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Article | REF: BM7731 V1

MAG welding in carmakers

Author: Mohamed BOUZEKRI

Publication date: April 10, 2015

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1. General characteristics of THR steels

  • Double-phase (DP) steels

    Double-phase steels have a microstructure consisting of ferrite and martensite, and sometimes a little bainite (figure 1 ). The level of maximum tensile strength depends on the volume fraction of martensite: the higher the fraction, the higher the tensile strength.

    Illustration of the microstructure of a double-phase steel (doc. Arcelor Mittal)
    Figure...
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General characteristics of THR steels
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