Two different kinds of experimental techniques were used to in-situ study the austenite formation during intercritical annealing in C-Mn dual phase steel. The microstructure evolution was observed by confocal laser scanning microscope, and the austenite isothermal and non-isothermal transformation kinetics were studied by dilatometry. The results indicate that banded structure is produced for the reason of composition segregation and the competition between recrystallization and phase transformation. Austen...
【英文摘要】
Two different kinds of experimental techniques were used to in-situ study the austenite formation during intercritical annealing in C-Mn dual phase steel. The microstructure evolution was observed by confocal laser scanning microscope, and the austenite isothermal and non-isothermal transformation kinetics were studied by dilatometry. The results indicate that banded structure is produced for the reason of composition segregation and the competition between recrystallization and phase transformation. Austen...
【基金】
Project(2013AA031601)supported by the National High Technology Research and Development Program of China;
Project(2012BAF04B01)supported by the National Science and Technology Pillar Program During the 12th Five-year Plan Period of China
【更新日期】
2015-05-25
【分类号】
TG142.1
【正文快照】
?Central South University Press and Springer-Verlag Berlin Heidelberg 20151 IntroductionDual phase steel(DP),which contains hardmartensite islands dispersed in soft ferrite matrix,showsa combination of high strength,good ductility,continuous yielding,low
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