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Study by TEM, EDS, EELS and electron diffraction of precipitation reactions in a Cr-Mn austenitic steel with and without He-implantation

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Abstract

A study of precipitation reactions in the Cr-Mn austenitic steel Nitronic 32 was performed by means of electron microscopy, electron diffraction, X-ray microanalysis and electron energy loss spectrometry. The material was examined: (a) after solution annealing and ageing at 773, 1023 and 1073 K; (b) after solution annealing followed by ambient temperature He-implantation and ageing at 773 and 1023 K and, (c) in the solution annealed state for comparison. The formation of the phases M23C6 and Cr2N was observed. Their precipitation modes and sequence are described and discussed.

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Ruedl, E., Valdré, G. Study by TEM, EDS, EELS and electron diffraction of precipitation reactions in a Cr-Mn austenitic steel with and without He-implantation. J Mater Sci 23, 3698–3705 (1988). https://doi.org/10.1007/BF00540517

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