Al rich PVD protective coatings: A promising approach to prevent T91 steel corrosion in stagnant liquid lead

被引：54
|
作者：
Miorin, Enrico [1 ]
Montagner, Francesco [1 ]
Zin, Valentina [1 ]
Giuranno, Donatella [2 ]
Ricci, Enrica [2 ]
Pedroni, Matteo [3 ]
Spampinato, Valentina [3 ]
Vassallo, Espedito [3 ]
Deambrosis, Silvia Maria [1 ]
机构：
[1] Natl Res Council CNR, Inst Condensed Matter Chem & Technol Energy ICMAT, Corso Stati Uniti 4, I-35127 Padua, Italy
[2] Natl Res Council CNR, Inst Condensed Matter Chem & Technol Energy ICMAT, Via Marini 6, I-16149 Genoa, Italy
[3] Natl Res Council CNR, Inst Plasma Phys Piero Caldirola, Via R Cozzi 53, I-20125 Milan, Italy
来源：
SURFACE & COATINGS TECHNOLOGY | 2019年 / 377卷
关键词：
Sputtered films; Aluminum oxide; Titanium aluminum nitride; Radio frequency magnetron sputtering (RFMS); High power impulse magnetron sputtering (HiPIMS); Heavy liquid metals corrosion protection; PB-BI; EUTECTIC ALLOY; OXIDATION RESISTANCE; AUSTENITIC STEELS; FE-9CR-1MO STEEL; ELECTRON-BEAM; MODEL ALLOYS; OXIDE-FILMS; BEHAVIOR; OXYGEN;
D O I：
10.1016/j.surfcoat.2019.124890
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
In order to investigate a protective coating approach for nuclear applications, two different aluminum rich layers were deposited on T91 steel coupons: Ti-Al-N films were grown via High Power Impulse Magnetron Sputtering and Al-O coatings were produced by Radio Frequency Magnetron Sputtering. In this exploratory work, coated specimens were corrosion tested in stagnant Pb at 550 degrees C for 1200 h and both types of coatings proved to be effective in protecting the substrate from the harsh environment. Due to the severe experimental conditions, the Al oxide film underwent some mechanical changes, while, the nitride coating demonstrated its noteworthy stability.
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页数：12
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