Journal of Materials Science

, Volume 23, Issue 9, pp 3338–3341 | Cite as

On the effect of non-metallic inclusions on hydrogen damage in aluminium-killed steel

  • Estela Rodríguez de Schiapparelli


The effect of non-metallic inclusions on corrosion and on hydrogen damage in an aluminium-killed steel was studied by considering the size, shape, composition and number of inclusions. Accurate determinations of the compositions of the different inclusion compounds were performed by energy-dispersive analysis of replica-extracted particles. Clusters of alumina inclusions appear to be preferred sites for the occurrence of blisters. Complex inclusions with the phases 3Al2O3 · 2SiO2, MnO, MnS and Al2O3 frequently presented blisters. Blisters appeared to be nucleated in voids produced during working of the steel. Blisters were never found in MnS inclusions.


Hydrogen Polymer Alumina Al2O3 Complex Inclusion 
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Copyright information

© Chapman and Hall Ltd 1988

Authors and Affiliations

  • Estela Rodríguez de Schiapparelli
    • 1
  1. 1.Departamento Materiaies, Gerencia DesarrolloComision Nacional de Energía AtómicaBuenos AiresArgentina

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