Critical assessment of TRIP-aided bainitic ferrite steels

Koh ichi Sugimoto; Tomohiko Hojo; Junya Kobayashi

doi:10.1080/02670836.2017.1356014

Critical assessment of TRIP-aided bainitic ferrite steels

Koh ichi Sugimoto, Tomohiko Hojo, Junya Kobayashi

Materials Design Division

Research output: Contribution to journal › Article › peer-review

12 Citations (Scopus)

Abstract

Transformation-induced plasticity (TRIP)-aided bainitic ferrite steels developed for automotive applications have attractive mechanical properties such as ductility, formability, toughness, fatigue strength and delayed fracture strength. These mechanical properties are principally associated with a ductile lath-structure matrix and the strain-induced transformation of the metastable-retained austenite films of 3–20 vol.%. In this paper, data on the microstructural and mechanical properties of the low-carbon TRIP-aided bainitic ferrite steels are critically assessed, as well as their deformation mechanism.

Original language	English
Pages (from-to)	2005-2009
Number of pages	5
Journal	Materials Science and Technology (United Kingdom)
Volume	33
Issue number	17
DOIs	https://doi.org/10.1080/02670836.2017.1356014
Publication status	Published - 2017 Nov 22

Keywords

TRIP-aided bainitic ferrite steel
mechanical property
microstructure
retained austenite
strain-induced transformation

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

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AB - Transformation-induced plasticity (TRIP)-aided bainitic ferrite steels developed for automotive applications have attractive mechanical properties such as ductility, formability, toughness, fatigue strength and delayed fracture strength. These mechanical properties are principally associated with a ductile lath-structure matrix and the strain-induced transformation of the metastable-retained austenite films of 3–20 vol.%. In this paper, data on the microstructural and mechanical properties of the low-carbon TRIP-aided bainitic ferrite steels are critically assessed, as well as their deformation mechanism.

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