The role of the spinel phases on the rust activity in corroded steels

F. R. Pérez; C. F. Londoño; C. A. Barrero; K. E. García; J. Tobón

doi:10.1007/s10751-009-0109-3

The role of the spinel phases on the rust activity in corroded steels

F. R. Pérez, C. F. Londoño, C. A. Barrero, K. E. García, J. Tobón

Research output: Contribution to journal › Article › peer-review

Abstract

Carbon, CS, and weathering steels, WS, were totally immersed in a NaCl containing solution. The influence of steel composition and the presence/absence of air flux into the solution on the physical properties of spinel and other iron phases were investigated. Large amounts of defective magnetite were formed only on CS, whereas little amounts of small grain-sized defective maghemite were detected only on WS. The chemical composition of the steels greatly affects the type of spinel phase being formed and their relative abundance. A non-aerated environment favored the formation of magnetite in CS. The protective ability of the rust was unfavored in the presence of large amounts of spinels.

Original language	English
Pages (from-to)	127-131
Number of pages	5
Journal	Hyperfine Interactions
Volume	195
Issue number	1
DOIs	https://doi.org/10.1007/s10751-009-0109-3
State	Published - Jan 2010

Bibliographical note

Funding Information:
Acknowledgements Thanks go to Universidad de Antioquia (project code IN1248CE, Sustainability Programs for GES and GICM) and Universidad Pontificia Bolivariana (project code 889-05/ 06-27), and the Excellence Center for Novel Materials (CENM) under Contract CENM-Colciencias RC-043-2005 for financial support.

Keywords

Spinel phases
Steels
Total immersion

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10.1007/s10751-009-0109-3

Cite this

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title = "The role of the spinel phases on the rust activity in corroded steels",

abstract = "Carbon, CS, and weathering steels, WS, were totally immersed in a NaCl containing solution. The influence of steel composition and the presence/absence of air flux into the solution on the physical properties of spinel and other iron phases were investigated. Large amounts of defective magnetite were formed only on CS, whereas little amounts of small grain-sized defective maghemite were detected only on WS. The chemical composition of the steels greatly affects the type of spinel phase being formed and their relative abundance. A non-aerated environment favored the formation of magnetite in CS. The protective ability of the rust was unfavored in the presence of large amounts of spinels.",

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note = "Funding Information: Acknowledgements Thanks go to Universidad de Antioquia (project code IN1248CE, Sustainability Programs for GES and GICM) and Universidad Pontificia Bolivariana (project code 889-05/ 06-27), and the Excellence Center for Novel Materials (CENM) under Contract CENM-Colciencias RC-043-2005 for financial support.",

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doi = "10.1007/s10751-009-0109-3",

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AU - García, K. E.

AU - Tobón, J.

N1 - Funding Information: Acknowledgements Thanks go to Universidad de Antioquia (project code IN1248CE, Sustainability Programs for GES and GICM) and Universidad Pontificia Bolivariana (project code 889-05/ 06-27), and the Excellence Center for Novel Materials (CENM) under Contract CENM-Colciencias RC-043-2005 for financial support.

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N2 - Carbon, CS, and weathering steels, WS, were totally immersed in a NaCl containing solution. The influence of steel composition and the presence/absence of air flux into the solution on the physical properties of spinel and other iron phases were investigated. Large amounts of defective magnetite were formed only on CS, whereas little amounts of small grain-sized defective maghemite were detected only on WS. The chemical composition of the steels greatly affects the type of spinel phase being formed and their relative abundance. A non-aerated environment favored the formation of magnetite in CS. The protective ability of the rust was unfavored in the presence of large amounts of spinels.

AB - Carbon, CS, and weathering steels, WS, were totally immersed in a NaCl containing solution. The influence of steel composition and the presence/absence of air flux into the solution on the physical properties of spinel and other iron phases were investigated. Large amounts of defective magnetite were formed only on CS, whereas little amounts of small grain-sized defective maghemite were detected only on WS. The chemical composition of the steels greatly affects the type of spinel phase being formed and their relative abundance. A non-aerated environment favored the formation of magnetite in CS. The protective ability of the rust was unfavored in the presence of large amounts of spinels.

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KW - Steels

KW - Total immersion

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JF - Hyperfine Interactions

SN - 0304-3843

IS - 1

ER -

The role of the spinel phases on the rust activity in corroded steels

Abstract

Bibliographical note

Keywords

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