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Journal : JURNAL DINAMIKA VOKASIONAL TEKNIK MESIN

CHARACTERISTICS OF HARDNESS AND MICROSTRUCTURE OF RECYCLED PISTONS MANUFACTURED BY SAND CASTING PROCESS Priyambodo, Bambang Hari; Handoko; Felixtianus Eko Wismo Winarto; Amida Tri Andani; Martinus Heru Palmiyanto; Kaleb Priyanto
Jurnal Dinamika Vokasional Teknik Mesin Vol. 10 No. 2 (2025)
Publisher : Department of Mechanical Engineering Education

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Abstract

Motorcycle piston waste, made from aluminum, is often poorly managed despite its advantages in corrosion resistance and thermal conductivity. This study aims to enhance the economic value of piston waste through recycling using the sand casting method. The melting process was conducted at a temperature of 843°C, followed by casting into sand molds. The recycled product is intended for use as a ship propeller component. Tests performed included Vickers hardness testing and microstructural analysis to evaluate the mechanical properties and material characteristics. The results showed that the recycled material exhibited an average hardness of 77.2 kg/mm², consistent with standard aluminum hardness. Microstructural analysis revealed the presence of porosity which may affect mechanical strength; however, this porosity did not reduce the material's resistance to mechanical damage and provided good toughness. Based on these findings, it can be concluded that motorcycle piston waste recycled by sand casting at 843 °C has potential for use in manufacturing high-value components such as ship propellers, considering the hardness quality and microstructural characteristics of the material.
Co-Authors Adawiyah Siregar, Rabiyatul Agus Sutrisno Agustin Ahda Imron, Nanda Alexander Knohl Amida Tri Andani Anang Cundoko, Tumiran Anlovsky Antonius Felix ARINDA LELIANA Aryatama, Septian Asrofiq, Ahmad Athiya Farha, Syahla Ati Bambang Hari Priyambodo Booni Tauhid Brahmana, Billy Teopilus Christian Stiegler Churniawan, Erifendi Daniel Destini, Frida Dintia Nurmazia Milah Dorrah Azis DWI YULIANTI Dyandra Sastra Wardani Edi Saputra Fadhilah Khairani, Fadhilah Farhana Yasmeen Qadri Farida, Muthia Felita Jekri Felixtianus Eko Wismo Winarto Fikry Alvianto Kurniawan, Fikry Grant Andrie Hartanto Kusuma Wardana Hasudungan, Farhan Herfiyanti, Leni herpratiwi Indra Permana, Indra Jengkar, Sapta Jonathan Salim, Steven Joosten Joosten Juan Matthew Karsten Junadhi Junadhi Kurniawan, Stephanus Danny Kusumastuti , Rajnaparamitha Luh Maya Rani Martinus Heru Palmiyanto Matthew Karsten, Juan Mliless , Mohamed Mliless, Mohamed Muhammad Safdar Bhatti Muhammad, Fachri Mutia Putri Dewi Apriyanti Nanda Ahda Imron Nasution, Bariq Nazra Zahid Shaikh Ndaomanu, Yorgi Ardiano Nina Kadaritna Nina Kadaritna NURHADI NURULIA HIDAYAH Nurwahidin, Muhammad Pamungkas, Ilman Putra Pradini, Susanthi Prihadianto, Braam Delfian Prihanto, Rusman Priyanto, Kaleb Putra Iswanto, Ary Rafif, Raihan Raharjo Putri, Miftahul Zannah Rahmaddeni Rahmaddeni Ramadhani, Muh Rizki Ramadhansyah, Donny Rangga Firdaus Resti Salmayenti Ria Khoirunnisa Apriyani Riswandi Rizal, M. Khairu Rizal, M. Khairu Rizal Rizky Amelia Robert Deffie Rosidin, Udang Ruby T Rusli Salsabila Putri, Hana Sasongko, Agung Dwi Sasqiya Putri, Destiana Sempurna Seta Anggara, Yogi Setyo Oktaria, Dhina Steven Jonathan Salim SUGIYANTO Sugiyanto Sugiyanto Sutomo Putra, Lopan Syafaruddin Tania June Tannia Triwahyu, Hardi Triyani Arita Fitri Undang Rosidin Undang Rosidin Wahyu Pratama, Andri Wan Ibnu, Happy Wariyanto Abdullah, Robi Wawan Riyanta Widyastuti Widyastuti Widyastuti Wijaya, Andreas Winson Y. H. Yogaswara, Y. H. Yarzan Munakalla Yogi Yunefri, Yogi Yon Sugiarto Yudho, Giri Yuwono Wiarco Za’immatul Mu’allimah