Phase Identification by EBSD Analysis of Non-Metallic Crystallites
نویسنده
چکیده
Currently, EBSD is used routinely for phase and crystallites orientation mapping and studying the grain boundary of metallic and alloy samples [1]; this is partially due to the well-suited nature of these sample types for EBSD as they show no charging effect and can be polished smoothly to provide a good diffraction path from specimen surface back to EBSD camera. On the other hand, though not greatly investigated, EBSD can be applied to non-conducting, individual single crystals of micron and submicron sizes. Here the purpose is to use EBSD for phase identification of powdered samples composed of small crystallites for which the usual sample preparation methods is not applicable.
منابع مشابه
Electron Backscatter Diffraction (ebsd) – the Method and Its Applications in Materials Science and Engineering
The present work gives a brief overview of the current status of the electron backscatter diffraction (EBSD) technique. The fundamentals of the production of Kikuchi patterns are first discussed. An experimental set-up for the automated obtaining and processing EBSD patterns in scanning electron microscopy (SEM) is subsequently described and the relevant calibration and automatic Kikuchi patter...
متن کاملپایدارسازی ساختار تتراگونال زیرکونیا در سرمتهای لایه نازکZr-O و وابستگی آن به اندازه بلورکها
In this research, thin films of Zr/ZrO2 composites were deposited by reactive magnetron sputtering technique on Si and fused Silica substrates, and their structures were investigated by XRD method. During the deposition of the cermet layers, a Zr metallic target was sputtered in a gas mixture of Ar and O2. By controlling of O2 flow rate, the different metal volume fractions in the cermet layer...
متن کاملA comparison of grain size determination by light microscopy and EBSD analysis
The characterization and measurement of grain structures is of great importance to materials scientists because not only does grain size strongly affect the mechanical properties, but it also has an influence on physical properties, surface properties and phase transformations [1]. The ability to locate the grain boundaries in materials is critical for a wide number of applications, e.g. proces...
متن کاملFEASIBILITY OF PRODUCING NANO STRUCTURED METALLIC AND NON-METALLIC COATINGS ON Al SUBSTRATE USING MECHANICAL COATING ROUTE
In this paper, the possibility of mechanical coating of aluminum with either Ni or SiC using planetary ball mill was studied. The Al substrate was fixed inside of the vial lid of a planetary ball mill filled with milling balls and starting powder. The phase analysis and crystallite size measurement of the coatings were carried out using X-ray diffraction (XRD) method. Scanning electron micro...
متن کاملElectron backscatter diffraction from unpolished particulate specimens: Examples of particle identification and application to inhalable mineral particulate identification
By simply crushing mineral grains, suspending the powder in a liquid, and dispersing the suspension on a suitable substrate, it is possible to collect adequate compositional and structural information to identify an unknown phase using a scanning electron microscope (SEM) equipped with an energydispersive X-ray spectrometer (EDS) and an electron backscatter diffraction system (EBSD). This techn...
متن کامل