Digital Reconstruction of Engineered Austenite: Revisiting Effects of Grain Size and Ausforming on Variant Selection of Martensite

نویسندگان

چکیده

In this work, the variant selection of martensite in a stainless maraging steel was investigated by electron backscattering diffraction and new protocol parent phase reconstruction. The reconstruction enables digital austenite reversion into prior microstructure provides information from large number grains. It found that strong occurred when grains were significantly refined annealing or severely deformed ausforming. When grain size finer than 20 μm, it pair twinned variants dominated one packet, which dominates grain. This finding is explained inefficient space left early transformed dominant packet. contrast, with same Bain orientation occupied most strain exceeded 50%. accumulated microbands on 1 plane acted as nucleation sites specific martensite. work statistical results to revisit martensitic transformation assistance computational crystallography.

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ژورنال

عنوان ژورنال: Metals

سال: 2022

ISSN: ['2075-4701']

DOI: https://doi.org/10.3390/met12091511