The Microstructure and Mechanical Properties of As-rolled Dual Phase Steel: Part II - Mechanical Properties (original) (raw)

1995

Abstract

The influence of pre-annealing and post-annealing heat treatments on the tensile properties of dual phase steel has been investigated. Post-annealing lowers the tensile strength and increases the % elongation by decreasing the aspect ratio of the fibrous martensite. The asrolled steel shows a 'delamination-type' fracture whereas the post-annealed steel does not. The tensile strength of these partitioned and fibrous steels are compared with Mileiko's theory for plastic instability in ductile composites.

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