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All Journal Jurnal Teknik Mesin JOURNAL OF MECHANICAL ENGINEERING, MANUFACTURES, MATERIALS AND ENERGY JURNAL DINAMIKA VOKASIONAL TEKNIK MESIN Infotekmesin Mekanika: Majalah Ilmiah Mekanika Abdi Masya Jurnal Patria Bahari Teknika Jurnal Suara Pengabdian 45 Cakrawala: Jurnal Pengabdian Masyarakat Global Politeknosain Panthera : Jurnal Ilmiah Pendidikan Sains dan Terapan Jurnal Polimesin Mars: Jurnal Teknik Mesin, Industri, Elektro dan Ilmu Komputer Panggung Kebaikan : Jurnal Pengabdian Sosial Jurnal Pendidikan Teknik Mesin
Priyanto, Kaleb
Universitas Negeri Semarang
Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Social Sciences Transportation Other

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Characterization of HDPE Waste-Bentonite Clay-Jute Fiber Composite Materials: Impact Strength and Density Analysis Thoriq Bintang Fadillah; Kriswanto; Kaleb Priyanto; Immanuel Eltian Sudjana
JOURNAL OF MECHANICAL ENGINEERING MANUFACTURES MATERIALS AND ENERGY Vol. 10 No. 1 (2026): June 2026 Edition
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/jmemme.v10i1.15732

Abstract

This study evaluates composite materials' impact strength and density from recycled high-density polyethylene (HDPE) waste reinforced with woven jute fibers and filled with bentonite clay at varying volume fractions (2%, 4%, 6%, and 8%). The composites were fabricated using a hot press molding technique. Density was measured following ASTM D792, while impact strength was assessed using the unnotched Charpy method based on ISO 179. Results showed that increasing bentonite content raised the composite's density due to the higher specific gravity of the clay. Impact strength exhibited a non-linear behavior, peaking at 4% bentonite with a 13.5% increase compared to the 2% variant. However, further increases in clay content led to a significant drop in impact strength, primarily due to filler agglomeration and reduced matrix-fiber interfacial bonding, which resulted in brittle fracture modes. Macro-photographic analysis of fracture surfaces confirmed this trend, revealing ductile failure, fiber pullout at low clay contents, and sharp, brittle fractures at higher contents. These findings highlight the importance of optimizing filler content to balance density and mechanical performance, offering insights for developing sustainable composite materials for structural and industrial applications. Keywords: recycled HDPE, natural fiber composite, bentonite clay, impact strength, density
Co-Authors Afif, Dany Faishal Afix Zulfikri Almay, Hans Nashirudin Amida Tri Andani Andika Wibowo Andri Setiyawan Ardiyanto, Farit Arif Hidayat Purwono Atmoko, Nugroho Tri Bambang Hari Priyambodo Bambang Hari Priyambodo Bambang Margono Briantoro, Oktova Yusuf Cahyanto, Septian Eko Daniel Agung Cristanto Dio Agusta P Edi Cahyono Enita, Sarai Esa Nur Shohih Felixtianus Eko Wismo Winarto Gojandra, Farda Pega Libra Haikal Haikal Haikal Handoko Haniel, Haniel Hari Priyambodo, Bambang Hibban Pasya Hafid I R Ramadhani Immanuel Eltian Sudjana J. Jamari Jenal Sodikin Julivan Brian Womsiwor Karminto Karminto Karminto, Karminto Khoirul Huda Krisna Saka Aji Pangestu Kriswanto Kriswanto Kriswanto Kriswanto, Kriswanto Lilik Dwi Styana Lujeng Widodo, Lujeng M R Pratama Martinus Heru Palmiyanto Martinus Heru Palmiyanto Martinus Heru Palmiyanto Moch. Chamim Muhammad Emir Al Hakim Muhammad Isnaini Nuur Rohman Muhammad Naufal Syaikhany Muhammad Tegar Miftakhlana Muhammad Zakky Mubarok Ninda Kurniadi Nugroho, Ananda Tri Bintang Nur Hidayah, Fatimah Petrus Heru Sudargo Pratama, M R Putra, Fajar Waskhita Rahmat Rahmat Doni Widodo Rahmawati, Adinuringtyas Herfi Ramadhani, I R Rauuf Nur Fattah Ridwan Afandi Rizqi Fitri Naryanto Roy Aries Permana Tarigan Roy Tarigan Ruben Bayu Kristiawan Rusiyanto Rusiyanto Saputra, Dimas Chandra Sarai Enita Setyo Bhahak Fendi Baihaqi Sodikin, Jenal Sudjana, Immanuel Eltian Suhartoyo Suhartoyo Suhartoyo Suhartoyo, Suhartoyo Tarigan, Roy Aries Permana Thoriq Bintang Fadillah Tritmoko, Nugroho Tunggul Ulung Adi Kusumo Wibisono, Gilang Wibowo, Andika Agus Tri Yudistira Rijal Andika