The implementation of full factorial experimental design in predicting the ballistic strength of glass fiber/phenolic composites

Dimeski, Dimko and Bogoeva-Gaceva, Gordana and Srebrenkoska, Vineta (2013) The implementation of full factorial experimental design in predicting the ballistic strength of glass fiber/phenolic composites. In: X Simpozijum Savremene tehnologije i privredni razvoj, 22-23 Oct 2013, Leskovac, Srbija.

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Abstract

The purpose of the study is to predict the ballistic strength of rigid glass fiber/phenolic resin composites by using the full factorial experimental design. Ballistic glass/phenolic composites were made by the open mold high pressure, high-temperature compression of prepreg made of plain woven glass fiber fabric and polyvinylbutyrale modified phenolic resin. The preparation of the composites was done by applying the 22 full factorial experimental design. The areal weight of composites is taken to be the first factor and the second – fiber/resin ratio. The first factor low and high levels are 2 kg/m2 and 9 kg/m2, respectfully and for the second factor – 20/80 and 60/40, respectfully. We used the first-order linear model to approximate the response i.e. the ballistic strength of the composites within the study domain (9 – 2) kg/m2 x (20/80 – 60/40) ratio. The influence of each individual factor to the response function is established, as well as the interaction of the two factors. We found out that the estimated first-degree regression equation with interaction gives a very good approximation of the experimental results of the ballistic strength of composites within the study domain. Key word: glass fiber, ballistic, factorial design, regression equation

Item Type: Conference or Workshop Item (Paper)
Subjects: Engineering and Technology > Materials engineering
Divisions: Faculty of Technology
Depositing User: Vineta Srebrenkoska
Date Deposited: 28 Nov 2013 10:14
Last Modified: 28 Nov 2013 10:14
URI: http://eprints.ugd.edu.mk/id/eprint/8205

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