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All Journal Jurnal Karya Pengabdian Teknik Mesin Energy, Materials and Product design
Pandri Pandiatmi
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Automotive Engineering Control & Systems Engineering Energy Engineering Industrial & Manufacturing Engineering

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Pemanfaatan Energi Alternatif untuk Keperluan Rumah Tangga Menuju Mandiri Energi M. Mirmanto; Yesung Allo Padang; Pandri Pandiatmi; S. Syahrul; S. Sinarep
JURNAL KARYA PENGABDIAN Vol 1, No 2 (2019): April, Jurnal Karya Pengabdian
Publisher : Universitas Mataram

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Abstract

The electrification ratio in Indonesia has only reached an average of 95.35%, but this achievement has not been evenly distributed, there are regions with high electrification and some that are very low. The electrification ratio in NTB for example has only reached 84.11%, therefore in NTB, the community still lacks electricity. Meanwhile, in fact the NTB region has very potential energy sources, such as solar energy, water energy, wind energy, marine energy, geothermal energy, biomass energy and biogas / syn-gas. However, the utilization of various energies has not been maximized. Based on this situation, this activity aims to introduce and promote the use of renewable energy sources. This community service activity was carried out at SMAN 1 Alas, West Lombok in the form of counseling and demonstration of renewable energy producers. In general, this activity ran well, safely and smoothly and got an encouraging response from the participants, and also got support from the community of SMAN 1 Alas and their teachers.
EFEK WAKTU TAHAN SINTERING DAN KOMPOSISI BAHAN TERHADAP KEKERASAN DAN STRUKTUR MAKRO PRODUK METALURGI SERBUK A.A. Alit Triadi; M.D. Fathony; Pandri Pandiatmi
Energy, Materials and Product Design Vol. 1 No. 2 (2022): Energy, Materials and Product Design
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Mataram

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Abstract

The development of science and technology today is very rapid and develop in various sectors, that one is in engineering material sector, specifically composite material . One method of composite formation is powder metallurgy method. Powder metallurgy is a metalworking technology in which components are manufactured from metal powders. This study aims to determine the effect of holding time sintering and mixing composition on hardness and macro structure observations. The material used in this study was aluminum waste that came from the rest of the window cutting. The specimens were made using powder metallurgy method. In this study the variations used were the sintering holding time of 120 minutes, 180 minutes, 240 minutes, composition variations of 80% Al : 17% Sic : 3% Glass, 80% Al : 14% Sic : 6% Glass, 80% Al : 11 % Sic : 9% Glass, 80% Al : 8% Sic : 12% Glass. Some control variables are grain size 100 mesh, mixing 15 minutes, compacting 7 tons and sintering temperature 600oC. The results obtained are the highest hardness value is found in the specimen with a sintering temperature of 600oC with a sintering holding time of 240 minutes at a material composition of 80:17:03 which is 90.33 HRF. The macro structure observations showed that there was a smaller porosity in the specimens with high hardness values. The results of the overall mechanical properties test show that the variation of the sintering resistance time has an effect on the specimen which will give time for the formation of stronger bonds between particles. While the variation in the composition of the material with SiC reinforcement the more the percentage given, the greater the composite hardness.
PENGARUH PENAMBAHAN SERAT KAIN KATUN PAKAIAN BEKAS TERHADAP KEKUATAN TEKAN DAN BENDING DARI KOMPOSIT FOAM AGENT BETON RINGAN DENGAN STRIMIN BAJA Muh. Rian Septiawan P; Agus Dwi Catur; Pandri Pandiatmi
Energy, Materials and Product Design Vol. 2 No. 1 (2023): Energy, Materials and Product Design
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Mataram

