Abstract

A technique has been developed to combine simultaneously metallographic observation and x-ray diffraction in selected areas. Using an electron microprobe to produce a divergent x-ray beam, Kossel diffraction patterns have been obtained from small areas (60 microns in diameter) that have been selected with the optical microscope. In studies involving orientation determination for a large number of small grains, this method is very useful because it is possible to examine samples with a surface large enough to perform the whole experiment with only one specimen. This technique has been applied to study the orientation of small new grains at the early stages of recrystallization, using an x-ray microprobe analyzer.

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