期刊
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
卷 527, 期 10-11, 页码 2684-2692出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.msea.2009.12.037
关键词
Electron microscopy; Image analysis; Segmentation; Nickel-based superalloys; Microstructure
The size distribution and volume fraction of the gamma' phase in Ni-based superalloys plays a critical role in microstructural evolution and mechanical properties. Automated analysis of images is often desired for rapid quantitative characterization of these microstructures. Backscatter electron imaging of specimens in which the gamma' phase has been selectively etched yields images that can be more readily segmented with image processing algorithms than other imaging techniques. Utilization of this combination of sample preparation and imaging technique allows for the rapid collection of microstructural data. (C) 2009 Elsevier B.V. All rights reserved.
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