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| Content Provider | Springer Nature Link |
|---|---|
| Author | Riffard, Frederic Fondard, Jeremie Moulin, Philippe Perrier, Sebastien Buscail, Henri |
| Copyright Year | 2013 |
| Abstract | Many studies have shown that a phosphoric-acid treatment improves the high temperature oxidation resistance in air of some alloys. Interestingly, though, the phosphoric-acid treatment generates a structural modification of the steel surface which is catastrophic for the high-temperature oxidation behavior at 1,000 °C. The aim of our work was to test the effect of a reactive element sol–gel coating on high-temperature oxidation resistance of phosphoric acid-treated AISI 304 steel. The oxide scale growth mechanisms were studied by exposing La-coated and uncoated phosphoric acid-treated 304 steel samples to high-temperature conditions in air. A phosphoric-acid treatment modified the structural composition and the surface morphology of the AISI 304 steel by the formation of a FeH$_{2}$P$_{3}$O$_{10}$ structure, leading to hematite formation and to a breakaway phenomenon. Lanthanum coating, after initial phosphoric-acid treatment, led to the formation of LaCrO$_{3}$ which limited through-scale cracking and reduced the growth of iron oxides. |
| Starting Page | 191 |
| Ending Page | 201 |
| Page Count | 11 |
| File Format | |
| ISSN | 0030770X |
| Journal | Oxidation of Metals |
| Volume Number | 81 |
| Issue Number | 1-2 |
| e-ISSN | 15734889 |
| Language | English |
| Publisher | Springer US |
| Publisher Date | 2013-10-25 |
| Publisher Place | Boston |
| Access Restriction | Subscribed |
| Subject Keyword | AISI 304 stainless steel RE effect Phosphoric acid treatment In situ high Temperature XRD Metallic Materials Inorganic Chemistry Tribology, Corrosion and Coatings |
| Content Type | Text |
| Resource Type | Article |
| Subject | Materials Chemistry Metals and Alloys Inorganic Chemistry |
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