6. Glossary

aciers multiphasés; multiphased steel

Steels with mixtures of several phases other than ferrite and pearlite, such as ferrite – martensite or bainite – martensite-austenite.

double phase steels; double phase

Steels made from a ferrite-martensite mixture.

TRIP steels (Transformation Induced Plasticity)

Multi-phase steel containing martensite and residual austenite, which transforms into martensite during forming.