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All Journal Rekayasa Mesin Jurnal Rekayasa Mesin Journal of Mechanical Engineering Science and Technology JOURNAL OF SCIENCE AND APPLIED ENGINEERING INTEK: Jurnal Penelitian Jurnal Teknik Mesin Indonesia Mekanika: Majalah Ilmiah Mekanika Jurnal Energi dan Teknologi Manufaktur Eksergi: Jurnal Teknik Energi Jurnal Pengabdian Kepada Masyarakat Ceria Jurnal Pengabdian Kepada Masyarakat Bersinergi Inovatif Mars: Jurnal Teknik Mesin, Industri, Elektro dan Ilmu Komputer Journal of Evrimata: Engineering and Physics
Hilmi Iman Firmansyah
Politeknik Negeri Malang
Aerospace Engineering Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Mechanical Engineering Nursing Social Sciences Other

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Journal : Jurnal Energi dan Teknologi Manufaktur

 1 
SIMULASI PENGARUH ORIENTASI SUDUT SERAT TERHADAP TEGANGAN TARIK LAMINATED COMPOSITE Hilmi Iman Firmansyah; Sulistyono Sulistyono; Hangga Wicaksono
Jurnal Energi dan Teknologi Manufaktur Vol 4 No 01 (2021)
Publisher : Polinema Press, Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/jetm.v4i01.75

Abstract

Composite is a material consisting of a mixture or combination of two or more materials, either micro or macro, where the properties of the material are different in shape and chemical composition from the original substance. In this study, the composite was tested to determine the tensile strength using simulation. Composite material modeling consists of carbon fiber as reinforcement and epoxy resin as the matrix. Then the composite material was given a uniaxial loading with a loading value of 50 N. By using variations in the orientation of the fiber angle 45ᵒ/90ᵒ/-45ᵒ, 45ᵒ/90ᵒ/-45ᵒ and 60ᵒ/45ᵒ/-60ᵒ. This study aimed to determine the effect of fiber angle orientation on tensile strength, maximum deformation and location of maximum stress on carbon fiber composites. The best composite design is the composite with fiber angle orientation of 45ᵒ/90ᵒ/-45ᵒ with a tensile stress value of 3.6 MPa and the smallest deformation of 0.0644 mm.
Pengaruh Perlakuan Permukaan Pengikatan Terhadap Sifat Mekanik Komposit Serat Kaca Dengan Laminasi Almunium Muhammad Fakhruddin; Maskuri Maskuri; Elka Faizal; Bayu Pranoto; Hangga Wicaksono; Hilmi Iman Firmansyah
Jurnal Energi dan Teknologi Manufaktur Vol 4 No 02 (2021)
Publisher : Polinema Press, Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/jetm.v4i02.79

Abstract

Fiber metal laminates or commonly known as fiber metal laminates (FML) are composite structures made by combining 2 layers of material as the outer layer with the core material. The outer layer of this composite is called the laminate. Generally, laminated composites are produced by joining techniques under solid-state conditions, such as diffusion bonding, extrusion, friction-stir welding, and roller welding. In this study, glass fiber composites with aluminum lamination were made using the vacuum assisted resin infusion (VARI) method, using epoxy resin. The surface treatment of the aluminum laminate was carried out with the direction of roughing at certain angles and variations of the surface roughening of the laminate to test the mechanical bonding between the composite and the laminate. Mechanical bonding testing using three-point bending test method (three-point bending) and buckling test. The expected result is that by surface treatment on aluminum laminate, the best mechanical bonding to composites with glass fiber is obtained. The TKT to be achieved from this research is TKT level 3, which is an analytical study that supports the prediction of the performance of the effect of the bonding surface treatment on the mechanical properties of glass fiber composites with aluminum lamination.
Pengaruh Fraksi Volume Terhadap Sifat Mekanis Komposit Forged Fiberglass Metode Compression Mould Muhammad Fakhruddin; Imam Mashudi; Mochamad Muzaki; Hilmi Iman Firmansyah; Bayu Pranoto; Hangga Wicaksono
Jurnal Energi dan Teknologi Manufaktur Vol 5 No 02 (2022)
Publisher : Polinema Press, Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/jetm.v5i02.134

Abstract

Fiber-reinforced composites can be classified into two parts, namely short fiber composites and long fiber composites. Long fibers are stronger than short fibers. Long fiber (continuous fiber) is more efficient in laying than short fiber but short fiber is easier to lay than long fiber. Fiber length affects the processability of the fiber composite. Judging from the theory, long fibers can continue the load and stress from the stress point to the other fiber. In this study, the volume of chopped glass fiber composite with random matrix direction was varied with respect to polyester resin. Making forged fiberglass composites with the press mold method to minimize the occurrence of air bubbles during the composite molding process. Testing the mechanical properties of the forged fiberglass composite using the three-point bending and tensile testing methods. The expected result is the variation of the volume fraction of random chopped glass fiber to polyester resin. The TKT to be achieved from this research is TKT level 3, which is an analytical study that supports the prediction of the performance of the effect of the volume fraction between glass fiber and resin on the mechanical properties of the tensile and bending strength of forged glass fiber composites
Analysis of Fiber Metal Composite Shear Strength Using Independent Variables of Fiber Angle Orientation and Metal Surface Roughness Hilmi Iman Firmansyah; wirawan wirawan; Moh Nasir Hariyanto
Jurnal Energi dan Teknologi Manufaktur Vol 5 No 02 (2022)
Publisher : Polinema Press, Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/jetm.v5i02.136

Abstract

Fiber Metal Laminates (FML) is a classification of metallic materials consisting of several thin layers of metal combined with composite materials. The constraint of FML is the weak bond between the layer material and the core composite. The weak bond between the layer material and the core composite can be influenced by several things, including the absence of an interlock system between the layer material and the core composite so that the strength of the FML composite decreases. In this study, a study was conducted on the shear strength of FML composites using the independent variables of surface roughness and fiber angle orientation. The highest shear strength in FML composite with fiber angle orientation of 45/45° and with a surface roughness value of 2.128 m with a shear strength value of 2.7 MPa
Co-Authors Akbarsyah D, Khelvindra Rizky Akhmad Faizin Amrullah, Utsman Syah Andhika Angger Nugraha Anindito Purnowidodo Bayu Pranoto Bayu Pranoto BAYU PRANOTO Chandra Gunawan Chandra Gunawan Dani, Agus Elka Faizal Fauzan Baananto Hangga Wicaksono Hangga Wicaksono Hanif Arsalan Dani Subekti Hardyanto, Noveri Dwi Imam Mashudi Jannah, Zahratul Kurniawan, Yuda Junaedi Maskuri Maskuri Moh. Nasir Hariyanto Muhammad Fakhruddin Muhammad Galih Muhammad Trifiananto Mukhammad Fakhruddin Mustapa, Mohammad Sukri Muzaki, Mochamad Nike N.F Nurlia Pramita Sari Pratama, Adjie Yoga Pratama, Rico Wahyu R.N. Akhsanu Takwim, R.N. Akhsanu Rilis Eka Perkasa Sabina Aisyah Susanto Sari, Nurlia Sari, Nurlia Pramita Satworo Adiwidodo Setyabudi, Sofyan Arief Sulistyono Sulistyono Suwandhy , Nicky Syamsul Hadi Valeria, Sza Sya Monica Wicaksono, Hangga Widyasari, Auzini Wirawan Wirawan Wirawan