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  1. Article

    Open Access

    Laser Powder Bed Fusion of ODS 14YWT from Gas Atomization Reaction Synthesis Precursor Powders

    Laser powder bed fusion (LPBF) additive manufacturing (AM) is a promising route for the fabrication of oxide dispersion strengthened (ODS) steels. In this study, 14YWT ferritic steel powders were produced by g...

    Sourabh Saptarshi, Matthew deJong, Christopher Rock, Iver Anderson, Ralph Napolitano… in JOM (2022)

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    Article

    In Situ Micropillar Compression Tests of 304 Stainless Steels After Ion Irradiation and Helium Implantation

    A study was conducted to better understand the roles of irradiation defects and cavities on the mechanical properties of 304 stainless steel. Micropillars were fabricated using focused ion beam techniques, and...

    Ryan Schoell, David Frazer, Ce Zheng, Peter Hosemann, Djamel Kaoumi in JOM (2020)

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    Article

    An Electrochemical Impedance Spectroscopic Study of Oxide Films in Liquid Metal

    Electrochemical impedance spectroscopy (EIS) is a powerful technique for the non-destructive, dynamic measurement of electrochemical corrosion behavior in condensed environments, and is a demonstrated, in situ...

    Jie Qiu, Digby D. Macdonald, Nan Li, Ryan Schoell, Djamel Kaoumi, Peter Hosemann in JOM (2020)

  4. No Access

    Article

    Interplay Between Grain Boundaries and Radiation Damage

    The need for enhanced radiation-tolerant materials for advanced nuclear energy designs has resulted in a growing number of investigations that have explored the effect of grain boundaries under irradiation. Th...

    Christopher M. Barr, Osman El-Atwani, Djamel Kaoumi, Khalid Hattar in JOM (2019)

  5. No Access

    Article

    Dispersoid Distribution and Microstructure in Fe-Cr-Al Ferritic Oxide Dispersion-Strengthened Alloy Prepared by Friction Consolidation

    INCOLOY® MA956 is a ferritic oxide dispersion-strengthened alloy manufactured by mechanical alloying followed by hot extrusion in vacuum-sealed cans or by degassing and hot isostatic pressing. This could be follo...

    David Catalini, Djamel Kaoumi… in Metallurgical and Materials Transactions A (2015)

  6. Article

    Introduction

    Djamel Kaoumi, William J. Weber, Khalid Hattar, Joel Ribis in Journal of Materials Research (2015)

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    Article

    Characterization of microstructure and property evolution in advanced cladding and duct: Materials exposed to high dose and elevated temperature

    Designing materials for performance in high-radiation fields can be accelerated through a carefully chosen combination of advanced multiscale modeling paired with appropriate experimental validation. The studi...

    Todd R. Allen, Djamel Kaoumi, Janelle P. Wharry… in Journal of Materials Research (2015)

  8. No Access

    Article

    Irradiation-Enhanced Second-Phase Precipitation in Zr-Fe Nanocrystalline Thin Films

    In situ observations in a transmission electron microscope (TEM) were used to study ion-beam enhancement of second-phase precipitation in Zr-Fe nanocrystalline thin films. The free-standing films were prepared by...

    Djamel Kaoumi, Arthur T. Motta, Robert C. Birtcher in MRS Online Proceedings Library (2006)