[HTML][HTML] A comprehensive overview of high strength and toughness steels for automobile based on QP process

S Bai, Y Chen, J Sheng, D Li, H Lu, P Bai… - Journal of Materials …, 2023 - Elsevier
Abstracts High-strength steels support the rapid development of modern automobile
industry. Especially quenching-partitioning (QP) steels have presented the considerable …

[HTML][HTML] Role of prior austenite grain boundary and retained austenite in strain localization of medium-carbon high-strength steels

W Yin, F Briffod, H Hu, K Yamazaki, T Shiraiwa… - Acta Materialia, 2024 - Elsevier
Exploring the micromechanical behavior of lath-martensitic quenching and tempering (Q&T),
as well as quenching and partitioning (Q&P) steels presents a significant challenge due to …

On the role of chemical heterogeneity in carbon diffusion during quenching and partitioning

C Zhang, Z Xiong, Z Li, Y Cao, D Yang, X Cheng - Acta Materialia, 2024 - Elsevier
Carbon partitioning is the core design of quenching and partitioning (Q&P) process, which
significantly improves the stability of retained austenite (RA). However, the inevitable …

Multi-interface migration mechanism induced by carbide precipitation during the quenching-partitioning-tempering process in a high-carbon steel

H Zheng, J Zhang, X Zuo, Y Rong, J Wan… - International Journal of …, 2024 - Elsevier
Phase-field finite element (PFFE) modeling of the quenching-partitioning-tempering (QPT)
process is proposed, and the two-dimensional PFFE-QPT model considering carbide …

Enhanced strength-ductility synergy in a new 2.2 GPa grade ultra-high strength stainless steel with balanced fracture toughness: Elucidating the role of duplex aging …

Z Liu, Z Yang, X Wang, J Liang, Z Yang, H Wu… - Journal of Alloys and …, 2022 - Elsevier
Tuning thermal treatment schedule has been confirmed as an effective technical route for
achieving optimum properties of steels. In the present work, the role of a unique duplex …

Enhanced mechanical properties of a high-carbon martensite steel processed by heavy warm rolling and tempering

J Wang, Q Tao, J Fan, L Fu, A Shan - Materials Science and Engineering: A, 2023 - Elsevier
The strength-ductility trade-off in steel, especially high-carbon steel, has been a long-
standing and troubling issue; steel with increased mechanical properties has attracted much …

Evolution of carbides and Charpy toughness in a low alloy bainitic steel during step-up aging process

L Jin, K Zhang, ML Zhu, FZ Xuan - npj Materials Degradation, 2024 - nature.com
The low alloy bainitic steel used in reactor pressure vessels deteriorates during thermal
service while the macroscopic thermodynamic parameters that cause thermal aging remains …

Effect of partitioning treatment on the microstructure and properties of low-carbon ferritic stainless steel treated by a quenching and partitioning process

L Meng, W Li, Q Shi, H Guo, W Liang, H Lu - Materials Science and …, 2022 - Elsevier
We carried out a quenching and partitioning (Q&P) process to some samples of AISI 430
ferritic stainless steel and applied intercritical annealing treatment to others as a …

A new understanding of transformation induced plasticity (TRIP) effect in austenitic steels

L Zeng, X Song, N Chen, Y Rong, X Zuo… - Materials Science and …, 2022 - Elsevier
Zackay et al proposed the transformation induced plasticity (TRIP) effect in the study of
austenitic steels in 1967, and they emphasized that the TRIP effect is caused by an increase …

[HTML][HTML] Effect of austempering temperature on microstructure and mechanical properties of M50 bearing steel

Y Su, S Yang, XF Yu, CB Zhou, YB Liu, XC Feng… - Journal of Materials …, 2022 - Elsevier
By means of microstructure observation and mechanical property tests, the effect of
austempering temperature on the bainite transformation, carbide precipitation, and the …