Results 81 to 90 of about 2,269 (228)

A Study on the Nanoscale Austenite Stabilized by Q&P Heat Treatment in a Low-alloy Medium-carbon Steel

Iranian Journal of Materials Science and Engineering, 2018
In this research, the objective was to investigate the stabilized retained austenite in the microstructure resulting from the Q&P heat treatment since the primary goal in Q&P is to create a microstructure consists of stabilized retained austenite ...
R. Jafari, Sh. Mirdamadi, Sh. Kheirandish, H. Guim   +3 more
doaj  

Mechanical Behavior of Multi-Phase Steels Comprising Retained Austenite. [PDF]

Materials (Basel), 2022
Perdahcıoğlu ES, Geijselaers HJM.
europepmc   +1 more source

Transferable Hot‐Deformation Flow‐Curve Modeling Across Steels Through Transfer Learning

Materials Genome Engineering Advances, EarlyView.
We propose a transferable sequence model that moves steel hot‐deformation ML beyond the “one‐case, one‐model” paradigm. Pretrained across compositions/windows and personalized with four extreme‐condition curves, it improves accuracy and robustness in 10‐fold evaluation.
Changqing Shu, Zhengjun Yao, Shuyan Wang, Xiaolin Zhu, Siyi Sheng, Guojin Xiang, Jicong Zhang, Qiuhao Gu, Liukai Hua, Shasha Zhang   +9 more
wiley   +1 more source

Synergistic enhancement of strength and ductility in Fe–10Mn-0.4C steel via short-time partitioning and cold rolling

Journal of Materials Research and Technology
In the conventional preparation of medium-manganese high-strength steel, hot rolling or cold rolling processes are primarily employed, interspersed with isothermal tempering to ensure the mechanical properties of the steel.
Ziwei Chen, Yan Wang, Yonghe Cai, Zhiping Xiong, Weiwei Zhu, Mingyu Li, Qihang Xiong, Guoqing Zu   +7 more
doaj   +1 more source

Using the Principles of Image Analysis in the Assessment of the Proportion of Retained Austenite in the Case Hardened Layers

Archives of Metallurgy and Materials, 2017
Structures of carburized layers after the surface saturation process in gaseous, liquid or solid medium and after subsequent heat treatment (hardening and low-temperature tempering) consist mainly of high carbon plate martensite with a certain portion of
Váňová P., Sojka J., Kulová T., Jokešová K., Purtátor P., Spinu A.   +5 more
doaj   +1 more source

EPMA quantification on the chemical composition of retained austenite in a Fe-Mn-Si-C-based multi-phase steel. [PDF]

Appl Microsc, 2022
Heo YU, Jeong CG, Kim SH, Yoon GY, Trang TTT, Woo Y, Yoon EY, Lee YS.   +7 more
europepmc   +1 more source

Designing γ‐TiAl Alloys With Refined Twin‐Lamellar Microstructures via Machine Learning‐Driven Phase‐Field Methods

Materials Genome Engineering Advances, EarlyView.
Dual‐phase γ‐TiAl alloys with refined twin‐lamellar (RTL) structures exhibit optimal strength‐ductility synergy. Here, phase‐field simulations reveal composition‐stress‐dependent refined twin‐lamellar (RTL) microstructure evolution. Machine learning (CatBoost + NSGA‐III) trained on phase‐field images predicts optimal RTL‐stress‐composition design space.
Jianwei Li, Zhenqiang Xiong, Chuanxin Liang, Tianjiao Dong, Heran Wang, Mengyuan Hao, Liqiang He, Tianlong Zhang, Dong Wang   +8 more
wiley   +1 more source

Characteristics of Retained Austenite in Cast GX70CrMnSiNiMo2 Alloy Tool Steel [PDF]

Archives of Foundry Engineering
Material wear strictly depends on hardness and microstructure, homogeneity of this microstructure in particular. The presence of retained austenite in the microstructure is not always the cause of the reduced wear resistance, though it is commonly ...
G. Tęcza, A. Garbacz-Klempka
doaj   +1 more source

Nanomechanics of Retained Austenite in Medium-Carbon Low-Temperature Bainitic Steel: A Critical Analysis of a One-Step versus a Two-Step Treatment. [PDF]

Materials (Basel), 2022
Zhou S, Hu F, Wang K, Hu C, Zhou W, Yershov S, Wu K, Zhang Z, Pan X.   +8 more
europepmc   +1 more source

Influence of Heat Treatment and Scan Rotation on the Microstructure of Hot Work Tool Steel Manufactured using Laser Powder Bed Fusion

steel research international, EarlyView.
The study investigates the influence of heat treatment and scan rotation on the microstructure of a modified H13 tool steel manufactured using laser powder bed fusion. Key findings include the refinement of prior austenite grains (PAGs) due to recrystallization and carbide pinning, and the significant impact of scan rotation on the size distribution of
Negar Panahi, Fengxiang Lin, Christos Oikonomou, Mikael Grehk   +3 more
wiley   +1 more source