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An active corrosion...
An active corrosion mechanism for metal dusting on 304L stainless steel
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- Szakalos, Peter (författare)
- KTH,Materialvetenskap
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Pettersson, R. (författare)
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Hertzman, Staffan N. (författare)
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(creator_code:org_t)
- 2002
- 2002
- Engelska.
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Ingår i: Corrosion Science. - 0010-938X .- 1879-0496. ; 44:10, s. 2253-2270
- Relaterad länk:
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https://urn.kb.se/re...
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visa fler...
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https://doi.org/10.1...
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visa färre...
Abstract
Ämnesord
Stäng
- A mechanism for metal dusting of chromia-forming stainless steels is proposed, based on results from laboratory exposures of 304L stainless steel at 650 degreesC for 1000 h in a synthesis gas low in water vapour, 25%CO + 3%H2O + H. The work focuses on the role of carbides and oxygen to explain the different corrosion mechanisms and give a description of the metal dusting phenomenon as it appears in engineering alloys. Metallographical examinations, FEG-SEM, SEM-EDX analysis and X-ray diffraction, as well as thermodynamic calculations were made in order to identify the proposed metal dusting mechanism.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Materialteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering (hsv//eng)
Nyckelord
- stainless steel
- high temperature corrosion
- metal dusting
- oxidation
- carburisation
- carbides
- thermodynamic modelling
- diffusion
- kinetics
- mechanisms
- ni-base alloys
- Materials science
- Teknisk materialvetenskap
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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