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Carbide-Free Bainite: Compromise between Rate of Transformation and Properties

2010; Springer Science+Business Media; Volume: 41; Issue: 4 Linguagem: Inglês

10.1007/s11661-009-0164-z

1543-1940

Sangeeta Khare, Kyooyoung Lee, H. K. D. H. Bhadeshia,

Microstructure and Mechanical Properties of Steels

By identifying the relationship between the time required to obtain bainite and parameters such as the transformation temperature and carbon concentration, it has been possible to institute a design procedure that led to the desired mechanical properties and transformation characteristics. The work has also identified difficulties in the calculation of tensile elongation on the basis of a percolation model, which suggests that fracture occurs when the fraction of austenite drops below the percolation threshold in the microstructure.