منابع مشابه
Comments on “Bainite formation kinetics in high carbon alloyed steel”
We examine here the physical aspects and input parameters of a recently published model on the overall transformation kinetics of the bainite reaction in steels.
متن کاملDesigning low carbon, low temperature bainite
The possibility of producing bainite at low temperatures by suppressing transformation using substitutional solutes has been investigated, as an alternative to using large carbon concentrations to achieve the same purpose. It is found that although transformation temperatures can indeed be suppressed in this way, the difference between the bainite and martensite start temperatures diminishes. T...
متن کاملExamination of carbon partitioning into austenite during tempering of bainite
The redistribution of carbon after tempering of a novel nanocrystalline bainitic steel consisting of a mixture of supersaturated ferrite and retained austenite has been analyzed by atom probe tomography. No direct evidence supporting the additional carbon enrichment of austenite beyond that initially achieved during the bainite heat treatment was obtained during subsequent tempering of this hig...
متن کاملBainite transformation kinetics Part 2 Non-uniform distribution of carbon
The carbon concentration trapped in films of austenite between parallel platelets of bainite is often found to be much larger than that in the larger blocks of austenite between sheaves of bainite. The effect of this non-uniform distribution of carbon on the overall transformation kinetics of bainite is examined theoretically. It is found that the trapping of carbon in the films of austenite ac...
متن کاملNucleation rates for high supersaturations.
A new asymptotic expression for the stationary nucleation flux is obtained. The result provides a nontrivial generalization of the classical expression attributed to Zeldovich, and has a much broader domain of applicability. For extremely high supersaturations when the critical cluster number does not exceed a few units, the preexponential of the nucleation rate exhibits an oscillatory behavior...
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ژورنال
عنوان ژورنال: Materials Science and Engineering: A
سال: 2004
ISSN: 0921-5093
DOI: 10.1016/j.msea.2003.10.355