Physicochemical mechanics of structural transformations in nitrided steelстатья
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Дата последнего поиска статьи во внешних источниках: 30 октября 2013 г.
Аннотация:It is shown that the orientational anisotropy of intergranular cementite
precipitates formed in alloyed steels upon nitriding is due to the
presence of an internal stress field which affects the rate of cementite
precipitation, predominantly at the nucleation stage. The calculation of
the formation work of a new phase with account of both the thermodynamic
parameters and stress state makes it possible to estimate the
probability of the formation of precipitates on grain boundaries
depending on their orientation. The results of calculation are in a good
agreement with the experimental data.