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<http://eprints.untirta.ac.id/id/eprint/58853> <http://purl.org/ontology/bibo/abstract> "Penelitian ini berjudul \"Pengaruh Penambahan Master Alloy Al-Cu dan Temperatur Homogenisasi terhadap Sifat Mekanik dan Struktur Mikro Aluminium Alloy 2024\". Tujuan utama dari penelitian ini adalah untuk mengeksplorasi bagaimana penambahan tembaga (Cu) dan variasi suhu homogenisasi memengaruhi sifat mekanik dan struktur mikro paduan aluminium 2024. Paduan aluminium dipilih karena sifatnya yang ringan dan kuat, serta ketahanannya terhadap korosi, yang sangat penting dalam industri dirgantara. Penelitian ini menggunakan metode eksperimen di Laboratorium Material Manufaktur, dengan fokus pada tiga variasi kandungan Cu (3,9%, 4,4%, dan 4,9%) dan suhu homogenisasi (470°C, 500°C, dan 530°C). Penelitian ini menunjukkan bahwa kombinasi kadar Cu 3,9% dan suhu homogenisasi 470°C merupakan kondisi paling optimal karena menghasilkan presipitat halus dan merata yang meningkatkan kekerasan serta kekuatan tarik, sedangkan kadar Cu yang lebih tinggi atau suhu yang terlalu rendah maupun terlalu tinggi menyebabkan terbentuknya presipitat kasar atau coarsening yang menurunkan sifat mekanik paduan aluminium 2024. Hasil penelitian diharapkan dapat memberikan gambaran yang jelas mengenai pengaruh faktor-faktor tersebut terhadap kekuatan mekanik, melalui pengujian kekerasan dan tarik, serta analisis struktur mikro menggunakan teknik metalografi. Hasil dari penelitian ini diharapkan dapat memberikan kontribusi terhadap pengembangan material pada industri dirgantara di Indonesia, serta merekomendasikan penggunaan bahan baku daur ulang untuk meningkatkan keberlanjutan industri. Penelitian ini juga berpotensi memberikan rekomendasi strategis bagi pelaku industri dan pembuat kebijakan untuk meningkatkan daya saing dan keberlanjutan industri dirgantara di kancah global."^^<http://www.w3.org/2001/XMLSchema#string> .
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