{225} habit planes in martensitic steels: from the PTMC to a continuous model

Fine twinned microstructures with {225}γ habit planes are commonly observed in martensitic steels. The present study shows that an equibalanced combination of twin-related variants associated to the Kurdjumov-Sachs orientation relationship is equivalent to the Bowles and Mackenzie’s version of the PTMC for this specific {225}γ case. The distortion associated to the Kurdjumov-Sachs orientation relationship results from a continuous modeling of the FCC-BCC transformation. Thus, for the first time, an atomic path can be associated to the PTMC.


Published in:
Scientific Reports, 7, 40938
Year:
2017
Publisher:
London, Nature Publishing Group
ISSN:
2045-2322
Keywords:
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 Record created 2017-02-15, last modified 2018-09-13

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