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Enhancing the Tribological Properties PETG and CFPETG Composites Fabricated by FDM via Various Infill Density and Annealing
Technical Paper
2020-28-0429
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
One of the prominent representatives of heat-resistant polymers was the class of Polyethylene Terephthalate Glycol (PETG) with high-strength, but still lightweight. The carbon fiber with PETG (CFPETG) composites also gives even more resistance to heat and chemical, creating it a demandable choice of application in automotive and other industrial components. This paper aims to study the most significant process parameter of FDM technique for different infill density of 25%, 50%, 75%, and 100% at various sliding load condition and sliding distance on wear and friction characteristics of PETG and CFPETG under annealed condition was investigated via dry sliding tribometer apparatus. The trials were done by applying the load of 10N, 20N, 30N, 40N, with a sliding distance of 1000m, 2000m for the time period of 10 min at room temperature and responses such as wear rate and coefficient of friction were recorded for further analysis. The results show that the wear rate and coefficient of friction properties of neat PETG and CFPETG specimen change in improving way with a higher percentage for infill density followed by annealed condition of printed parts at all test parametric conditions. In which load and sliding distance increases wear rate increases for all the samples and followed by the coefficient of friction. The annealed CFPETG specimen with the infill density of 100% shows the best wear resistance and friction properties due to carbon fiber presence in the matrix coupled with annealing effect leading to better strength and bonding at all the load and sliding conditions. Finally compare the annealed samples with as-print samples at the end. The infill percentage and annealing route afford a base work for any parts in conjunction with each other to improve wear and friction behavior. There will be numerous openings occurring for future research and the progression of three-dimensional printing in the tribological field.
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Ranganathan, S., Kumar K, S., gopal, S., and Palanivelu, R., "Enhancing the Tribological Properties PETG and CFPETG Composites Fabricated by FDM via Various Infill Density and Annealing," SAE Technical Paper 2020-28-0429, 2020, https://doi.org/10.4271/2020-28-0429.Also In
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