Substitution case study: Replacing niobium by vanadium in nano-steels

Zaloa Arechabaleta Guenechea, Erik Offerman

    Research output: Chapter in Book/Conference proceedings/Edited volumeChapterScientific

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    Abstract

    The substitution of critical alloying elements in metals is a strategy to reduce the criticality of materials. Nano-steels are a novel grade of advanced highstrength steels that are suited for application in the chassis and suspension of cars and as fire-resistant steel in high-rise buildings. The high strength and ductility per unit mass make the nano-steels resource-efficient and reduce vehicle weight while maintaining crash worthiness. The excellent mechanical properties of certain nano-steels rely on the addition of small amounts (up to 0.1 wt.%) of Niobium as alloying element to the steel. Niobium is considered to be a critical raw material by the European Union due to its high economic importance as an alloying element in advanced, high-strength steel grades and due to the high supply risk related to the high degree of monopolistic production within the supply chain. This chapter describes the fundamental materials science that is needed for the substitution of the critical alloying element Niobium by Vanadium as an alloying element in nano-steels.
    Original languageEnglish
    Title of host publicationCritical Materials
    Subtitle of host publicationUnderlying Causes and Sustainable Mitigation Strategies
    EditorsErik Offerman
    Place of PublicationLondon, UK
    PublisherWorld Scientific
    Chapter10
    Pages193-221
    ISBN (Print)978-981-3271-04-3
    DOIs
    Publication statusPublished - 2019

    Publication series

    NameWorld Scientific Series in Current Energy Issues
    Volume5
    ISSN (Print)2425-0163
    ISSN (Electronic)2425-0171

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