Design, Preparation and Properties of High Performance Steels (2nd Edition)

A special issue of Metals (ISSN 2075-4701). This special issue belongs to the section "Metal Casting, Forming and Heat Treatment".

Deadline for manuscript submissions: 30 April 2025 | Viewed by 645

Special Issue Editors


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Guest Editor
Collaborative Innovation Center of Steel Technology, University of Science and Technology Beijing, Beijing 100083, China
Interests: steels; microstructure; mechanical properties; machine learning
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Guest Editor
Bao Steel-SJTU Joint Research Center of Future Steels, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
Interests: steels; material design; mechanical behavior
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Steel is the workhorse of our infrastructure with widest application scope and largest consumption. Naturally, the development of steel has never ceased. Paricularly in the past hundred years, with the progress of modern physical metallurgy technology, the performances of steel have been greatly improved. Currently, for high-performance steels, not only have mechanical properties such as high strength and toughness been sought but more attention has also been focused on improving application performances, such as ensuring better weldability and formability, longer service life and higher safety. According to different engineering scenarios, more specific performance requirements are also proposed, such as crack resistance toughness of ship plate steel for super large container ships, seismic resistance and fire resistance performance of construction steel for modern buildings, impact resistance and wear resistance of tool and die steel for large stamping equipment, and corrosion and hydrogen induced cracking resistance of steel for tubular goods used in oilfields with severe corrosive environment, among others. The development of high-performance steel is inseparable from the support of physical metallurgy theory. The design of alloy elements not only considers the effect of solid solution and precipitation but also the nonequilibrium distribution and coupling effects between multi-alloying elements. The microstructure design has developed from the simple phase type to multi-phase and multi-scale regulation. The manufacture of steels has also become increasing complex, necessitating a narrow process window. It is believed that the continuous innovation of physical metallurgy theory and the continuous progress of industrial technology and equipment will undoubtedly promote the improvement of steel performances.

In this Special Issue, we welcome the articles that propose novel designs of alloying and processing to achieve high performance. Here, the term ‘high performance’ is not limited to a single outstanding property but also includes excellent comprehensive performances. Research works with bright engineering application prospects are particularly welcomed. We sincerely look forward to your contribution.

Dr. Xiucheng Li
Dr. Shilong Liu
Guest Editors

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Keywords

  • high-performance steels
  • strength
  • toughness
  • ductility
  • corrosion
  • wear resistance
  • microstructure
  • alloying
  • weldability

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Published Papers (1 paper)

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Research

32 pages, 14975 KiB  
Article
Parametric Study on Mechanical Behavior of Beam–Column Joint with L-Shaped Components
by Yuanyuan Xia, Suipeng Wang, Shen Li and Haizeng Yang
Metals 2025, 15(3), 228; https://doi.org/10.3390/met15030228 - 20 Feb 2025
Viewed by 446
Abstract
This paper introduces a beam–column joint with an L-shaped component formed by combining two traditional semi-rigid connection methods, namely top and bottom angle steel connections and end-plate connections. Test studies and finite element simulations are performed on two designed specimens (LJD-1 and LJD-2). [...] Read more.
This paper introduces a beam–column joint with an L-shaped component formed by combining two traditional semi-rigid connection methods, namely top and bottom angle steel connections and end-plate connections. Test studies and finite element simulations are performed on two designed specimens (LJD-1 and LJD-2). The reliability of the finite element model is confirmed, and the hysteresis curves are found to be relatively full, indicating excellent energy dissipation capacity. Moreover, it is revealed that the larger the joint length, the better the improvement in load-bearing capacity and ductility. Based on this, a finite element simulation is conducted considering the joint configuration, thickness of the vertical and horizontal plates, length of the horizontal plate, thickness of the end-plate, and the number of haunches. The optimal ranges for each parameter are determined. Full article
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