Journal
MATERIALS SCIENCE AND TECHNOLOGY
Volume 23, Issue 7, Pages 819-827Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1179/174328407X179746
Keywords
TRIP assisted steel; martensite; bainite; delta ferrite
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A combination of neural networks and genetic algorithms has been used to design a TRIP assisted steel in which the silicon concentration is kept low. In this context, the steel has a novel microstructure consisting of delta ferrite dendrites and a residual phase which at high temperatures is austenite. This austenite can, with appropriate heat treatment, evolve into a mixture of bainitic ferrite and carbon enriched retained austenite. The steel has been manufactured and tested to reveal a tensile strength of similar to 1 GPa and a uniform elongation of 23%.
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