Quench and Bainite (Q&amp;B) Thermal Cycle as an Alternative to Standard Quench and Partitioning (Q&amp;P) Annealing to Produce AHSS

Artem Arlazarov; Jean Marc Pipard; Nora Kabou; Pierre Targy; Marc Olivier Thénot

doi:10.4028/p-4Mqfqb

Paper Titles

Prediction of TTR Diagrams via Physically Based Creep Simulations of Martensitic 9-12% Cr-Steels
p.159

Influence of the Holding Thickness and Process in the Microstructure and Mechanical Properties of a Microalloyed 380 MPa Structural Steel
p.167

Application of CALPHAD for the Prediction of Matrix Phase Transformations in Steel
p.173

Towards High Strength-Ductility Balance Using Double Annealing Cycles
p.179

Quench and Bainite (Q&B) Thermal Cycle as an Alternative to Standard Quench and Partitioning (Q&P) Annealing to Produce AHSS
p.185

Importance of through Hardening of Low-Alloy High Performance Martensitic Steels for Large Section Applications
p.191

Effects of Substrate Microstructure and Chemical Composition on Liquid Metal Embrittlement in Galvanized 3rd Generation AHSS
p.199

Double Soaking of Medium Manganese Steels
p.207

On High Performance Steels for Fasteners
p.213

HomeMaterials Science ForumMaterials Science Forum Vol. 1105Quench and Bainite (Q&B) Thermal Cycle as an...

Quench and Bainite (Q&B) Thermal Cycle as an Alternative to Standard Quench and Partitioning (Q&P) Annealing to Produce AHSS

Abstract:

In this work a new kind of thermal treatment, called Quenching and Bainite (Q&B), was proposed and studied. A rather standard Fe-C-Mn-Si composition was used for this study. Annealing trials were performed using a combination of salt pots on relatively big samples allowing to perform the standard tensile and hole expansion tests. The obtained results were compared with the properties obtained using more known Q&P annealing. Generated microstructures were also compared. Characterization was done using optical and Scanning Electron Microscopy as well as magnetization saturation method for measuring retained austenite fractions. The Q&B heat treatment provides an alternative way to obtain 3G AHSS with promising strength-ductility-formability compromise.

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Periodical:

Materials Science Forum (Volume 1105)

Pages:

185-190

DOI:

https://doi.org/10.4028/p-4Mqfqb

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Online since:

November 2023

Authors:

Artem Arlazarov*, Jean Marc Pipard, Nora Kabou, Pierre Targy, Marc Olivier Thénot

Keywords:

Advanced High Strength Steels, Mechanical Properties, Quenching and Partitioning, Retained Austenite, Transformation Induced Plasticity (TRIP)

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