Evaluation of Al2O3 MOCVD Coating for Titanium Alloys Protection under Severe Conditions at High Temperature
The corrosion resistance of MOCVD Al2O3 coating system was investigated to protect a TA6V Alloy under hot salt corrosion conditions: This coating was corroded with a salt deposit without mechanical loading at 480°C during 100 h. Corrosion products formed in salted areas were studied by Energy Disper...
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| Veröffentlicht in: | Materials science forum 2008, Vol.595-598, p.719-724 |
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| creator | Gleizes, Alain Vahlas, C. Béguin, Jean Denis Petit, J.A. Sheldon, B. Samelor, Diane |
| description | The corrosion resistance of MOCVD Al2O3 coating system was investigated to protect a
TA6V Alloy under hot salt corrosion conditions: This coating was corroded with a salt deposit
without mechanical loading at 480°C during 100 h. Corrosion products formed in salted areas were
studied by Energy Dispersive Spectroscopy (EDS). Although all coated specimens were damaged
with corrosion products presence in salted area, Al2O3 coatings showed the lowest salt damage on
titanium substrate after a metallographic cross section observation compared to uncoated ones. As
well as these interesting experimental results, coated specimens exhibit a good adherence on
titanium substrate |
| doi_str_mv | 10.4028/www.scientific.net/MSF.595-598.719 |
| format | Article |
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without mechanical loading at 480°C during 100 h. Corrosion products formed in salted areas were
studied by Energy Dispersive Spectroscopy (EDS). Although all coated specimens were damaged
with corrosion products presence in salted area, Al2O3 coatings showed the lowest salt damage on
titanium substrate after a metallographic cross section observation compared to uncoated ones. As
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without mechanical loading at 480°C during 100 h. Corrosion products formed in salted areas were
studied by Energy Dispersive Spectroscopy (EDS). Although all coated specimens were damaged
with corrosion products presence in salted area, Al2O3 coatings showed the lowest salt damage on
titanium substrate after a metallographic cross section observation compared to uncoated ones. As
well as these interesting experimental results, coated specimens exhibit a good adherence on
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TA6V Alloy under hot salt corrosion conditions: This coating was corroded with a salt deposit
without mechanical loading at 480°C during 100 h. Corrosion products formed in salted areas were
studied by Energy Dispersive Spectroscopy (EDS). Although all coated specimens were damaged
with corrosion products presence in salted area, Al2O3 coatings showed the lowest salt damage on
titanium substrate after a metallographic cross section observation compared to uncoated ones. As
well as these interesting experimental results, coated specimens exhibit a good adherence on
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| subjects | Chemical Sciences Material chemistry |
| title | Evaluation of Al2O3 MOCVD Coating for Titanium Alloys Protection under Severe Conditions at High Temperature |
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