Pengaruh Variasi Fraksi Volume Serat Terhadap Kekuatan Tarik Komposit Epoksi Berpenguat Serat Serabut Kelapa Dengan Perlakuan Alkali (Naoh)

Isyudono, Emitria and , Joko Sedyono, S.T.,M.Eng.,Ph.D (2020) Pengaruh Variasi Fraksi Volume Serat Terhadap Kekuatan Tarik Komposit Epoksi Berpenguat Serat Serabut Kelapa Dengan Perlakuan Alkali (Naoh). Skripsi thesis, Universitas Muhammadiyah Surakarta.

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Abstract

Abstrak The use of environmentally friendly materials and have economic value is getting the attention of countries in the world today. One of them is the use of natural fibers namely coconut fiber fibers. Coconut fiber fibers are very potential to be used as reinforcement of new materials in composite materials. This research used a random coconut fiber fiber with 5% alkali (NaOH) treatment for 2 hours with a ratio of epoxy and hardener 60:40 as the matrix. The volume fraction of composite fibers is 10%, 20%, 30% and composites are made using press molds. Specimens and procedures of tensile testing with standard ASTM D638 and macro photos to see the results of fractures after tensile testing The results of the study show the tensile strength the most optimal at a 20% volume fraction is 26.77 MPa strain 8.38 modulus of elasticity 319.45. In the results of macro photographs, the tensile structure of the composite specimen fractures occurred pull out fiber.

Item Type:	Karya ilmiah (Skripsi)
Uncontrolled Keywords:	Fibers,coconut,epoxy,alkali
Subjects:	T Technology > TJ Mechanical engineering and machinery
Divisions:	Fakultas Teknik > Teknik Mesin
Depositing User:	EMITRIA ISYUDONO
Date Deposited:	16 Oct 2020 02:32
Last Modified:	16 Oct 2020 02:32
URI:	http://eprints.ums.ac.id/id/eprint/86460

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