Mechanical properties of CO2corrosion scale formed at different temperatures and their relationship to corrosion rate

Autor:	R. Cai, J.F. Wei, Genshu Zhou, J. Miao, S.D. Zhu
Rok vydání:	2012
Předmět:	Materials science Carbon steel General Chemical Engineering Metallurgy General Chemistry Intergranular corrosion Nanoindentation engineering.material Corrosion Fracture toughness Indentation engineering General Materials Science Elastic modulus Tensile testing
Zdroj:	Corrosion Engineering, Science and Technology. 47:171-177
ISSN:	1743-2782 1478-422X
DOI:	10.1179/1743278211y.0000000023
Popis:	The mechanical properties of CO2 corrosion scale formed on P110 tubing steel at different temperatures were investigated by nanoindentation, Vickers’ indentation and tensile test. The results showed that hardness, elastic modulus, fracture toughness and bonding strength of the CO2 corrosion scale initially decreased and then increased with increasing the film formation/exposure temperature with the minimum values all presented at 100°C. This trend runs inversely to that of the corrosion rate of P110 carbon steel with increasing the temperature. A scanning electron microscope was also utilised to analyse the morphology of corrosion scale. In addition, the relationship between the mechanical properties of CO2 corrosion scale and the corrosion rate of P110 tubing steel at the corresponding temperature is discussed.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::98592d0a9dd86b4a946034a022db4238 https://doi.org/10.1179/1743278211y.0000000023 Zobrazit plný text záznamu Plný text ve formátu PDF Plný text ve formátu HTML
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