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Abstract

The problem of waste is a problem that requires serious handling, especially inorganic waste, where this waste cannot be destroyed by nature in a short time. Indonesia itself does not have a special treatment for this used clothing waste. Used clothes that are still fit for use can be resold or donated to those in need, but not every second-hand clothes can be reused so that used clothes are only thrown away which can cause pollution to the surrounding environment. With the increase in the human population in the world, the needs also increase, such as the need for food, clothing and there is also an increasing need for buildings. Panels are one of the most widely used building materials, especially for insulating walls in house buildings. One type of panel is a lightweight concrete panel. The purpose of this study is to utilize used clothing waste as a part of lightweight concrete composites where the fibers of used clothing waste are utilized as reinforcement for lightweight concrete composites and to determine the effect of adding used clothing waste fibers to the compressive and bending strength of the lightweight concrete. The variations that will be used are 0%, 0.3% and 0.7% with the size of the mold for bending, which is 160 mm long, 40 mm wide, 40 mm thick. while for the compression test mold is cylindrical in shape and has a height of 300 mm and a diameter of 150 mm. The results of this study indicate that there is an increase in strength in the compressive test from not using fiber or 0% of 4.42 N/mm2 , using fiber with a variation of 0.3% of 5.47 N/mm2 and fiber with a variation of 0.7% of 6.13 N/mm2 . The bending test shows a decrease in strength from variations of 0%, 0.3%, 0.7% to 3.65 Mpa, 3.376 Mpa, 2.6 Mpa.
Aplikasi Fly Ash Batu Bara di Industri Pembuatan Batako Dusun Peseng, Bumi Ayu Lombok Barat Sujita Sujita; Nur Kaliwantoro; Ahmad Zainuri; Emy Dyah Sulistyowati; Pandri Pandiatmi
JURNAL KARYA PENGABDIAN Vol. 5 No. 2 (2023): Oktober, Jurnal Karya Pengabdian
Publisher : Jurusan Teknik Mesin FT Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jkp.v5i2.153

Abstract

The existence of industrial waste has a negative impact, so it often becomes a problem for people's lives. One example is the waste from burning coal called coal fly ash (Faba). The problem-solving method uses Faba as a mixture of bricks through community service activities in the brick-making home industry group. Activities in the form of counseling and training on making bricks using Faba as a mixed material. In general, the quality of the bricks resulting from community service activities is in accordance with the standard SNI 03-0349-1989 the results of the minimum average compressive strength test for bricks are 27 Kg/cm2, and the highest compressive strength is 65 Kg/cm2, with a volume ratio of sand: cement is 6:1, Faba 60%, The benefits for the target audience (block makers in Peseng Hamlet, Bumi Ayu Village, Gerung District, West Lombok) are very helpful. Can save production costs and better brick quality, according to SNI 03-0349-1989 standards. Faba which is considered a waste material, can be utilized, and has a higher economic value.
PENGARUH KEKUATAN IMPAK DAN TARIK KOMPOSIT BERPENGUAT SERAT SEMBUKAN DENGAN MATRIK EPOXY Sinarep; A.A. Maulana; Pandri Pandiatmi; A Zainuri
Energy, Materials and Product Design Vol. 3 No. 1 (2024): Energy, Materials and Product Design
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Mataram

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Abstract

Composite is a combination of two or more elements arranged in a certain way to get new properties in matrial. Plants of Pukan (Peaderiafoetida L.) is a kind of wild grass that spreads and grows wild in nature. This study aims to determine the effect of the mechanical strength of the composite reinforced dying in the Healing with epoxy matrix. In this test, using Sembukan fiber as a reinforcement and epoxy as a composite matrial adhesive. The tests include: Tensile tests referring to ASTMD 3039, and Impact Tests referring to ASTMD 256. These tests use fiber volume fractions of 20%, 30%, and 40% with woven fiber orientation. The results showed, the greater the fiber volume fraction, the greater the toughness, the highest toughness was found in the fiber volume fraction variance of 40%, amounting to 0.10396 J/mm2. Same as Tensile testing, the stress increases with increasing fiber volume fraction, ie at 40% fiber at 9,1596 MPa. The influencing factor is none other than the percentage of fibers in the composite increasing the mechanical strength of the matrix. Keywords: Fiber Heal, toughness Impact, Tensile strength.
Co-Authors A Zainuri A.A. Alit Triadi A.A. Maulana Agus Dwi Catur Ahmad Zainuri Emy Dyah Sulistyowati M. Mirmanto, M. M.D. Fathony Muh. Rian Septiawan P Nur Kaliwantoro S. Sinarep S. Syahrul Sinarep Sujita Sujita Yesung Allo Padang