Article Per Year (5 Year)
p-Index From 2020 - 2025
0.562
P-Index
This Author published in this journals
All Journal Jurnal Bluefin Fisheries Jurnal Airaha
Jozua Ch. Huwae
Politeknik Kelautan dan Perikanan Bitung
Agriculture, Biological Sciences & Forestry Humanities Astronomy Biochemistry, Genetics & Molecular Biology Chemistry Education Engineering Mechanical Engineering Social Sciences

Published : 2 Documents Claim Missing Document
Claim Missing Document
Check
Articles

Found 2 Documents
Search

 1 
PENGARUH KOMPOSISI CU-ZN TERHADAP TINGKAT KEKERASAN DAN STRUKTUR MIKRO ALUMINIUM DIE CASTING (ADC) 12 SEBAGAI BAHAN PROPELLER Ahmad Ilham Ramadhani; Barokah Barokah; Fahriadi Pakaya; Jozua Ch. Huwae; Marinus S. Tappy; Andie Murtono; Ahmad Tubagus Tsani Risqi Aji
JURNAL BLUEFIN FISHERIES Vol 3, No 2 (2021)
Publisher : Politeknik Kelautan dan Perikanan Bitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (386.352 KB) | DOI: 10.15578/jbf.v3i2.114

Abstract

Propeller is one of the important components of a ship. Generally, propellers are made of aluminum which is easily damaged when hit by waves and corrosion. The development is done by adding brass (Cu-Zn) on ADC 12. The sample was successfully made with a ratio of 70% ADC 12 : 30% Cu-Zn using the casting method and then cooled at room temperature followed by die casting and sand casting processes. The sample was tested for hardness using the Rockwell method according to the ASTM E18 standard and the microstructure test on the sample. Based on the test results obtained an average hardness level of 72.6 HRC and the formation of Al-Si-Mg, α-Al, Cu, Zn in the sample which shows the distribution of non-ferrous material in ADC-12. Keywords : ADC 12; Cu-Zn; propeller; microstructure; hardness
Analisa Kekuatan Tarik dan Kekuatan Impact Propeller Alumunium Die Casting (ADC) 12 dengan Penambahan Cu-Zn Ahmad Ilham Ramadhani; Barokah Barokah; Fahriadi Pakaya; Jozua Ch. Huwae; Marinus S. Tappy; Andie Murtono; Ahmad Tubagus Tsani Risqi Aji
Jurnal Airaha Vol 11 No 01: June 2022
Publisher : Politeknik Kelautan dan Perikanan Sorong, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (483.642 KB) | DOI: 10.15578/ja.v11i01.320

Abstract

Propeller kapal nelayan umumnya terbuat dari aluminium yang mudah mengalami kerusakan pada saat dihantam batu karang, ombak dan mengalami korosi. Maka dilakukan pengembangan dengan penambahan kuningan (Cu-Zn) terhadap material propeller ADC 12. Spesimen berhasil dibuat dengan penambahan 30% Cu-Zn pada ADC 12 dengan menggunakan metode pengecoran yang dilanjutkan pencetakan dengan metode die dan sand casting. Spesimen ADC 12 dan paduan ADC 12+CuZn diuji tarik dan impak sesuai standard ASTM E8 dan ASTM E23 untuk mengetahui perubahan sifat mekanik material tersebut. Berdasarkan hasil pengujian tarik diperoleh bahwa adanya unsur Cu-Zn menurunkan kekuatan tarik ADC 12 (141 MPa) dan paduan ADC 12+CuZn (55,1 Mpa). Hasil pengujian kekuatan impact menunjukkan tingkat kekuatan impact kekerasan rata-rata ADC 12 (15,61 joule) dan paduan ADC 12+CuZn (15,98 joule).
Co-Authors Ahmad Ilham Ramadhani Ahmad Tubagus Tsani Risqi Aji Andie Murtono Barokah Marinus S. Tappy Pakaya, Fahriadi