Improving Mechanical Properties of EP823 Ferritic/Martensitic Steel via Increasing Silicon Contents

Shen, Shangkun; Hao, Liyu; Wen, Kangkang; Liu, Xing; Shen, Tongde; Wang, Hui; Li, Gang; Li, Jin; Fu, Engang

doi:10.1007/s11665-023-08986-z

J. of Materi Eng and Perform

2023

DOI: 10.1007/s11665-023-08986-z

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Improving Mechanical Properties of EP823 Ferritic/Martensitic Steel via Increasing Silicon Contents

Shangkun Shen,

Liyu Hao,

Kangkang Wen

et al.

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2024

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Cited by 2 publications

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Ultrastrong and ductile FeNi-based alloys through Pd-containing multicomponent L12-type precipitates

Shen,

Li,

Hao

et al. 2024

Materials & Design

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Ultrastrong and ductile FeNi-based alloys through Pd-containing multicomponent L12-type precipitates

Shen,

Li,

Hao

et al. 2024

Materials & Design

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Biocompatible TA4 and TC4ELI with excellent mechanical properties and corrosion resistance via multiple ECAP

Li,

Hao,

Zhang

et al. 2024

Biomed. Mater.

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Titanium (Ti), characterized by its exceptional mechanical properties, commendable corrosion resistance and biocompatibility, has emerged as the principal functional materials for implants in biomedical and clinical applications. However, the Ti-6Al-4V (TC4ELI) alloy has cytotoxicity risks, whereas the strength of the existing industrially pure titanium TA4 is marginally inadequate and will significantly limit the scenarios of medical implants. Herein, we prepared ultrafine-grained industrial-grade pure titanium TA4 and titanium alloy TC4ELI via the equal channel angular pressing method, in which the TA4-1 sample has ultrahigh strength of 1.1 GPa and elongation of 26%. In comparison with the micrometer-crystalline Ti-based materials, it showed a 35% reduction in wear depth and more than 10% reduction in wear volume, while the difference in the corrosion potential of the simulated body fluids was not significant (only ∼20 mV). XRD, electron backscatter diffraction, and transmission electron microscope characterization confirms that their superior strengths are mainly due to grain refinement strengthening.

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Improving Mechanical Properties of EP823 Ferritic/Martensitic Steel via Increasing Silicon Contents

Cited by 2 publications

References 50 publications

Ultrastrong and ductile FeNi-based alloys through Pd-containing multicomponent L12-type precipitates

Ultrastrong and ductile FeNi-based alloys through Pd-containing multicomponent L12-type precipitates

Biocompatible TA4 and TC4ELI with excellent mechanical properties and corrosion resistance via multiple ECAP

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