PENGARUH PENAMBAHAN SERBUK KAYU JATI PADA MATERIAL KOMPOSIT BERBASIS POLYESTER TERHADAP KEKERASAN DAN KEAUSAN KAMPAS REM

SHADDAM HANIF, . (2026) PENGARUH PENAMBAHAN SERBUK KAYU JATI PADA MATERIAL KOMPOSIT BERBASIS POLYESTER TERHADAP KEKERASAN DAN KEAUSAN KAMPAS REM. Sarjana thesis, UNIVERSITAS NEGERI JAKARTA.

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Abstract

Kampas rem merupakan komponen utama sistem pengereman kendaraan yang berfungsi menghasilkan gaya gesek untuk memperlambat atau menghentikan laju kendaraan. Kinerja kampas rem ditentukan oleh sifat mekanik material penyusunnya, kekerasan dan keausan. Seiring meningkatnya perhatian terhadap isu lingkungan, pemanfaatan material alami sebagai penguat komposit menjadi alternatif potensial. Penelitian ini bertujuan menganalisis pengaruh variasi komposisi matriks polyester dan penguat serbuk kayu jati terhadap sifat mekanik kampas rem. Metode penelitian yang digunakan adalah metode eksperimental dengan pembuatan tiga variasi spesimen, yaitu Spesimen A dengan komposisi 60% polyester dan 40% serbuk kayu jati, Spesimen B dengan komposisi 50% polyester dan 50% serbuk kayu jati, serta Spesimen C dengan komposisi 40% polyester dan 60% serbuk kayu jati. Pengujian kekerasan dilakukan menggunakan durometer Shore D mengacu pada standar ASTM D2240, sedangkan pengujian keausan dilakukan menggunakan metode Ogoshi berdasarkan standar ASTM G99. Hasil penelitian menunjukkan bahwa variasi komposisi material berpengaruh terhadap nilai kekerasan dan keausan kampas rem. Nilai kekerasan tertinggi diperoleh pada Spesimen C sebesar 61,4 HD dan terendah pada Spesimen B sebesar 55,2 HD, namun seluruh spesimen belum memenuhi standar kekerasan menurut SAE J661. Nilai keausan terendah diperoleh pada Spesimen B sebesar 8,54 × 10⁻⁴ mm²/kg, sedangkan tertinggi pada Spesimen C sebesar 2,14 × 10⁻³ mm²/kg. ***** Brake pads are one of the main components in vehicle braking systems, functioning to generate friction in order to reduce or stop vehicle motion. This study aims to analyze the effect of polyester matrix and teak wood powder reinforcement composition on the mechanical properties of composite brake pads, particularly hardness and wear resistance. The research was conducted using an experimental method by producing three specimen variations: Specimen A (60% polyester and 40% teak wood powder), Specimen B (50% polyester and 50% teak wood powder), and Specimen C (40% polyester and 60% teak wood powder). Hardness testing was carried out using a Shore D durometer in accordance with ASTM D2240, while wear testing was performed using the Ogoshi method based on ASTM G99.The results indicate that variations in material composition significantly affect the hardness and wear characteristics of the composite brake pads. The highest hardness value was obtained for Specimen C at 61.4 HD, while the lowest hardness was observed in Specimen B at 55.2 HD. However, all specimens did not meet the hardness requirements specified in SAE J661. Wear test results showed that Specimen B exhibited the lowest specific wear rate of 8.54 × 10⁻⁴ mm²/kg, whereas Specimen C showed the highest wear rate of 2.14 × 10⁻³ mm²/kg. Specimens A and C met the wear standard requirements of SAE J661. Based on these findings, composite brake pads reinforced with teak wood powder demonstrate potential as an environmentally friendly alternative brake pad material, particularly in terms of wear resistance

Item Type:	Thesis (Sarjana)
Additional Information:	1). Rani Anggrainy, S.Pd., M.T. ; 2). Dr. Ferry Budhi Susetyo, M.T., M.Si.
Subjects:	Teknologi dan Ilmu Terapan > Teknik Mesin, Mekanika Teknik Teknologi dan Ilmu Terapan > Otomotif, Astronotika
Divisions:	FT > S1 Pendidikan Teknik Mesin
Depositing User:	shaddam hanif .
Date Deposited:	04 Feb 2026 08:05
Last Modified:	04 Feb 2026 08:05
URI:	http://repository.unj.ac.id/id/eprint/64909

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