Influence of additional elements (Mo,Nb,Ta and B) on the mechanical properties of high-manganese dual-phase steels

Terao, Nobuzo;Cauwe, B.
(1988) Journal of Materials Science — Vol. 23, n° 5, p. 1769-1778 (1988)

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  • Terao, NobuzoUCLouvain
    Author
  • Cauwe, B.
    Author
Abstract
The influence of a small amount of alloying elements such as molybdenum, niobium, tantalum and boron to the 3 wt.% Mn ferritic dual-phase steels was examined. These elements give a microstructure in which the fine martensite phase is well dispersed in the ferrite matrix, which leads to a remarkable reinforcement effect on mechanical properties. It is possible to obtain a tensile strength, sigma /sub R /, approaching 700 MPa with a fracture elongation, /b A//sub R /, of more than 40%, or sigma /sub R/~1000 MPa with /b A/ /sub R/=+/-20% with relatively simple heat treatment.
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Terao, N., & Cauwe, B. (1988). Influence of additional elements (Mo,Nb,Ta and B) on the mechanical properties of high-manganese dual-phase steels. Journal of Materials Science, 23(5), 1769-1778. https://doi.org/10.1007/BF01115721 (Original work published 1988)