Murdiyansah, Irham (2022) PENGARUH PENAMBAHAN INOKULAN MANGAN DAN TEMPERATUR CETAKAN TERHADAP SIFAT MEKANIK DAN STRUKTUR MIKRO PADUAN Cu-Al HASIL PROSES PENGECORAN. S1 thesis, UNIVERSITAS SULTAN AGENG TIRTAYASA.
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Abstract
ABSTRACT Electronic equipment that is increasingly being replaced will become electronic waste, especially in the form of waste cables and coils. In the processing process, cable waste is generally reprocessed into electronic components. Based on the classification, cable and coil waste is classified as inorganic waste. Inorganic waste is difficult to decompose naturally, therefore if it is not recycled, it will cause a negative impact on the surrounding environment. One of these electronic wastes is copper which can be reprocessed into Copper Alloy with a mixture of aluminum and added manganese as an inoculant, by melting copper and aluminum to find and then inserting the manganese inoculant and stirring and then pouring it into a mold with a certain temperature. The purpose of the addition of manganese inoculants and mold temperature is to improve the mechanical properties of copper alloys with variations in the addition of 0.6%, 0.8%, and 1.0% manganese inoculants and then variations in mold temperatures of 300oC, 350oC, and 400oC. Analysis of mechanical properties was carried out by testing hardness using Hardness Vickers and wear testing using the Ogoshi method, Microstructure analysis was also carried out using an optical microscope. The results obtained by manganese inoculants can improve the mechanical properties as well as the lower the mold temperature. The data obtained show that the highest hardness is 224.46 HV and the lowest abrasion specification is 0.58301 x 10-6 mm3/mm. Keywords: Copper Alloy, Manganese Inoculants, Mold temperature, Mechanical Properties
| Item Type: | Thesis (S1) | ||||||
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| Additional Information: | ABSTAK Peralatan elektronik yang semakin cepat tergantikan akan menjadi limbah elektronik terutama dalam bentuk limbah kabel dan kumparan. Dalam proses pengolahan umumnya limbah kabel diolah kembali menjadi komponen elektronik. Berdasarkan klasifikasinya, limbah kabel dan kumparan tergolong ke dalam limbah anorganik. Limbah anorganik sulit untuk terurai secara alami, maka dari itu jika tidak diproses daur ulang akan menyebabkan dampak negatif bagi lingkungan sekitar. Salah satu limbah elektronik ini adalah tembaga yang dapat diolah kembali menjadi Copper Alloy¬ dengan campuran aluminium dan ditambahkan mangan sebagai inokulan, dengan cara melebur tembaga dan aluminium hingga cari lalu memasukan inokulan mangan dan diaduk lalu dituangkan ke dalam cetakan dengan temperatur tertentu. Tujuan dari penambahan inokulan mangan dan temperatur cetakan untuk meningkatkan sifat mekanik dari paduan tembaga dengan variasi penambahan inokulan mangan 0,6%, 0,8%, dan 1,0% lalu variasi temperatur cetakan 300oC, 350oC, dan 400oC. Analisis sifat mekanik dilakukan dengan pengujian kekerasan menggunakan Hardness Vickers dan pengujian keausan menggunakan metode Ogoshi. Analisis struktur mikro juga dilakukan dengan menggunakan alat mikroskop optik. Hasil yang didapat inokulan mangan dapat meningkatkan sifat mekanik begitu pula dengan semakin kecilnya temperatur cetakan. Data yang didapat menunjukkan kekerasan yang paling tinggi didapat 224,46 HV dan spesifikasi abrasi paling kecil didapat 0,58301 x 10-6 mm3/mm. Kata Kunci : Copper Alloy, Inokulan Mangan, temperatur Cetakan, Sifat Mekanik | ||||||
| Subjects: | T Technology > T Technology (General) T Technology > TN Mining engineering. Metallurgy T Technology > TS Manufactures U Military Science > U Military Science (General) |
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| Divisions: | 03-Fakultas Teknik 03-Fakultas Teknik > 27201-Jurusan Teknik Metalurgi |
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| Depositing User: | Mr Irham Murdiyansah | ||||||
| Date Deposited: | 07 Dec 2022 15:05 | ||||||
| Last Modified: | 07 Dec 2022 15:05 | ||||||
| URI: | http://eprints.untirta.ac.id/id/eprint/18061 |
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