Materials Science and Technology· 2017Q2· Review
Recent progress in microstructural hydrogen mapping in steels: Quantification, kinetic analysis, and multi-scale characterisation
- 231citations
- Q2SCImago
- 2017year
Short summary
This review details recent advancements in techniques for mapping hydrogen at the microstructural level in steels, enabling quantitative analysis and kinetic studies.
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Key points
- Various techniques (TDS, Ag decoration, HMT, SIMS, APT, NR, SKP) are available for microstructural hydrogen mapping.
- Each technique offers different spatial and temporal resolutions for hydrogen detection.
- Combining multiple techniques enables multi-scale, quantitative, 3D, and kinetic hydrogen mapping.
- These advanced mapping methods are vital for studying hydrogen embrittlement in steels.
AI-generated from the title and abstract; the full text is not read.
Abstract
This paper gives an overview of recent progress in microstructure-specific hydrogen mapping techniques. The challenging nature of mapping hydrogen with high spatial resolution, i.e. at the scale of finest microstructural features, led to the development of various methodologies: thermal desorption spectrometry, silver decoration, the hydrogen microprint technique, secondary ion mass spectroscopy, atom probe tomography, neutron radiography, and the scanning Kelvin probe. These techniques have different characteristics regarding spatial and temporal resolution associated with microstructure-sensitive hydrogen detection. Employing these techniques in a site-specific manner together with other microstructure probing methods enables multi-scale, quantitative, three-dimensional, high spatial, and kinetic resolution hydrogen mapping, depending on the specific multi-probe approaches used. Here, we present a brief overview of the specific characteristics of each method and the progress resulting from their combined application to the field of hydrogen embrittlement. This paper is part of a thematic issue on Hydrogen in Metallic Alloys
The authors' abstract, as published at the source. Materials Science and Technology, 2017 · DOI ↗
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Field: Metals and Alloys
Metals and AlloysMaterials Science