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Timotius Anggit Kristiawan
Politeknik Negeri Semarang
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Optimizing curing parameters to enhanced the compressive strength and toughness properties of Resin-Coated Sand (RCS) in foundry applications Khoryanton, Ampala; Harmanto, Sri; Mamba’udin, Ahmad; Alfauzi, Abdul Syukur; Tristijanto, Hery; Abidin, Zaenal; Yanuar, Padang; Putri, Farika Tono; Nugroho, Wahyu Isti; Kristiawan, Timotius Anggit; Sugiono, Friska Ayu Fitriani; Mujiarto, Iman; Riadini, Elfrida Rizky; Wirawan, Yuris Bahadur
Jurnal Polimesin Vol 23, No 2 (2025): April
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v23i2.6124

Abstract

Conventional heating methods remain prevalent among small and medium-sized enterprises (SMEs) for aluminum mold thermal regulation during resin-coated sand (RCS) core production. Inconsistent thermal regulation significantly alters the characteristics of resin-coated sand cores. This study aims to investigate the effect of curing parameters on the compressive strength and toughness of the resin-coated sand. The RCS specimens were prepared using an aluminum mold that underwent controlled thermal treatment in an electrical furnace. The thermal treatment is performed by processing specimens across a curing temperature range of 200-300°C and varying curing time from 3 to 15 minutes. HDPE polymer was proposed as the RCS binder. Compressive and impact tests were carried out to determine the characteristics of resin-coated sand. The results showed a non-linear relationship between curing parameters and mechanical properties. Although moderate curing time and higher temperatures initially improve compressive strength and toughness, exceeding optimal thresholds leads to the degradation of these mechanical characteristics. The highest mechanical properties (compressive strength = 38.4 MPa, toughness = 0.43 MPa) are achieved through a curing temperature of 250°C and a curing time of 9 minutes. This study provides valuable insights into determining the optimal parameters for processing resin-coated sand cores or molds with superior compressive and toughness properties.
Co-Authors Abdul Syukur Alfauzi Achmad, Fariz Ahmad Dimas Alisyafa'at Ahmad Mamba'udin Alfauzi, Abdul Syukur Alfiando Satrio Wibowo Alisyafa’at, Ahmad Dhimas Amin, Faiz Sholihul Aminuyati An Nizhami, Avicenna Ardjo, Anwar Sukito Arif Hidayat Aulia, Nur Fatowil Bambang Tjahjono Boy Bistolen Budhi Prasetiyo Dwiana Hendrawati Elfrida Rizky Riadini Faza, Muhajid Syafiulhaq Hakeke, Yarul Hery Tristijanto Ignatius Gunawan Widodo Ignatius Gunawan Widodo Indrawati, Ragil Tri Irianto, Sugeng Janitra, Atikah Ayu Karuana, Muhammad Rienaldy Khoryanton, Ampala Melvy Wattimena, Riles Mulyono Mulyono Nanang Apriandi Nizami, Avicenna An Nur Hidayati Nurhidayati Nurhidayati Padang Yanuar Padang Yanuar Panji Setya Laksono Putranto, Kristian Vico Putri, Farika Tono Rachman, Fathur Rani Raharjanti Riles Melvy Wattimena Riles Melvy Wattimena Rizal Ma’ruf Rochmatika, Rizkha Ajeng Safriana, Eni Saputra, Hafiidh Satito, Aryo Setiawan, Trio Setiyawan, Trio Sri Harmanto Sri Harmanto Sugeng Irianto Sugiono, Friska Ayu Fitriani Sugiono, Friska Ayu Fitrianti Supandi Suwarti Suwarti Sya’roni, Mohammad Trio Setiyawan Trio Setiyawan Tristan Yusuf Annas Tristan Yusuf Annas Wahyono Wahyono Wahyu Isti Nugroho Wattimena, Riles Melvy Wibowo, Andryana Dwiandara Widodo, Ignatius Gunawan Wiwik Purwati Widyaningsih Yanuar Mahfudz Safarudin Yuris Bahadur Wirawan Yuris Bahadur Wirawan, Yuris Bahadur Yusuf Dewantoro Herlambang Zaenal Abidin Zaenal Abidin Zainal Abidin