Roles of N-Alloying and Austenitizing Temperature in Tuning the Hardness and Strengthening–Toughening Behavior of M42 High-Speed Steel

Li, Huabing; Jiao, Wei-Chao; Feng, Hao; Wang, Haijian; Zhu, Hong‐Chun; Huo, Xiao Jiao; Wu, Wei

doi:10.1007/s11661-023-07032-w

Metall Mater Trans A

2023

DOI: 10.1007/s11661-023-07032-w

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Roles of N-Alloying and Austenitizing Temperature in Tuning the Hardness and Strengthening–Toughening Behavior of M42 High-Speed Steel

Huabing Li

Wei-Chao Jiao

Hao Feng

et al.

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Cited by 5 publications

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Homogenization Treatment and Plastic Deformation Improve the Carbide Homogeneity of M42 High‐Speed Steel

Yuan,

Yin,

Qiao

et al. 2024

steel research int.

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The mechanical properties of high‐speed steel (HSS) are significantly influenced by the distribution of carbides formed during solidification. Despite extensive research, the nonuniform cooling in large ingots remains an area requiring further investigation. In this study, the microstructure inhomogeneity in M42 HSS with a diameter of 330 mm is examined. Models are developed to predict the dissolution of carbide networks during homogenization, achieving a 39% reduction in hardness variation (Δr) between the center and surface. Further improvements are attained through hot forging and rolling, leading to the fragmentation of the carbide network into a banded structure. Additionally, a detailed carbide tip dissolution model is established, providing a reliable basis for optimizing annealing processes. As a result, the carbide distribution converges significantly, with hardness variations reduced by 88% to only 0.3 hardness Rockwell C scale, showcasing substantial enhancement in material homogeneity.

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Homogenization Treatment and Plastic Deformation Improve the Carbide Homogeneity of M42 High‐Speed Steel

Yuan,

Yin,

Qiao

et al. 2024

steel research int.

View full text Add to dashboard Cite

show abstract

Macro and Micro Segregations and Prediction of Carbide Equivalent Size in Vacuum Arc Remelting of M50 Steel via Simulations and Experiments

Guan,

Liu,

Cao

et al. 2024

Metall Mater Trans A

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Study of Cryogenic Treatment on the Microstructure and Mechanical Properties of Marine 10Ni5CrMoV Steel

Zou,

Dong,

Jiang

et al. 2024

Met. Mater. Int.

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Roles of N-Alloying and Austenitizing Temperature in Tuning the Hardness and Strengthening–Toughening Behavior of M42 High-Speed Steel

Cited by 5 publications

References 77 publications

Homogenization Treatment and Plastic Deformation Improve the Carbide Homogeneity of M42 High‐Speed Steel

Homogenization Treatment and Plastic Deformation Improve the Carbide Homogeneity of M42 High‐Speed Steel

Macro and Micro Segregations and Prediction of Carbide Equivalent Size in Vacuum Arc Remelting of M50 Steel via Simulations and Experiments

Study of Cryogenic Treatment on the Microstructure and Mechanical Properties of Marine 10Ni5CrMoV Steel

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