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[Korean]
Study on the Elemental Diffusion Distance of a Pure Nickel Layer Additively Manufactured on 316H Stainless Steel
UiJun Ko, Won Chan Lee, Gi Seung Shin, Ji-Hyun Yoon, Jeoung Han Kim
J Powder Mater. 2024;31(3):220-225.   Published online June 27, 2024
DOI: https://doi.org/10.4150/jpm.2024.00164
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  • 2 Citations
AbstractAbstract PDF
Molten salt reactors represent a promising advancement in nuclear technology due to their potential for enhanced safety, higher efficiency, and reduced nuclear waste. However, the development of structural materials that can survive under severe corrosion environments is crucial. In the present work, pure Ni was deposited on the surface of 316H stainless steel using a directed energy deposition (DED) process. This study aimed to fabricate pure Ni alloy layers on an STS316H alloy substrate. It was observed that low laser power during the deposition of pure Ni on the STS316H substrate could induce stacking defects such as surface irregularities and internal voids, which were confirmed through photographic and SEM analyses. Additionally, the diffusion of Fe and Cr elements from the STS316H substrate into the Ni layers was observed to decrease with increasing Ni deposition height. Analysis of the composition of Cr and Fe components within the Ni deposition structures allows for the prediction of properties such as the corrosion resistance of Ni.

Citations

Citations to this article as recorded by  
  • Microstructural analysis and characterization of nickel deposition on 316H stainless steel via gas tungsten arc welding and powder laser cladding
    Won Chan Lee, Jin Woong Park, Seung Ju Nam, Ji-Hyun Yoon, Jeoung Han Kim
    Powder Metallurgy.2025;[Epub]     CrossRef
  • Effect of oxygen content in feedstock powders on microstructure and mechanical properties of ELI Ti-6Al-4V fabricated via laser powder bed fusion
    Woo Hyeok Kim, Sang Woo Kim, Raj Narayan Hajra, Gargi Roy, Jeoung Han Kim
    Powder Metallurgy.2025;[Epub]     CrossRef
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