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All Journal Jurnal Metalurgi dan Material Indonesia
Supono Adi Dwiwanto
Jurusan Teknik Metalurgi, Universitas Jenderal Achmad Yani, Bandung, Indonesia
Automotive Engineering Chemistry Engineering Industrial & Manufacturing Engineering

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Pengaruh Penambahan Aluminium Oksida Terhadap Kekerasan dan Struktur Mikro Paduan Mg-Sn Ayuda Darmawan Yulianto; Muhammad Reza Parega; Kusharjanto Suhirman; Supono Adi Dwiwanto
Jurnal Metalurgi dan Material Indonesia Vol. 1 No. 2 (2018): Desember
Publisher : Badan Kerja Sama Pendidikan Metalurgi dan Material (BKPMM)

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This paper focused on hardness and microstructure of Mg-Sn alloy by Aluminium Oxide addition. Mg-Sn alloys were prepared by casting with the addition of Aluminium Oxide from 1% to 5%wt, then quenching to the water. The microstructure evolution and hardness were investigated. Based on hardness test result the hardness was increased. With 1% to 5% Aluminium Oxide addition, hardness increased from 22.9 BHN to 30.8 BHN. The highest hardness was in the addition of 5% Aluminium Oxide with 30.8 BHN. The result showed that increasing of Aluminium Oxide content resulted the globular and smaller grains.
Effect of Hydroxyapatite on Microstructure and Hardness of Mg-Al-Zn Alloy Andy Saputro; Intan Khoerunisa; Kusharjanto Suhirman; Supono Adi Dwiwanto
Jurnal Metalurgi dan Material Indonesia Vol. 1 No. 2 (2018): Desember
Publisher : Badan Kerja Sama Pendidikan Metalurgi dan Material (BKPMM)

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This paper focused on microstructure and hardness of Mg-Al-Zn alloy by Hydroxyapatite addition. Mg-Al-Zn alloys were prepared by casting with the addition of Hydroxyapatite from 1,5% to 2,5%wt, then water quenched. The microstructure evolution and hardness were investigated. The result showed that increasing of Hydroxyapatite content made the globular and smaller grains. Based on hardness test result the hardness was increased. With 1,5% to 2,5% Hydroxyapatite addition, hardness increased from 75.52 HV to 82.82 HV. The highest hardness was in the addition of 2.5% Hydroxyapatite with 82.82 HV.
Co-Authors Andy Saputro Ayuda Darmawan Yulianto Intan Khoerunisa Kusharjanto Suhirman Muhammad Reza Parega