Development of a new inexpensive green thermoplastic composite and evaluation of its physico-mechanical and wear properties |
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| Affiliation: | 1. Department of Mechanical and Industrial Engineering, Caledonian College of Engineering, P.O. Box 2322, Al-Hail, PC 111, Oman;2. Department of Studies in Polymer Science, Sir M.V. P.G Centre, University of Mysore, Mandya, India;3. Department of Studies in Chemistry, University of Mysore, Mysore 570 006, India;1. Centre for Composite Materials and Structures, Harbin Institute of Technology, China;2. University of California, Irvine, USA;3. Dept. of Mechanical Engineering, Hong Kong Polytechnic University, Hung Hom, Hong Kong, China;1. Universidade Federal de Uberlândia, Uberlândia, Brazil;2. Aperam South America, Brazil;1. Birck Nanotechnology Center, Purdue University, West Lafayette, IN 47907, USA;2. School of Electrical and Computer Engineering, Purdue University, West Lafayette, IN 47907, USA;1. College of Food Science, Sichuan Agricultural University, Yaan, 625014, China;2. National Engineering Laboratory for Rice and By-product Deep Processing, College of Food Science and Engineering, Central South University of Forestry & Technology, Changsha, 410004, China;3. College of Science, Sichuan Agricultural University, Yaan, 625014, China |
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| Abstract: | In the present study an attempt has been made to use turmeric spent (TS) as reinforcing filler to fabricate polypropylene (PP) green composite for load bearing and tribological applications. PP/TS composites were fabricated using varying amounts of TS viz, 10%, 20%, 30% and 40% (w/w) by twin screw extrusion method. The fabricated PP green composites were evaluated for physico-mechanical and tribological properties. Experimentally obtained tensile values were compared with theoretically predicted values using different theoretical models. Tensile modulus of composites increased from 1041 to 1771 MPa with the increase in filler addition from 0 to 40 wt.%. Flexural strength and flexural modulus of composites were improved after incorporation of TS into PP matrix. The water absorption characteristics of composites were determined. The effect of abrading distances viz., 150, 300, 450, and 600 m and different loads of 23.54 and 33.54 N at 200 rpm on the abrasive wear behaviour were studied using dry sand/rubber wheel abrasive test rig. The TS filler lowered the abrasion resistance of PP/TS composites. The wear volume loss and specific wear rate as a function of abrading distance and load were determined. The surface morphology of tensile fractured green composites and their worn surface features were examined under scanning electron microscope. |
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