Surface Roughness Changes on β-Titanium Orthodontic Wires after Corrosion in Various Artificial Saliva Solutions
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Bedri Onur Kucukyildirim
Abstract
β-Titanium orthodontic wires are exposed to three different artificial corrosive environments, modified Fusayama, modified Fusayama with 0.1 % NaF addition, and modified Fusayama with 1.7 % H3PO4 addition, which are similar to the oral cavity conditions. Corrosion behaviours of wires are observed by using weight loss method and scanning electron microscope observations. Afterwards, surface roughness of wires is investigated in details. Consequently, it is determined that corrosion rate of β-titanium wires exposed to the modified Fusayama solutions with H3PO4 addition is higher because of the acidity of this saliva. Furthermore, maximum increase in surface roughness and skewness are observed in the same environment. Hydrogen embrittlement of titanium is also an important factor for the corrosion of wires.
Abstract
β-Titandrähte für die Orthodontie wurden in der diesem Beitrag zugrunde liegenden Studie drei verschiedenen künstlichen korrosiven Umgebungen ausgesetzt, die jeweils dem Medium ähnlich der Bedingungen in der menschlichen Mundhöhle entsprachen: modifizierte Fusayama-Lösung, modifizierte Fusayama-Lösung mit 0,1 % NaF-Zusatz und modifizierte Fusayama-Lösung mit 1,7 % H3PO4-Zusatz. Das Korrosionsverhalten der Drähte wurde mittels des Gewichtsverlustverfahrens und mittels rasterelektronenmikroskopischer Untersuchungen beobachtet. Danach wurde die Oberflächenrauheit der Drähte im Detail untersucht. Infolgedessen wurde ermittelt, dass die Korrosionsrate der β-Titandrähte in den modifizierten Fusayama-Lösungen mit H3PO4-Zusatz, wegen des erhöhten Säuregrades dieser künstlichen Speichelflüssigkeit, höher ist. Darüber hinaus wurde die größte Zunahme der Oberflächenrauheit und des Skewness-Wertes in derselben Umgebung beobachtet. Die Wasserstoffsprödigkeit des Titans ist ebenfalls ein wichtiger Faktor für die Korrosion der Drähte.
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© 2013, Carl Hanser Verlag, München
Artikel in diesem Heft
- Inhalt/Contents
- Inhalt
- Fachbeiträge/Technical Contributions
- A Numerical Study on the Mechanical Properties and the Processing Behaviour of Composite High Strength Steels
- Coating Distribution Depending on Surface Microgeometry
- Sea Water Effect on Failure Behaviour of Mechanically Fastened Composites
- Synchrotron-Radiographie und -Tomographie einer PEM-Brennstoffzelle
- Fatigue Behaviour Monitoring of an AISI 1045 Carbon Steel using the Statistical-Based Z-Notched Approach
- Stress Analyses of Pump Gears Produced by Powder Metallurgy
- Surface Roughness Changes on β-Titanium Orthodontic Wires after Corrosion in Various Artificial Saliva Solutions
- 3D-Schallfeldsteuerung mit Matrixarrays für die Pipelineprüfung
- Evaluation of Geometric Accuracy and Thickness Variation in Incremental Sheet Forming Process
- The Effects of Process Parameters on the Recycling Efficiency of Used Aluminium Beverage Cans (UBCs)
- Processing of Finely disseminated Saudi Iron Ores
- Experimental and theoretical investigations on diffusion process for rare earth ores
- Vorschau/Preview
- Vorschau
- Kalender/Calendar
- Kalender
Artikel in diesem Heft
- Inhalt/Contents
- Inhalt
- Fachbeiträge/Technical Contributions
- A Numerical Study on the Mechanical Properties and the Processing Behaviour of Composite High Strength Steels
- Coating Distribution Depending on Surface Microgeometry
- Sea Water Effect on Failure Behaviour of Mechanically Fastened Composites
- Synchrotron-Radiographie und -Tomographie einer PEM-Brennstoffzelle
- Fatigue Behaviour Monitoring of an AISI 1045 Carbon Steel using the Statistical-Based Z-Notched Approach
- Stress Analyses of Pump Gears Produced by Powder Metallurgy
- Surface Roughness Changes on β-Titanium Orthodontic Wires after Corrosion in Various Artificial Saliva Solutions
- 3D-Schallfeldsteuerung mit Matrixarrays für die Pipelineprüfung
- Evaluation of Geometric Accuracy and Thickness Variation in Incremental Sheet Forming Process
- The Effects of Process Parameters on the Recycling Efficiency of Used Aluminium Beverage Cans (UBCs)
- Processing of Finely disseminated Saudi Iron Ores
- Experimental and theoretical investigations on diffusion process for rare earth ores
- Vorschau/Preview
- Vorschau
- Kalender/Calendar
- Kalender
