کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
7105710 1460483 2018 10 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Effects of multiwall carbon nanotube addition on the corrosion resistance and underwater acoustic absorption properties of polyurethane coatings
ترجمه فارسی عنوان
اثر افزودن نانولوله کربنی چند لایه بر مقاومت به خوردگی و جذب آکوستیک زیر آب پوشش های پلی ¬ اورتان
موضوعات مرتبط
مهندسی و علوم پایه مهندسی شیمی تکنولوژی و شیمی فرآیندی
چکیده انگلیسی
In this study, the effect of multiwall carbon nanotube (CNT) addition on the anticorrosion and underwater acoustic absorption properties of polyurethane (PU) coatings was studied. The corrosion and mechanical properties of various coatings were characterized through electrochemical impedance spectroscopy, polarization curve measurement, salt spray tests, pull-off tests, and dynamic mechanical analysis. Underwater acoustic absorption properties were evaluated using an underwater acoustic impedance tube system comprising two hydrophones, a sound and vibration data acquisition module, a power amplifier, and a speaker. The results indicated that the corrosion resistance and adhesion strength of the PU coating was enhanced by adding 0.4 wt% CNTs. When additional CNTs were added (1 wt%), however, the corrosion rate of the coating increased. Measurement of the underwater sound absorption coefficient revealed that the underwater acoustic absorption properties of the PU + CNT composite coatings increased as the CNT content increased to 1 wt%.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Progress in Organic Coatings - Volume 121, August 2018, Pages 226-235
نویسندگان
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