Formation mechanism and control technology of transverse corner cracks during slab continuous casting of microalloyed steels

M Zhu, Z Cai - steel research international, 2023 - Wiley Online Library
Microalloyed steel with Nb, V, Ti, and other alloying elements is one of the important steel
grades in the steel industry. During continuous casting process, high occurrence rate of …

Numerical simulation research and application of convex roll for efficient soft reduction of continuous casting slab

Q Zhou, Y Yin, J Zhang - Metallurgical and Materials Transactions B, 2022 - Springer
Soft reduction plays an important role in the internal quality control during the production of
the mid-thick slab, but it can also lead to cracks. Convex rolls can reduce the supporting role …

Thermomechanical and microstructural analysis of the influence of B-and Ti-content on the hot ductility behavior of microalloyed steels

M Gontijo, A Chakraborty, RF Webster, S Ilie, J Six… - Metals, 2022 - mdpi.com
The effects of the combined addition of B and Ti, as well as the influence of different strain
rates on the hot ductility behavior of low carbon, continuously cast, microalloyed steels were …

Effect of V on the Hot Ductility Behavior of High-Strength Hot-Stamped Steels and Associated Microstructural Features

Z Cheng, J Liu, R Wu, G Liu, S Wang - Metallurgical and Materials …, 2023 - Springer
The application of microalloying technology has been emerging as an effective method to
enhance the strength-ductility synergy of high-strength hot-stamped steels, although the …

Effect of austenite grain size on the hot ductility of Nb-bearing peritectic steel

Z Cai, J An, B Cheng, M Zhu - Metallurgical and Materials Transactions A, 2023 - Springer
Austenitic grain size is an important factor affecting the hot ductility of steel slabs during
continuous casting. In the present study, the effects of austenite grain sizes of approximately …

Formation and Deformation Mechanism of Mountain‐Like Surface Crack on the Hot‐Rolled Thick Plate of HSLA Steel

W Shen, G Cheng, G Wang - steel research international, 2023 - Wiley Online Library
Mountain‐like surface cracks often appear on the thick plates of high‐strength low‐alloy
(HSLA) steel after hot rolling, which have a serious impact on production efficiency. Herein …

Research mechanism of formation on transverse corner cracks in the continuous casting slab of peritectic steel

Q Zhou, Y Yin, Z Liu, J Zhang… - steel research …, 2022 - Wiley Online Library
To figure out the formation mechanism of transverse corner cracks at the inner and outer arc
of peritectic steel slab, the metallurgical microscope, scanning electron microscope with …

Formation and control of central cracks in alloy steel ZKG223

M Zhang, Y Bao, L Zhao, J Chen… - steel research …, 2022 - Wiley Online Library
When the molten steel contains high carbon and alloy elements, the continuous casting
bloom is prone to internal defects. Soft reduction is an effectively means of improvement and …

Effect Mechanism of α-Ferrite Sustained Precipitation on High-Temperature Properties in Continuous Casting for Peritectic Steel

S Ai, Y Li, M Long, H Zhang, D Chen, H Duan, D Jia… - Metals, 2024 - mdpi.com
Exploring the mechanism of the α-ferrite precipitation process on high-temperature
properties plays an important guiding role in avoiding slab cracks and effectively regulating …

A Prediction Model for Continuous Growth of Austenite Grains in Steel Casting Blank: Considering Complex Temperature Variation

P Tang, H Zhang, M Long, D Chen, K Wang - Metallurgical and Materials …, 2024 - Springer
During the continuous casting and isothermal soaking process, the steel casting blank
undergoes complex temperature variation. Accurately predicting the continuous growth of …