The design of glass fiber//epoxy composite pipes by the implementation of the full factorial experimental design

Pop Metodieva, Biljana and Srebrenkoska, Sara and Srebrenkoska, Vineta (2015) The design of glass fiber//epoxy composite pipes by the implementation of the full factorial experimental design. Quality of Life, 6 (3-4). pp. 83-87. ISSN 1986-602X (print); 1986-6038 (online)

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Abstract

In the present work, the attempt was made to assess the applicability of the full factorial experimental design
in predicting the hoop tensile strength of glass fiber/ epoxy resin composite pipes by using of a split disk specimens. Split disk tension tests, provide reasonably accurate information with regard to the apparent tensile strength of composite pipe.
In the study we used a number of composite pipes with different fi ber orientation, fiber tension and velocity of the winding.
The composite pipes were made by using of fi lament winding technology includes winding of resin impregnated fibers into a tool and hardening of the wound structure.
The preparation of the composite experimental samples was conducted in accordance with the 23 full factorial experimental design. The winding speed of the composites was taken to be the fi rst factor, the second was the fiber tension and the third winding angle. The fi rst factor low and high levels were set at 5,21 m/min and 21 m/min, respec tively, for the second factor – at 64N and 110N, respectively, and for the third factor – at 100 and 900. To approxi mate the response i.e. the hoop tensile strength of the composite pipes within the study domain (5,25 – 21)m/min x (64-110)N x (10 – 90)0, the first order linear model with the interaction was used. The influence of each individual factor to the response function was established, as well as the infl uence of the interaction of the two and three factors. We found out that the estimated fi rstdegree
regression equation with the interaction gave a very good approximation of the experimental results of the hoop tensile strength of composites within the study domain.

Item Type: Article
Subjects: Engineering and Technology > Materials engineering
Divisions: Faculty of Technology
Depositing User: Vineta Srebrenkoska
Date Deposited: 02 Feb 2016 11:01
Last Modified: 02 Feb 2016 11:01
URI: https://eprints.ugd.edu.mk/id/eprint/15242

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