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Metals
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High Performance Bearing Steel
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High Performance Bearing Steel

A special issue of Metals (ISSN 2075-4701).

Deadline for manuscript submissions: closed (31 January 2024) | Viewed by 2616

Special Issue Editors

Dr. Xiaodan Zhang

E-Mail Website
Guest Editor
Department of Civil and Mechanical Engineering, Technical University of Denmark, 2800 Kgs. Lyngby, Denmark.
Interests: nanometals; ultrahigh strength steels; defromation mechanisms; microstructural design and properties
Dr. Wenquan Cao

E-Mail Website
Guest Editor
China Iron and Steel Research Institute Group, Beijing, China
Interests: microstructure; automotive engineering; mechanical properties; phase transformations; plasticity

Special Issue Information

Dear colleagues,

Bearing steels have been developed for over 100 years to achieve increasingly higher strength, longer fatigue life, and higher reliability. High-performance bearing steels are specifically designed to provide superior wear resistance, toughness, corrosion resistance, and fatigue properties compared to standard bearing steels. Their properties are largely dependent on their microstructure, which can be optimized through proper heat treatments and careful selection of alloying elements. These steels are commonly used in applications where extreme loads, high speeds, and harsh operating conditions are encountered, such as in aerospace, automotive, and industrial machinery. The field of high-performance bearing steels is broad, including the high carbon bearing steel, case hardening bearing steel, stainless bearing steel, high-temperature resistance bearing steel, and nonmagnetic bearing steel. This edition welcomes papers on but not limited to the following aspects on bearing steels science and engineering to achieve high performance:

  • Casting, refining, steel chemical composition, inclusion control, and cleanliness;
  • Microstructure design and control through thermomechanical and thermochemical processing;
  • Microstructural and defect characterization, such as inclusions and porosity and their relations to properties;
  • Surface integrity processing, including roughness, residual stress, and coating;
  • Wear, rotatory bending fatigue, rolling contact fatigue, white structure flaking failures, and corrosion-resistant properties;
  • Special purpose bearing steels, such as those for aerospace applications;
  • Powder metallurgical processing routes and additive manufacturing methods;
  • Modeling on fatigue processes, residual stress effect, fatigue life, and wear.

Dr. Xiaodan Zhang
Dr. Wenquan Cao
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Metals is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • high-performance bearing steels
  • cleanliness
  • microstructure
  • fatigue
  • wear
  • corrosion
  • modeling

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Published Papers (1 paper)

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Research

14 pages, 11926 KiB  
Article
Obtaining Excellent Mechanical Properties in an Ultrahigh-Strength Stainless Bearing Steel via Solution Treatment
by Kai Zheng, Zhenqian Zhong, Hui Wang, Haifeng Xu, Feng Yu, Cunyu Wang, Guilin Wu, Jianxiong Liang, Andy Godfrey and Wenquan Cao
Metals 2023, 13(11), 1824; https://doi.org/10.3390/met13111824 - 29 Oct 2023
Cited by 5 | Viewed by 1910
Abstract
A novel versatile ultrahigh-strength stainless bearing steel was prepared by first solution treating the steel at temperatures between 1000 °C and 1100 °C for 1 h, followed by performing cryogenic treatment at −73 °C for 2 h, and tempering at 500 °C for [...] Read more.
A novel versatile ultrahigh-strength stainless bearing steel was prepared by first solution treating the steel at temperatures between 1000 °C and 1100 °C for 1 h, followed by performing cryogenic treatment at −73 °C for 2 h, and tempering at 500 °C for 2 h, with the cryogenic and tempering treatments being repeated twice. The microstructures were characterized using multiscale techniques, and the mechanical properties were investigated using tensile testing, as well as via Rockwell hardness and impact toughness measurements. Tensile strength was found to be independent of solution temperature, with a value of about 1800 MPa. In contrast, yield strength decreased from 1530 MPa to 1033 MPa with increasing solution temperature, while tensile elongation increased from 15.3% to 20.5%. This resulted in an excellent combined product of tensile strength and elongation for steels initially treated at 1080 °C and 1100 °C, with values of 33.9 GPa·% and 37.0 GPa·%, respectively. Furthermore, the steels showed excellent impact toughness, increasing from 37.0 J to 86.2 J with increasing solution temperature. The microstructural and mechanical investigations reveal that the excellent mechanical properties and impact toughness are related to three factors, namely (i) a transformation-induced plasticity effect, mainly attributed to a high volume fraction of retained austenite, (ii) a high strengthening capacity arising from a high dislocation density, and (iii) a synergistic effect due to cobalt additions and the nanoprecipitation of M2C and M6C carbides. Full article
(This article belongs to the Special Issue High Performance Bearing Steel)
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