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Journal : Metalurgi

THE EFFECT OF AL2O3 AND STIRRING TIME ON DENSITY AND POROSITY OF ALUMINUM ADC12 FOAM Zulaida, Yeni Muriani; Izzudin, Muhammad Nurul; Suryana, Suryana
Metalurgi Vol 38, No 2 (2023): Metalurgi Vol. 38 No. 2 2023
Publisher : National Research and Innovation Agency (BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/metalurgi.2023.707

Abstract

The instability of the foam forming during metallic foam manufacture commonly occurs, which will cause undesirable pores. The stability of the foam structure is one of the important factors. A stabilizer can maintain the foam cell during the melting process. In this study, the metal used is ADC12 with a 12 wt.% of Si element content, and the foaming agent is CaCO3. CaCO3 will produce gas to form bubbles in the melt during the solidification process and use a stabilizer to strengthen cell walls so that foam does not easily fall off or collapse. The stabilizer uses Al2O3 with the variation of Al2O3 are 1 to 3 wt.%. The stirring time is as variable as well. A stirring process is conducted to distribute foaming agents so that the foam distribution is more homogeny throughout the aluminum foam. The variation of the stirring time is carried out for 60, 120, and 180 seconds. The results show that as the time of stirring and the addition of stabilizer increases, the porosity will rise, but the density decrease. Compressive strength results show it has no significant relation with increasing the stabilizer and stirring time. The highest compressive strength is obtained in the sample with a stirring time of 120 seconds with an Al2O3 content of 1 wt.%.
Co-Authors Abdillah Abdillah Abdul Aziz Abdussalam, Agus Ade Tutty R. Rosa Adi Suparwo Adib, Mokh Agus Pramono Agus Sudono, Agus Agustina, Ingrid Larasati Ahmad Syarif Alfattory Rheza Syahrul, Alfattory Rheza Alfirano Alfirano Alhamdi, Ahmad Ali Alhamidi , Ahmad A. Alhamidi, Ahmad Ali Ali Amran Alief Maulana, Alief Anwar Muhtadin, Dedi Aritonang, Torang Asep Ridwan Askolani Askolani, Askolani Asti Nur Aryanti Astri Wulandari Aziz, Abdul Bakrie, Ismail Bethani Suryawardani Biantari, Maya Preva Budhi Pamungkas Gautama, Budhi Bustami Bustami Chairul Furqon, Chairul Christianingrum Dedy Rahman Wijaya Dendi Gusnadi Dibias Lazuardi Maulid Didi Istardi Endang Komara Eni Sugiarti Eriana Astuty Fadillah, Resti Fanji Wijaya Ferry Arfiansyah Firmansyah, Asep A. Galang P, M. Afrizal Danar Galang P Hadi, Dudi Abdul Hanafiah Hari Mulyadi, Hari Heny Hendrayati Hetti Hidayati Husna, Fauzul Ichwan, Rusendra IdaTejawiani Ikram, Syafrizal Inayatullah, Qurat-ul-Ain Indah Uswatun Hasanah Ismail Ismail Ismail, Nawari Izzudin, Muhammad Nurul Junita, Dini Jurniarsih, Andinnie Kamarubayana, Legowo Kristiano, Rikardus Kurniawan, Adang Kusen Kusen, Kusen Leonita Siwiyanti Listri Herlina Majid, Novita Marcelino, Dandy Margono Margono Marimon, Frederic Maulana, Alief Ali Miftahuddin, S.Si.,MAB., asep MUHAMMAD ALI Munawar, Asep N. Nurjanah Noni Zakiah Noor, Noor Novilia, Fitri Nugraha S, Junjun Nugraha, Junjun Nunung Sri Mulyani Nur, Zuhra Tun Nurjanah, Rian Palupi Permata Rahmi Paula, Lili Perdana, Yoga Permata, Shintia Pertiwi, Netty Putri Pranata, Rengga Madya Pratminingsih, Sri Astuti Putra, Arly Fiesnanda Baven Putra, Maha Putra, Muryadi Putri, Amalia Rizkia putri, amanda Rahmiati, Mia Siti Resa, Resa Tifeni Az-Zahra Rofi Rofaida Rosyanne Kushargina Ruslani, Edi Saputra, Jumadil Saputra, Yori Andes Sastri Sastri Sendi Gusnandar Arnan Silvia Wagustina, Silvia Siska Komala Sari Siti Nurhayati Sugiyanto - Sujarwo Sujarwo Sukmawati, Riska Sumarto Sumarto Sutisna, Junjun Nugraha Suwatno Suwatno Taufik, Candra Tirkaamiana, Muhammad Taufan Tri Partuti Tria Apriliana, Tria Vanessa Gaffar Wingkolatin, Wingkolatin Yanti, Novi Dwi Yayu Sri Rahayu, Yayu Sri Yudih, Dadang Yulia Fitri Yuni Andri Ekawati Yunianto, Andi Eka Zikri Azham, Zikri Zuhdi Yahya, Zuhdi Zulaida, Yeni Muriani Zuliati, Septiarini