Analisis Struktur Mikro Globular Dan Kekerasan Paduan Aluminium ADC12  Pada Pengecoran Semi Solid Dengan Metode Stir Casting

Rasyid, Syaharuddin; Tangkemanda, Abram; Hasbullah, Muh. Hasmar; Al-Fandi, Muh. Andra

doi:10.31963/sinergi.v17i2.2082

Cited by 2 publications

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“…Standar klasifikasi AA menerangkan bahwa aluminium jenis ini termasuk ke dalam paduan Al-Si-Cu. Pada Tabel 1 menunjukkan sifat utama dari paduan aluminium ADC12 [1][2] .…”

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Pengaruh Penambahan Caco3 Dari Limbah Kulit Telur Dan Waktu Pengadukan Pada Pembuatan Aluminium Foam Menggunakan Metode Melt Route

Ekariadi,

Zulaida,

Suryana

2023

JRM

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Aluminum is a lightweight material that has good corrosion resistance and electrical conductivity. It can be used for making aluminum foam. One of the methods for making aluminum foam is the melt route method. Making aluminum foam using the melt route process, is called melting aluminum metal, adding foaming agent, and stirring. This study aims to determine the effect of adding CaCO3 from eggshells and stirring time on the foaming ability of aluminum foam. The characteristics that will be observed include the type of aluminum foam, height, pore size, density, porosity, and compressive strength. This research used the melt route method with adding variations in the mass composition of CaCO3 is 4, 5, and 6 wt% on smelted aluminum with stirring times of 30, 45, and 60 seconds. The process is carried out by heating aluminum to 760 °C and adding Al2O3 as a viscosity modifier then adding variations in the mass composition of CaCO3 and stirring with a variation of stirring time. The results show that the highest aluminum foam gets a value of 75 mm. The pore sizes of aluminum foam are obtained ranged from 0.287 to 1.109 mm. The optimal value obtained from the addition of CaCO3 with a mass composition of 4 wt% with a stirring time of 45 seconds, has a density value of 0.388 g/cm3, a porosity percentage of 85.848%, and a compressive strength of 1.777 MPa.

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“…Standar klasifikasi AA menerangkan bahwa aluminium jenis ini termasuk ke dalam paduan Al-Si-Cu. Pada Tabel 1 menunjukkan sifat utama dari paduan aluminium ADC12 [1][2] .…”

Section: Pendahuluanunclassified

“…Tabel 1. Sifat utama dari paduan aluminium ADC12 [1] . Busa logam memiliki volume porositas yang besar berkisar antara 75-95%.…”

Section: Pendahuluanunclassified

Pengaruh Penambahan Caco3 Dari Limbah Kulit Telur Dan Waktu Pengadukan Pada Pembuatan Aluminium Foam Menggunakan Metode Melt Route

Ekariadi,

Zulaida,

Suryana

2023

JRM

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“…Pemanfaatan paduan aluminium juga diikuti oleh pengembangan dibidang teknologi prosesnya. Salah satu contoh teknologi prosesnya yaitu proses semi-solid forming rheocasting yang juga telah diteliti dalam penelitian sebelumnya [2][3][4][5][6][7]. Penelitian dilakukan guna meningkatkan kekerasan dan kekuatan bahan aluminium.…”

Section: Pendahuluanunclassified

Analisis Struktur Mikro dan Kekerasan Paduan Aluminium ADC 12 Hasil Proses Pengecoran Semi Solid dengan Proses Perlakuan Panas

Rasyid¹,

Muas²,

Rosyid³

et al. 2021

sinergi

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This research aims to analyze the effect of providing additional heat treatment and artificial aging with variations in temperature of quenching and variations in aging time of ADC12 semi-solid casting result which include hardness and microstructure values. The Selected quenching temperature variations are 10°C, 30°C and 50°C. While the aging time variations are 0 h, 1 h, 3 h, 5 h, 7 h, 9 h, 11 h and 13 h. The tests carried out are hardness testing as well as microstructure that will be used to calculate the grain size values and structural density. The highest hardness value was at 180°C, 10°C cooling media variation with 5 h aging time is 83.10 HB. While the smallest grain size value was at the temperature of 10°C cooling media with an aging time of 5 h is 42.797 µm. The optimal value lies at a temperature of 10°C with an aging time of 5 h resulting hardness 83.7911 HB, the average of grain size is 13.5995 µm and the grain density value is 0.8892 with desirability reaching 0.920.

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Analisis Struktur Mikro Globular Dan Kekerasan Paduan Aluminium ADC12 Pada Pengecoran Semi Solid Dengan Metode Stir Casting

Cited by 2 publications

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Pengaruh Penambahan Caco3 Dari Limbah Kulit Telur Dan Waktu Pengadukan Pada Pembuatan Aluminium Foam Menggunakan Metode Melt Route

Pengaruh Penambahan Caco3 Dari Limbah Kulit Telur Dan Waktu Pengadukan Pada Pembuatan Aluminium Foam Menggunakan Metode Melt Route

Analisis Struktur Mikro dan Kekerasan Paduan Aluminium ADC 12 Hasil Proses Pengecoran Semi Solid dengan Proses Perlakuan Panas

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