Pengaruh Variasi Komposisi Serbuk Kulit Jagung, Kuningan, dan Aluminium terhadap Kekerasan dan Ketangguhan Komposit Kampas Rem Non-Asbes
DOI:
https://doi.org/10.29407/jmn.v8i2.25242Keywords:
kampas rem non-asbes, komposit, serbuk kulit jagung, uji impak, uji kekerasanAbstract
Kampas rem non-asbes diperlukan sebagai alternatif yang aman dan ramah lingkungan untuk menggantikan kampas rem berbahan asbes. Penelitian ini bertujuan menganalisis pengaruh variasi komposisi serbuk kulit jagung, serbuk kuningan, dan serbuk aluminium terhadap kekerasan dan ketangguhan komposit kampas rem. Tiga variasi komposisi disiapkan dengan perubahan fraksi serat kulit jagung sebesar 50%, 40%, dan 30%, sementara fraksi logam ditingkatkan secara proporsional. Pengujian meliputi uji kekerasan Shore D dan uji impak Charpy. Hasil menunjukkan bahwa peningkatan kandungan logam meningkatkan kekerasan komposit dari 62 menjadi 78 Shore D, sedangkan penurunan kandungan kulit jagung menurunkan energi impak dari 12,57 J menjadi 6,98 J. Komposisi 50% kulit jagung, 25% kuningan, dan 25% aluminium memberikan keseimbangan paling optimal antara kekerasan dan ketangguhan. Komposit ini dinilai potensial sebagai material kampas rem non-asbes yang aman dan memiliki performa mekanik memadai.
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