Review of metal carbide nanoprecipitate effects on hydrogen embrittlement of high strength martensitic steel
Anti-Corrosion Methods and Materials
ISSN: 0003-5599
Article publication date: 24 May 2022
Issue publication date: 3 June 2022
Abstract
Purpose
High-strength martensitic steels having strong hydrogen embrittlement (HE) susceptibility and the metal carbide (MC) nanoprecipitates of microalloying elements such as Nb, V, Ti and Mo in the steel matrix can effectively improve the HE resistance of steels. This paper aims to review the effect of MC nanoprecipitates on the HE resistance of high-strength martensitic steels.
Design/methodology/approach
In this paper, the effects of MC nanoprecipitates on the HE resistance of high-strength martensitic steels are systematically described in terms of the types of MC nanoprecipitates, the influencing factors, along with numerical simulations.
Findings
The MC nanoprecipitates, which are fine and semicoherent with the matrix, effectively improve the HE resistance of steel through the hydrogen trapping effects and microstructure optimization, but its effect on the HE resistance of steel is controlled by its size, number and distribution state.
Originality/value
This paper summarizes the effects and mechanisms of MC nanoprecipitates on HE performance of high-strength martensitic steel and provides the theoretical basis for corrosion engineers to design high-strength martensitic steels with excellent HE resistance and improve production processes.
Keywords
Acknowledgements
This research was financially supported by the Basic and Applied Basic Research Major Project of Guangdong Province, China (2019B030302011), and the National Natural Science Foundation of China (51971034 and 51771026).
Citation
Zheng, Y., Huili, S., Yan, L., Pang, X., Volinsky, A.A. and Gao, K. (2022), "Review of metal carbide nanoprecipitate effects on hydrogen embrittlement of high strength martensitic steel", Anti-Corrosion Methods and Materials, Vol. 69 No. 4, pp. 409-416. https://doi.org/10.1108/ACMM-03-2022-2633
Publisher
:Emerald Publishing Limited
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