پديد آورنده :
فتاح الحسيني، آرش
عنوان :
مطالعه رشد و انهدام لايه رويين فولاد زنگ نزن AISI316L در مناطق رويين و رويين گذرا با روش طيف سنجي امپدانس الكتروشيميايي
محل تحصيل :
اصفهان: دانشگاه صنعتي اصفهان، دانشكده مواد
صفحه شمار :
نه،119ص.: مصور،جدول،نمودار
يادداشت :
ص.ع.به: فارسي و انگليسي
استاد راهنما :
احمد ساعتچي ،محمدعلي گلعذار
استاد مشاور :
كيوان رئيسي
توصيفگر ها :
رويين شدن , الكترودكاري , آزمون موت-شاتكي
تاريخ نمايه سازي :
88/12/2
استاد داور :
محمد حسين فتحي،محمد قرباني،محمد ژياني
كد ايرانداك :
ID276 دكتري
چكيده فارسي :
به فارسي و انگليسي: قابل رويت در نسخه ديجيتالي
چكيده انگليسي :
EIS investigation of the growth and breakdown of passive film on AISI 316L stainless steel in passive and transpassive region A Fattah alhosseini E mail arash fattah@Gmail com Department of Materials Engineering Isfahan University of Technology Isfahan84156 83111 IranAbstractThe passivity of AISI 316L stainless steel in 0 05M H2SO4 in the steady state condition hasbeen explored using various electrochemical techniques including potentiostatic polarization electrochemical impedance spectroscopy EIS and Mott Schottky analysis Based on theMott Schottky analysis in conjunction with the point defect model PDM it was shown thatthe calculated donor density decreases exponentially with increasing passive film formationpotential The thickness of the barrier layer was increased linearly with the film formationpotential These observations were consistent with the predictions of the PDM noting that thepoint defects within the barrier layer of the passive film are metal interstitials oxygenvacancies or both Also no evidence for p type behavior was obtained indicating that cationvacancies do not have any significant population density in the passive film Keywords PDM Passive Film EIS Formation Potential Stainless Steel
استاد راهنما :
احمد ساعتچي ،محمدعلي گلعذار
استاد مشاور :
كيوان رئيسي
استاد داور :
محمد حسين فتحي،محمد قرباني،محمد ژياني
