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Datasets Acquired with Correlative Microscopy Method for Delineation of Prior Austenite Grain Boundaries and Characterization of Prior Austenite Grain Size in a Low-Alloy High-Performance Steel (Postprint)

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Journal Article - Open Access,19 Mar 2014,24 Apr 2019

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Air Force Research Laboratory, Materials and Manufacturing Directorate Wright-Patterson AFB United States

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Prior studies on martensitic steel microstructures have either delineated the prior austenite grain boundaries via chemical etching or reconstructed the prior austenite grains from crystallographic orientations measured with electron backscattered diffraction EBSD. To appropriately validate the reconstruction algorithms, the EBSD data need to be collected on martensitic microstructures, where the prior austenite grain boundaries are delineated with techniques such as chemical etching that can serve as ground truth for comparison with the reconstructed prior austenite grains. In this article, the method of correlative microscopy is employed to collect scanning electron microscope SEM image and automated EBSD scan data from the same region of an appropriately etched steel specimen. The SEM images and auto-mated EBSD scan data are presented for five different fields of view in the specimen. These datasets are analyzed and discussed in the accompanying article titled Correlative microscopy for quantification of prior austenite grain size in AF9628 steel 1.

Subject Categories:

  • Test Facilities, Equipment and Methods
  • Metallurgy and Metallography
  • Atomic and Molecular Physics and Spectroscopy

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