compression and tension induced strain localization...

... at a constant cavitation number with various nozzle-traveling velocities. Residual stress induced by oil jet cavitation peening was measured using X-ray diffraction. Oil cavitation jet peening results in a smooth and hard surface. The developed compressive residual stresses at the peened surface are about 52...

... at 1050 ° C for an hour. The microstructure and phase analyses of the specimens were conducted using electron scanning microscopy and X-ray diffraction. The mechanical properties of the specimens were determined in terms of the ASTM Standard Test Method for Tension Testing of Metallic Materials (E8-96...

..., obtained using three independent measurement techniques, of the residual stress field generated in an aluminium alloy plate after side-punching. Incremental center hole drilling is used to determine the near-surface residual stress field, while synchrotron x-ray diffraction and deep hole drilling are used...

... contents, i.e., between the Ti C x - 60 vol % NiTi and NiTi layers, although the overall reaction time increased and correspondingly average burning velocity decreased. Chemical and phase analysis of each reacted layer was conducted using a Phillips X’Pert x-ray diffraction (XRD...

..., temperatures of 500 ° C and 620 ° C , and the times varied between 48 and 120 hours. Following the creep tests all specimens were evaluated magnetically and then metallurgically by optical and scanning electron microscopy, x-ray diffraction (XRD) and by energy dispersive spectroscopy (EDS). The microstructural...

... in the microstructures were analyzed using metallographic, X-ray diffraction, and differential scanning calorimetry techniques. Wear resistance, tensile and fatigue behaviors of the alloys were investigated on a pin-on-disc tribometer, MTS machine and rotating-bending machine, respectively. It is found that the wear...