Advanced high-strength steels for automotive applications: arc and laser welding process, properties, and challenges

AK Perka, M John, UB Kuruveri, PL Menezes - Metals, 2022 - mdpi.com
In recent years, the demand for advanced high-strength steel (AHSS) has increased to
improve the durability and service life of steel structures. The development of these steels …

[PDF][PDF] Development of third generation advanced high strength steels for automotive applications

D Krizan, K Steineder, S Kaar… - Proceedings of the 19th …, 2018 - researchgate.net
A weight reduction, driven by constantly more stringent CO2 regulations along with an
improved crashworthiness of modern vehicles, motivates the steel industry to develop novel …

Chemical heterogeneity enables austenite stabilization in a Si-/Al-free Fe-0.2 C-2Mn steel

C Zhang, C Liu, H Guo, S Sun, H Chen, Y Liu, R Ding - Scripta Materialia, 2022 - Elsevier
A chemical heterogeneity of Mn is introduced into the parent austenite of a Fe-0.2 C-2Mn
steel. The Mn-rich regions in the parent austenite is substantially stabilized by a promoted C …

Effect of austempering treatment on the microstructure and mechanical properties of 0.4 C–1.5 Si-1.5 Mn TRIP-aided bainitic ferrite steel

Y Zhou, T Hojo, M Koyama, E Akiyama - Materials Science and …, 2021 - Elsevier
In this study, the effects of austempering treatment on the microstructure, mechanical
properties, and fracture mechanisms of Fe-0.4 C-1.5 Si-1.5 Mn transformation-induced …

[HTML][HTML] Strategy of complex carbides in microalloyed 4Mn steels processed by quenching and austenite reversion

SL Lu, SC Yang, K Zhu, YS Chen, JM Cairney, CM Lin… - Materials & Design, 2023 - Elsevier
This work describes a strategy to employ complex carbides for high-yield microalloyed 4Mn
steels processed by quenching and reversion (Q&R). The nano/microstructural details are …

Twin-spot laser welding of advanced high-strength multiphase microstructure steel

A Grajcar, M Morawiec, M Różański, S Stano - Optics & Laser Technology, 2017 - Elsevier
The study addresses the results concerning the laser welding of TRIP (TRansformation
Induced Plasticity) steel using a beam focused at two spots (also referred to as twin-spot …

The effect of martensite banding on the mechanical properties and formability of TRIP steels

A Ramazani, H Quade, M Abbasi, U Prahl - Materials Science and …, 2016 - Elsevier
Abstract Transformation Induced Plasticity (TRIP) steels possess high strength and great
formability. In the current research work, the effect of banded martensite microstructure onto …

Microstructure–property relationships in TRIP aided medium-C bainitic steel with lamellar retained austenite

A Grajcar, W Kwaśny, W Zalecki - Materials Science and …, 2015 - journals.sagepub.com
This work discusses the development of the microstructure and mechanical properties of
medium-carbon steel that contains silicon, aluminium and microadditions of Nb and Ti. Two …

In Situ Observation of Retained Austenite Transformation in Low-Carbon Micro-Alloyed Q&P Steels

X Ye, H Zheng, G Zhang, Z Chang, Z Zheng, Z Huang… - Crystals, 2023 - mdpi.com
Retained austenite (RA) transformation and its role in the mechanical properties of three low-
carbon micro-alloyed quenching and partitioning (Q&P) steels was investigated utilizing in …

Comparative Investigation of Phase Transformation Behavior as a Function of Annealing Temperature and Cooling Rate of Two Medium‐Mn Steels

K Steineder, R Schneider, D Krizan… - steel research …, 2015 - Wiley Online Library
Transformation‐induced plasticity (TRIP)‐assisted medium‐Mn steels with a ferritic matrix
containing considerable amounts of retained austenite are a promising candidate to fulfill …