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Journal : Rekayasa Mesin

KARAKTERISTIK MEKANIK ALUMINIUM PADUAN HASIL KOMPARASI PROSES EQUAL CHANNEL ANGULAR PRESSING VS ROLLING: Severe Plastic Deformation (S.P.D) Pramono, Agus; Alhamidi , Ahmad A.; Firmansyah, Asep A.; Suryana, Suryana; Alfirano, Alfirano; Ridwan, Asep
Jurnal Rekayasa Mesin Vol. 16 No. 1 (2025)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jrm.v16i1.1672

Abstract

Aluminum alloys are vital in industries such as automotive, aerospace, and manufacturing due to their strength, lightweight, and corrosion resistance. To enhance their mechanical performance and energy efficiency, advanced methods like severe plastic deformation (SPD) have been explored, with equal channel angular pressing (ECAP) proving effective in refining grain structures and improving material properties. ECAP was applied to the AA5XXX series aluminum alloy using a fixed-section die with a mold groove angle of 105°  and a curve angle of 75º, while keeping the cross-sectional dimensions of the specimen constant. Route C was employed, involving a variable number of passes. Subsequently, the results of the ECAP process were further enhanced through a 50% reduction roll process. A significant increase in strength and hardness was observed when comparing the combination of ECAP and 50% rolling with ECAP alone. The mechanical properties increased by 58.11% for the first pass, 58.66% for the second pass, 58.92% for the third pass, and 59.19% for the fourth pass. Grain refinement also exhibited substantial improvement in this combined process, with increases of 68.18% for the first pass, 77.59% for the second pass, 85.71% for the third pass, and 87.38% for the fourth pass. Pure ECAP yielded a maximum strength of 251 MPa and a hardness of 78.43 HB, while the combination of ECAP with 50% rolling achieved a maximum strength of 277 MPa and a hardness of 86.17 HB. This research successfully increased tensile strength and hardness while altering the microstructure grain size morphology.
Co-Authors Abdillah Abdillah Abdul Aziz Abdussalam, Agus Adi Suparwo Adib, Mokh Agus Pramono 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 Andri Ekawati, Yuni Anwar Muhtadin, Dedi Arfiansyah, Ferry Aritonang, Torang Arnan, Sendi Gusnandar 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 Endang Komara Eni Sugiarti Eriana Astuty Fadillah, Resti Fanji Wijaya 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, 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 Silvia Wagustina, Silvia Siska Komala Sari Siti Nurhayati Sugiyanto - Sujarwo Sujarwo Sukmawati, Riska Sumarto Sumarto Sutisna, Junjun Nugraha Tirkaamiana, Muhammad Taufan Tri Partuti Tria Apriliana, Tria Tutty Rokhayati, Ade Vanessa Gaffar Wingkolatin, Wingkolatin Yanti, Novi Dwi Yayu Sri Rahayu, Yayu Sri Yudih, Dadang Yulia Fitri Yunianto, Andi Eka Zikri Azham, Zikri Zuhdi Yahya, Zuhdi Zulaida, Yeni Muriani Zuliati, Septiarini