کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
618831 | 1455050 | 2009 | 10 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Solid particle erosion studies on polyphenylene sulfide composites and prediction on erosion data using artificial neural networks
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
شیمی کلوئیدی و سطحی
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چکیده انگلیسی
Solid particle erosion behavior of polyphenylene sulfide, reinforced by short glass fibers with varying fiber content (0-40 wt%) has been studied. Steady-state erosion rates have been evaluated at different impact angles (15-90°) and impact velocities (25-66 m/s) using silica sand particles (200 ± 50 μm) as an erodent. PPS and its composites exhibited maximum erosion rate at 30° impact angle indicating ductile erosion behavior. Though PPS is a brittle thermoplastic, incubation period was found for neat resin and its composites at normal impact (α = 90°). The erosion rates of PPS composites increased with increasing amount of glass fiber. Morphology of eroded surfaces was examined using scanning electron microscopy (SEM) and possible wear mechanisms were discussed. Also, artificial neural networks (ANNs) technique has been used to predict the erosion rate based on the experimentally measured database of PPS composites. The results show that the predicted data are well acceptable when comparing them to measured values. A well-trained ANN is expected to be very helpful for prediction of wear data for systematic parameter studies.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Wear - Volume 266, Issues 1â2, 5 January 2009, Pages 184-193
Journal: Wear - Volume 266, Issues 1â2, 5 January 2009, Pages 184-193
نویسندگان
Arjula Suresh, A.P. Harsha, M.K. Ghosh,