Tailoring retained austenite and mechanical property improvement in Al–Si–V containing medium Mn steel via direct intercritical rolling

J Hu, XY Li, QW Meng, LY Wang, YZ Li, W Xu - Materials Science and …, 2022 - Elsevier
Medium Mn steels are promising candidates for the third-generation advanced high strength
steels. However, it shows a distinct limit of mechanical property under conventional hot …

Improving mechanical properties and corrosion resistance of 0.5 wt.% C TRIP steel by adjusting retained austenite stability and microstructural constituents

XX Dong, YF Shen - Materials Science and Engineering: A, 2022 - Elsevier
Here the effect of retained austenite stability and martensite-austenite island/fresh
martensite on mechanical properties, fracture behavior, and corrosion resistance of 0.5 wt …

Processing, microstructure, mechanical properties, and hydrogen embrittlement of medium-Mn steels: A review

Y Zhang, Q Ye, Y Yan - Journal of Materials Science & Technology, 2024 - Elsevier
As a representative of steels available in the market, medium-Mn steel shows vast
application prospects in lightweight automobile fields. This review details the research …

Simultaneous enhancement of strength and ductility in a medium carbon low-alloy steel induced by secondary martensite and Cu-rich particles

XX Dong, YF Shen, N Jia, WY Xue - Materials Science and Engineering: A, 2023 - Elsevier
This study aims to simultaneously improve the strength and ductility of a medium carbon low-
alloy steel via Cu addition and the partitioning treatment. The obtained microstructure was …

Tailoring the austenite characteristics via dual nanoparticles to synergistically optimize the strength-ductility in cold rolled medium Mn steel

Q Ye, H Dong, Q Guo, Y Yu, L Qiao, Y Yan - Journal of Materials Science & …, 2024 - Elsevier
In this work, we proposed a novel Cu/θ dual nanoparticles strategy to tailor the austenite
characteristics of a medium Mn steel via a tempering-annealing process to optimize the …

[PDF][PDF] 微合金化对Q&P 钢组织性能影响的研究进展

曾金, 栗克建, 高翔, 刘波, 曹鹏军, 马鸣图 - 材料热处理学报, 2023 - qikan.cmes.org
淬火配分(Q&P) 钢属于汽车用第3 代先进高强度钢, 广泛应用在汽车和特种装备领域.
合金元素可以改善Q&P 钢中碳原子配分, 晶粒尺寸, 组织分布形态以及相变温度点等 …

Investigation of austenite decomposition behavior and relationship to mechanical properties in continuously cooled medium-Mn steel

Y Dong, B Zhang, MM Zhao, Y Du, RDK Misra… - Materials Science and …, 2022 - Elsevier
The austenite decomposition behavior in medium-Mn steel was investigated here by
combining thermo-mechanical controlled processing (TMCP) and continuous cooling …

Simultaneous enhancement of strength-ductility via multiple precipitates and austenite in a novel precipitation-hardened martensitic stainless steel

L Tan, D Li, L Yan, X Pang, K Gao - Materials Science and Engineering: A, 2023 - Elsevier
In this study, the advantages of the novel precipitation-hardened martensitic stainless steel
(abbreviated as novel steel) in terms of an excellent strength–ductility balance are fully …

[HTML][HTML] New route for fabricating low-carbon ductile martensite to optimize the stretch-flangeability of dual-phase steel

G Liu, H Guo, S Wang, T Liao, H Wu, X Ruan… - Journal of Materials …, 2024 - Elsevier
Traditional cold-rolling dual-phase steel (CR sheet), limited by poor stretch-flangeability as
indicated by the hole expansion rate (HER), faces challenges in manufacturing complex …

Comparative study on mechanical and corrosion fatigue properties of high-strength bridge steels produced by TMCP and intercritical quenching & tempering process

J Wang, L Sun, H Ma, X Cheng, X Li - Materials Science and Engineering: A, 2022 - Elsevier
The mechanical and corrosion fatigue properties of Q690 bridge steels produced by two
different process were comparatively investigated. The steel produced by thermal …