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  • An AES investigation of brushed AISI 304 stainless steel after corrosion testing = AES-preiskave krtačenega nerjavnega jekla AISI 304 po korozijskem preskusu
    Torkar, Matjaž ; Mandrino, Djordje, 1964-2021 ; Lamut, Martin, 1977-
    During a test in a wet salt (NaCl) chamber rusty spots and elongated pits appeared on the brushed surface of a prototype casing for a household device made from AISI 304 stainless steel. The ... corrosion pits only formed on the brushed surface and on the deformed edges. Metallography revealed deformation-induced martensite and delta ferrite in the microstructure. In the wet salt environment the brushed surface showed a lower corrosion resistance than the non-brushed surface. The corrosion was explained as being due to damage to the protective oxide layer with brushing, insufficient re-passivation and the presence of iton particles. The corrosion propensity of the brushed surface of the casing was increased by the presence of deformation-induced martensite, delta ferrite and, probably, the remains of iron particles. The use of AISI 316 stainless steel, alloyed with molybdenum, would be more appropriate for avoiding the formation of corrosion pits due to chloride ions in a wet environment.
    Vir: Materiali in tehnologije = Materials and technology. - ISSN 1580-2949 (Letn. 42, št. 1, jan-feb. 2008, str. 39-43)
    Vrsta gradiva - članek, sestavni del
    Leto - 2008
    Jezik - angleški
    COBISS.SI-ID - 685994

    Povezava(-e):

    Digitalna knjižnica Slovenije - dLib.si

vir: Materiali in tehnologije = Materials and technology. - ISSN 1580-2949 (Letn. 42, št. 1, jan-feb. 2008, str. 39-43)

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