Jaya, Andika Tamar (2023) PENGARUH JENIS RESIN THERMOSET DAN LAMA WAKTU PERENDAMAN TERHADAP SIFAT MEKANIK GLASS FIBER REINFORCED POLYMERS UNTUK PENGAPLIKASIAN BAK PEMANDIAN AIR PANAS. S1 thesis, UNIVERSITAS SULTAN AGENG TIRTAYASA.
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Abstract
The development of composite technology in recent decades has had a positive impact in various fields. Composites are materials composed of two or more substances with different physical and chemical properties. One example of the use of composite technology is in hot tubs, where fiberglass reinforced polymers (FGRP) reinforced with glass fibers become an alternative construction material. In this study, three types of thermoset resins, namely epoxy, vinyl ester, and polyester, were used, and they were mixed with E-glass fibers using the hand lay-up fabrication method. The purpose of this research was to analyze the mechanical properties of FGRP composites based on the resin used. The research results showed that all polymer samples experienced a decrease in mass when immersed in hot water. Epoxy polymer exhibited good water resistance as it did not absorb water, whereas polyester and vinyl ester had a higher water absorption rate of about 0.02%. The tensile strength of the composite increased with an increase in the number of layers of glass fibers. Polyester with two layers of glass fibers showed the highest tensile strength, up to 79.56 MPa, while polyester with three layers experienced a decrease in tensile strength to 61.5 MPa. The elongation value of the composite depended on the type of resin and the number of glass fiber layers. Polyester with three layers of glass fibers had the highest elongation before failure, which was 11.5%. The data from the compression test indicated that there were no significant changes in the ultimate compressive strength (UCS) value. This research demonstrates that the choice of thermoset resin and the number of glass fiber layers can influence the mechanical properties of FGRP composites. These findings provide valuable information for the industry in developing applications for hot tubs that meet quality and safety standards.
| Item Type: | Thesis (S1) | |||||||||
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| Additional Information: | Perkembangan teknologi komposit dalam beberapa dekade terakhir telah memberikan dampak positif dalam berbagai bidang. Komposit merupakan material yang terdiri dari dua atau lebih material dengan sifat fisik dan kimia yang berbeda. Salah satu contoh penggunaan teknologi komposit adalah pada bak pemandian air panas, di mana fiberglass reinforced polymers (FGRP) yang diperkuat dengan serat kaca menjadi alternatif bahan konstruksi. Dalam penelitian ini, digunakan tiga jenis resin termoset, yaitu epoksi, vinil ester, dan poliester, yang dicampur dengan serat kaca E-glass menggunakan metode fabrikasi hand lay-up. Penelitian ini dilakukan dengan tujuan menganalisis sifat mekanik komposit FGRP berdasarkan resin yang digunakan. Hasil penelitian menunjukkan bahwa semua sampel polimer mengalami penurunan massa selama direndam dalam air panas. Polimer epoksi memiliki sifat resapan air yang baik karena tidak meresap air, sedangkan poliester dan vinil ester memiliki tingkat penyerapan air yang lebih tinggi yaitu sebanyak 0,02%. Nilai kekuatan tarik komposit meningkat seiring dengan peningkatan jumlah lapisan serat kaca. Poliester dengan dua lapisan serat kaca menunjukkan kekuatan tarik tertinggi hingga 79,56 MPa. Dan pada poliester tiga lapis mengalami penurunan kekuatan tarik menjadi 61,5 MPa. Nilai elongasi komposit bergantung pada jenis resin dan jumlah lapisan serat kaca. Poliester dengan tiga lapisan serat kaca memiliki elongasi tertinggi sebelum kegagalan yaitu 11,5 %. Pada data hasil uji kompresi menyatakan bahwa tidak terdapat perubahan signifikan dalam nilai UCS (ultimate compressive strength. Penelitian ini menunjukkan bahwa pemilihan resin termoset dan jumlah lapisan serat kaca dapat mempengaruhi sifat mekanik komposit FGRP. Hasil ini memberikan informasi penting bagi industri dalam pengembangan aplikasi bak pemandian air panas yang memenuhi standar kualitas dan keamanan. | |||||||||
| Subjects: | T Technology > T Technology (General) T Technology > TA Engineering (General). Civil engineering (General) T Technology > TT Handicrafts Arts and crafts T Technology > TX Home economics |
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| Divisions: | 03-Fakultas Teknik 03-Fakultas Teknik > 27201-Jurusan Teknik Metalurgi |
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| Depositing User: | Mr Andika Tamar Jaya | |||||||||
| Date Deposited: | 21 Aug 2023 14:18 | |||||||||
| Last Modified: | 21 Aug 2023 14:18 | |||||||||
| URI: | http://eprints.untirta.ac.id/id/eprint/28655 |
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