Corrosion Reviews· 2016Q2· Review
A review of hydrogen embrittlement of martensitic advanced high-strength steels
- 249citations
- Q2SCImago
- 2016year
Short summary
Martensitic advanced high-strength steels (MS-AHSS), crucial for fuel-efficient cars, are susceptible to hydrogen embrittlement (HE). This review consolidates current understanding of factors influencing HE in these steels.
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Key points
- MS-AHSS are essential for modern automotive safety and efficiency.
- Hydrogen embrittlement is a critical failure mechanism for MS-AHSS.
- HE susceptibility is influenced by at least ten distinct factors including material properties, environmental conditions, and manufacturing processes.
- Significant unresolved issues remain, particularly correlating lab results to real-world performance and understanding hydrogen trapping mechanisms.
AI-generated from the title and abstract; the full text is not read.
Abstract
Abstract The martensitic advanced high-strength steels (MS-AHSS) are used to create fuel-efficient, crashworthy cars. Hydrogen embrittlement (HE) is an issue with high-strength steels; thus, the interaction of hydrogen with MS-AHSS needs to be studied. There are only a few published works on the HE of MS-AHSS. The current literature indicates that the HE susceptibility of MS-AHSS is affected by (i) the strength of the steel, (ii) the applied strain rate, (iii) the concentration of hydrogen, (iv) microstructure, (v) tempering, (vi) residual stress, (vii) fabrication route, (viii) inclusions, (ix) metallic coatings, and (x) specific precipitates. Some of the unresolved issues include (i) the correlation of laboratory results to service performance, (ii) establishing the conditions or factors that lead to a certain HE response, (iii) studying the effect of stress rate on HE, and (iv) a comprehensive understanding of hydrogen trapping in MS-AHSS.
The authors' abstract, as published at the source. Corrosion Reviews, 2016 · DOI ↗
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Field: Metals and Alloys
Metals and AlloysMaterials Science