Abstract




 
   

IJE TRANSACTIONS A: Basics Vol. 31, No. 7 (July 2018) 1088-1094    Article in Press

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  EVALUATION OF MECHANICAL AND TRIBOLOGICAL PROPERTIES OF GLASS/CARBON FIBER REINFORCED POLYMER HYBRID COMPOSITE
 
D. K. Jesthi, A. Nayak, B. C. Routara and R. K. Nayak
 
( Received: November 12, 2017 – Accepted in Revised Form: March 09, 2018 )
 
 

Abstract    Polymer matrix composites used in different industrial applications due to their enhanced mechanical properties and lightweight. However, these materials are subjected to friction and wear situations in some industrial and automobile applications. Therefore, there is a need to investigate the wear properties of polymer matrix composite materials. This article emphasizes the dry abrasive wear behavior of a hybrid glass/carbon ([GCGGC]S) composite. The mechanical and wear properties of the composite was evaluated and compared with maiden glass and carbon fiber reinforced polymer composite. Design of experiment of Box-Behnken type was adopted to perform the experiments. Response surface methodology (RSM) was employed to optimize the experimental parameters to minimize the specific wear rate of the composites. A second order mathematical model was developed. The model has predicted the optimum input parameters for minimum specific wear rate of 18.847×10-3 mm3/Nm for the hybrid ([GCGGC]S) composite. Furthermore, the model predicted specific wear rate value was validated with experimental one and found a close agreement between them.

 

Keywords    Glass/Carbon Hybrid Composites; Flexural; Wear; Response Surface Methodology

 

چکیده    کامپوزیت ماتریس پلیمری به دلیل ویژگی خاص در کاربردهای مختلف صنعتی های مکانیکی و سبک وزن آنها افزایش یافته است. با این حال، این مواد در برخی از برنامه های صنعتی و خودرو اصطکاک مورد استفاده هستند. بنابراین نیاز به بررسی خواص پوششی مواد کامپوزیتی ماتریکس پلیمری است. این مقاله تاکید بر رفتار سایش خشک ساینده یک ترکیب شیشه ای / کربن هیبریدی ([GCGGC] S) است. خواص مکانیکی و پوششی کامپوزیت با کامپوزیت پلیمرهای تقویت شده فیبر کربن شیشه و شیشه ای مورد مقایسه قرار گرفت. طراحی آزمایشی نوع Box-Behnken برای انجام آزمایشات انجام شد. به منظور بهینه سازی پارامترهای آزمایشی برای به حداقل رساندن سرعت سایش ویژه کامپوزیت ها، روش پاسخ سطح (RSM) مورد استفاده قرار گرفت. یک مدل ریاضی مرتبه دوم توسعه یافت. این مدل پارامترهای ورودی بهینه را برای کمترین سرعت سایش ویژه18.847×10-3 mm3/Nm برای ترکیبی ( ([GCGGC]S) کامپوزیت پیش بینی شده است. علاوه بر این، مدل پیش بینی شدۀ میزان سایش ویژه با استفاده از آزمون تجربی یکسان بود و توافق نزدیک میان آنها موجود بود.

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