Topic
Electron backscatter diffraction
About: Electron backscatter diffraction is a research topic. Over the lifetime, 15184 publications have been published within this topic receiving 317847 citations. The topic is also known as: EBSD.
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TL;DR: In this paper, the non-equilibrium microstructure of the heat-affected zone (HAZ) in the as-welded modified 9Cr-1Mo-V-Nb pipe steel (P91) weldment was characterized by field-emission scanning electron microscope (FESEM) and electron backscatter diffraction (EBSD).
91 citations
TL;DR: The phase differentiation process can be improved by collecting chemical information through X‐ray energy‐dispersive spectroscopy simultaneously with the crystallography information through EBSD and then using the chemical information to pre‐filter the crystallographic phase candidates.
Abstract: Summary
Electron backscatter diffraction (EBSD) and orientation imaging microscopy have become established techniques for analysing the crystallographic microstructure of single and multiphase materials. In certain instances, however, it can be difficult and/or time intensive to differentiate phases within a material by crystallography alone. Traditionally a list of candidate phases is specified prior to data collection. The crystallographic information extracted from the diffraction patterns is then compared with the crystallographic information from these candidate phases, and a best-fit match is determined. Problems may arise when two phases have similar crystal structures. The phase differentiation process can be improved by collecting chemical information through X-ray energy-dispersive spectroscopy (XEDS) simultaneously with the crystallographic information through EBSD and then using the chemical information to pre-filter the crystallographic phase candidates. This technique improves both the overall speed of the data collection and the accuracy of the final characterization. Examples of this process and the limitations involved will be presented and discussed.
91 citations
TL;DR: In this paper, microstructures and textures of deformed eclogites from the Les Essarts complex were investigated using optical microscopy and electron backscatter diffraction (EBSD) in the scanning electron microscope.
91 citations
TL;DR: Laser dynamic forming (LDF) as mentioned in this paper is a new hybrid forming process, combining the advantages of laser shock peening, and metal forming, with an ultra high strain rate forming utilizing laser shock waves.
Abstract: This article discusses the feasibility of a new microforming technique—laser dynamic forming (LDF). LDF is a new hybrid forming process, combining the advantages of laser shock peening, and metal forming, with an ultra high strain rate forming utilizing laser shock waves. Experiments are conducted on copper foils to demonstrate this forming process. After the forming process, the mechanical and microstructure of the formed work piece will be characterized. Electron backscatter diffraction will be used to investigate the grain microstructure and misorientations quantitatively. The residual stress distributions will be measured using x-ray diffraction. The key factors for the improved formability of this high strain rate microforming process will be discussed in detail. With further development, LDF may become an important microforming technology for various materials.
91 citations