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All Journal JOURNAL OF MECHANICAL ENGINEERING, MANUFACTURES, MATERIALS AND ENERGY Journal of Renewable Energy and Mechanics Dinamis
Faisal Amri Tanjung
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Automotive Engineering Education Energy Engineering Industrial & Manufacturing Engineering Mechanical Engineering Social Sciences Transportation

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STATIC COMPRESSIVE CHARACTERISTICS ON THE OUTOF-PLANE OF HONEYCOMB STRUCTURE WITH HEXAGONAL SIZE VARIATIONS M Yusuf R Siahaan; Rakhmad Arief Siregar; Faisal Amri Tanjung
Journal of Renewable Energy and Mechanics Vol. 7 No. 01 (2024): REM VOL 7 NO 01 2024
Publisher : UIR PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25299/rem.2024.16356

Abstract

Implementasi honeycomb bahan aluminium saat ini sangat tinggi kebutuhannya pada industri manufaktur yang diaplikasikan di bidang konstruksi, penerbangan, kapal laut, automotive, transportasi, dan furniture. Keunggulan panel honeycomb bahan aluminium adalah material logam yang ringan, tahan korosi, peredam getaran, dan tahan lembab. Penelitian ini menggunakan metode eksperimental pada 3 variasi geometri hexagonal cell honeycomb terhadap bidang luar dengan pengujian tekan statik Universal Testing Machine (UTM). Dampak variasi geometri hexagonal cell honeycomb mengungkapkan terjadinya peningkatan nilai kemampuan menerima beban secara signifikan sebesar 44 % model hexagonal cell 2 mm dan lonjakan sebesar 15% model hexagonal cell 4 mm. Geometri hexagonal cell 2 mm dan 4 mm berurutan menunjukkan konstribusi positif terhadap kemampuan menerima beban statik sebesar 39,9 kN dan 30,6 kN. Dampak peningkatan nilai beban secara signifikan didekati melalui persamaan linier y = -6x + 44,333.
An Empirical Investigation of Static Compression Tests on Mortar Composite Materials with Different Proportions of Fly Ash Faisal Amri Tanjung; Siahaan, Muhammad Yusuf Rahmansyah; Rakhmad Arief Siregar
JOURNAL OF MECHANICAL ENGINEERING MANUFACTURES MATERIALS AND ENERGY Vol. 8 No. 2 (2024): December 2024 Edition
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/jmemme.v8i2.12815

Abstract

The engineering of composite mortar materials presents substantial economic advantages and significant potential for advancement in the construction sector, particularly through applications such as plant vases, coral transplant media, seawalls, wall decorations, bricks, paving blocks, and acoustic panels. The use of fly ash, an industrial byproduct, can facilitate the production of high-quality materials in alignment with the government’s circular economy initiatives. This study employs a mortar mixture with a 1:1 ratio combined with varying compositions of fly ash at 10%, 30%, and 50%, utilizing an experimental testing approach that includes a static load compression test. The purpose of the compression testing apparatus is to ascertain the compressive strength characteristics and the mass percentage of the materials. The findings revealed that the maximum compressive strength achieved with 10% fly ash was 34.07 MPa; however, variations in the fly ash composition led to a reduction in the material's toughness properties by 10.42% and 16.53%, respectively. The recorded compressive strength values comply with the quality standards set forth in SNI 03-0691-1996 for paving blocks classified as type B quality. Furthermore, the variations in composition positively influenced the mass percentage, with considerable increases of 66.67% and 45.33% corresponding to the differing fly ash compositions.
Investigation of the Impact Strength of MC Blue Material Due to Temperature Variations Yusuf Rahmansyah Siahaan, Muhammad; Rakhmad Arief Siregar; Faisal Amri Tanjung; Ahmad Yunus Nasution
DINAMIS Vol. 12 No. 2 (2024): Dinamis
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/dinamis.v12i2.18851

Abstract

Researchers carried out experimental testing on the MC Blue material using the charphy impact method. The MC Blue specimen was developed in a local workshop in Medan City, North Sumatra for three variations of testing temperature, namely normal temperature 31 oC, temperature 50 oC, and temperature 100 oC. The aim of this research is to determine the impact energy and impact strength values ​​of MC Blue material due to dynamic loads. The results of test data analysis show the mechanical characteristics of impact resistance with the highest value occurring in specimens at a temperature of 100 oC of 56.696 Joules at an average impact energy and an average impact strength value of 0.438 J/mm2. Meanwhile, the lowest Charphy impact resistance was shown by the normal temperature model of 31 oC of 17.975 Joules for the average impact energy value and the average impact strength value was 0.139 J/mm2. Temperature variations have a concrete impact, there is an increase in impact energy on the MC Blue material with a linear gradient equation y = 19.361x + 2.1467 and the impact strength value experiences a relevant increase due to temperature differences with a linear gradient equation y = 0.1495x + 0.0163.
Compressive Strength Characteristics of Mortar Composite Materials Influenced by the Fly Ash Mass Composition Ratio Muhammad Yusuf Rahmansyah Siahaan; Siregar, Rakhmad Arief; Faisal Amri Tanjung; Muhammad Nuh Hudawi Pasaribu
JOURNAL OF MECHANICAL ENGINEERING MANUFACTURES MATERIALS AND ENERGY Vol. 9 No. 2 (2025): December 2025 Edition
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/jmemme.v9i2.15685

Abstract

The application of science and technology to mortar composite materials creates increasingly better economic value advantages and its development potential has a positive impact on the field of building construction with the implementation of household appliances, coral transplant media, sea walls, roads, curbs, paving blocks, reclaimed land, plant vases, wall ornaments, and acoustic panels. Fly ash material as industrial waste has been categorized as non-B3 waste by the government so that the use of Fly Ash can be optimized to maintain environmental sustainability and become a catalyst for driving the community's economy. This study with a 1: 2 ratio mortar material added with fly ash material to analyze the mechanical properties of the material using experimental testing methods on 3 variations of fly ash material compositions in sequence 10%, 30%, and 50% aims to obtain compressive strength characteristics and mass percentage. The test results provide the highest compressive strength value data on 10% fly ash material of 28.10 MPa while other composition variations tend to show a decrease in the ability of material resilience properties in sequence of 9.36% and 20.32%. The mechanical properties of compressive strength meet the quality requirements of SNI 03-0691-1996 for implementation on paving blocks of type B quality and SNI 2442-2020 for application on concrete curbs. The influence of mass composition provides a positive contribution creating an increasing trend towards the mass percentage where the response of fly ash variations is respectively 20.74% and 14.33%.
Co-Authors M Yusuf R Siahaan Muhammad Nuh Hudawi Pasaribu Muhammad Yusuf Rahmansyah Siahaan Muhammad Yusuf Rahmansyah Siahaan Nasution, Ahmad Yunus Rakhmad Arief Siregar Rakhmad Arief Siregar