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- W3111279076 endingPage "116566" @default.
- W3111279076 startingPage "116566" @default.
- W3111279076 abstract "Abstract Oxide dispersion strengthened (ODS) steels are known for their enhanced mechanical performance at high temperatures or under radiation exposure. Their microstructure depends on the manufacturing process, from the nanoparticle addition to the base steel powder, to the processing of the nanoparticle enriched powder. The optimization and control of the processing steps still represent a challenge to establish a clear methodology for the additive manufacturing of ODS steels. Here, we evaluate the microstructure, nanoparticle evolution, and mechanical properties of ODS steels prepared by dielectrophoretic controlled adsorption of 0.08 wt% laser-synthesized yttrium oxide (Y2O3) on an iron-chromium ferritic steel powder (PM2000). The influence of the ODS steel fabrication technique is studied for two standard additive manufacturing techniques, directed energy deposition (DED) and laser powder bed fusion (LPBF). The compressive strength of the ODS steels at 600 °C is increased by 21% and 29% for the DED and LPBF samples, respectively, compared to the DED and LPBF steels manufactured without Y2O3 nanoparticle addition. The Martens hardness is enhanced by 9% for the LPBF ODS steel while no significant change is observed in the DED ODS steel. The microstructure and nanoparticle composition and distribution are evaluated by electron backscatter diffraction, scanning electron microscopy–energy-dispersive X-ray spectroscopy, and atom probe tomography, to compare the microstructural features of DED and LPBF manufactured parts. Smaller grain size and more homogeneous distribution with lower agglomeration of Y-O nanoparticles in the LPBF sample are found to be key factors for enhanced mechanical response at 600 °C. The enhanced mechanical properties of the LPBF-processed sample and the more homogeneous nanoparticle dispersion can be linked to results obtained by finite element methods simulations of the melt pool that show two orders of magnitude faster cooling rates for LPBF than for DED. Therefore, this work presents and validates a complete laser-based methodology for the preparation and processing of an ODS steel, proving the modification of the microstructure and enhancement of the high-temperature strength of the as-built parts." @default.
- W3111279076 created "2020-12-21" @default.
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- W3111279076 date "2021-03-01" @default.
- W3111279076 modified "2023-10-17" @default.
- W3111279076 title "Microstructure formation and mechanical properties of ODS steels built by laser additive manufacturing of nanoparticle coated iron-chromium powders" @default.
- W3111279076 cites W1137297539 @default.
- W3111279076 cites W1260112702 @default.
- W3111279076 cites W1264951903 @default.
- W3111279076 cites W1662175451 @default.
- W3111279076 cites W1688365984 @default.
- W3111279076 cites W1964079981 @default.
- W3111279076 cites W1977017803 @default.
- W3111279076 cites W1981604398 @default.
- W3111279076 cites W1985918782 @default.
- W3111279076 cites W1987163407 @default.
- W3111279076 cites W1991243697 @default.
- W3111279076 cites W1993805675 @default.
- W3111279076 cites W1995423940 @default.
- W3111279076 cites W1999437254 @default.
- W3111279076 cites W2006842383 @default.
- W3111279076 cites W2007118618 @default.
- W3111279076 cites W2009701532 @default.
- W3111279076 cites W2016407018 @default.
- W3111279076 cites W2021141667 @default.
- W3111279076 cites W2024710250 @default.
- W3111279076 cites W2025323020 @default.
- W3111279076 cites W2039861896 @default.
- W3111279076 cites W2051084294 @default.
- W3111279076 cites W2055294750 @default.
- W3111279076 cites W2060437674 @default.
- W3111279076 cites W2060735907 @default.
- W3111279076 cites W2074129969 @default.
- W3111279076 cites W2081264972 @default.
- W3111279076 cites W2089783281 @default.
- W3111279076 cites W2096103399 @default.
- W3111279076 cites W2098459033 @default.
- W3111279076 cites W2130053129 @default.
- W3111279076 cites W2153560452 @default.
- W3111279076 cites W2173481466 @default.
- W3111279076 cites W2210796340 @default.
- W3111279076 cites W2274019868 @default.
- W3111279076 cites W2279780730 @default.
- W3111279076 cites W2299515949 @default.
- W3111279076 cites W2303828474 @default.
- W3111279076 cites W2335731311 @default.
- W3111279076 cites W2408860057 @default.
- W3111279076 cites W2461269607 @default.
- W3111279076 cites W2503161491 @default.
- W3111279076 cites W2561730690 @default.
- W3111279076 cites W2562729833 @default.
- W3111279076 cites W2566423742 @default.
- W3111279076 cites W2577807204 @default.
- W3111279076 cites W2579165717 @default.
- W3111279076 cites W2582761348 @default.
- W3111279076 cites W2587786391 @default.
- W3111279076 cites W2587989553 @default.
- W3111279076 cites W2605978874 @default.
- W3111279076 cites W2614099308 @default.
- W3111279076 cites W2623673525 @default.
- W3111279076 cites W2626571933 @default.
- W3111279076 cites W2708652156 @default.
- W3111279076 cites W2736239427 @default.
- W3111279076 cites W2749088471 @default.
- W3111279076 cites W2762367303 @default.
- W3111279076 cites W2764030346 @default.
- W3111279076 cites W2775285839 @default.
- W3111279076 cites W2777205667 @default.
- W3111279076 cites W2789553645 @default.
- W3111279076 cites W2792746273 @default.
- W3111279076 cites W2803892446 @default.
- W3111279076 cites W2890975173 @default.
- W3111279076 cites W2905966535 @default.
- W3111279076 cites W2911861386 @default.
- W3111279076 cites W2990866851 @default.
- W3111279076 cites W2999164605 @default.
- W3111279076 cites W3000438764 @default.
- W3111279076 cites W3016447843 @default.
- W3111279076 cites W812403803 @default.
- W3111279076 cites W987105679 @default.
- W3111279076 doi "https://doi.org/10.1016/j.actamat.2020.116566" @default.
- W3111279076 hasPublicationYear "2021" @default.
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