Detection of structural changes in chromium martensitic steels using electrochemical methods

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22310%2F11%3A43892974" target="_blank" >RIV/60461373:22310/11:43892974 - isvavai.cz</a>

Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Detection of structural changes in chromium martensitic steels using electrochemical methods

Popis výsledku v původním jazyce

High-alloy martensitic steels are used as construction materials in power generating equipments. The problem of these steels, which are most often alloyed with chromium, molybdenum and tungsten, is a possible increase in structural instability during heat treatment or a long-term heating process. The formation of structural instability causes deterioration of mechanical properties and corrosion resistance and leads to overall shortening of the equipment service life. Chromium and molybdenum are elements, which in alkaline environment can easily pass into a transpassive state, and that can be detected for example on a polarization curve of the material in an appropriate environment. The aim of this work was to confirm the possibilities of using electrochemical polarization as a very simple, non-destructive method of investigation into the formation of structural changes in these materials. Potentiostatic etching was also carried out together with measuring of potentiodynamic curves. Pot

Název v anglickém jazyce

Detection of structural changes in chromium martensitic steels using electrochemical methods

Popis výsledku anglicky

High-alloy martensitic steels are used as construction materials in power generating equipments. The problem of these steels, which are most often alloyed with chromium, molybdenum and tungsten, is a possible increase in structural instability during heat treatment or a long-term heating process. The formation of structural instability causes deterioration of mechanical properties and corrosion resistance and leads to overall shortening of the equipment service life. Chromium and molybdenum are elements, which in alkaline environment can easily pass into a transpassive state, and that can be detected for example on a polarization curve of the material in an appropriate environment. The aim of this work was to confirm the possibilities of using electrochemical polarization as a very simple, non-destructive method of investigation into the formation of structural changes in these materials. Potentiostatic etching was also carried out together with measuring of potentiodynamic curves. Pot

Druh

D - Stať ve sborníku

CEP obor

JK - Koroze a povrchové úpravy materiálu

OECD FORD obor

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Projekt

<a href="/cs/project/FR-TI1%2F086" target="_blank" >FR-TI1/086: Nové přístupy navrhování energetických zařízení a ocelových konstrukcí s vysokými užitnými parametry</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>Z - Vyzkumny zamer (s odkazem do CEZ)

Rok uplatnění

2011

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název statě ve sborníku

Conference proceedings, 20th International Conference on Metallurgy and Materials

ISBN

978-80-87294-24-6

ISSN

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e-ISSN

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Počet stran výsledku

5

Strana od-do

565-570

Název nakladatele

TANGER

Místo vydání

Ostrava

Místo konání akce

Brno

Datum konání akce

18. 5. 2011

Typ akce podle státní příslušnosti

EUR - Evropská akce

Kód UT WoS článku

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