Abstract
The objective of the European-funded project MultiHy (Multiscale modeling of hydrogen embrittlement in crystalline materials) is the development of multiscale models for hydrogen transport in complex microstructures. The validation and application of the models will be carried out by investigating the role of the microstructure in industrial problems involving hydrogen embrittlement (HE) of advanced materials. Pulse-plated nickel (PP-Ni) material, as used in various industrial applications, has shown a susceptibility to HE that may cause premature failure of a structure. Due to the nature of the pulse-plating process, H is incorporated into the microstructure of the material. This H may lead to crack initiation when combined with localized stress concentrations due to subsequent manufacturing steps, e.g., welding. This article provides an overview of experimental studies aimed at evaluating the influence of the microstructure on the susceptibility of PP-Ni to HE and, ultimately, at improving the plating process.
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This work is funded by the European Union under Grant 263335.
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Reese, E.D., Von Bestenbostel, W., Sebald, T. et al. Hydrogen Embrittlement of Pulse-Plated Nickel. JOM 66, 1368–1376 (2014). https://doi.org/10.1007/s11837-014-1067-z
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DOI: https://doi.org/10.1007/s11837-014-1067-z