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All Journal Dinamika Teknik Mesin : Jurnal Keilmuan dan Terapan Teknik Mesin
S. Salman, S.
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Aerospace Engineering Automotive Engineering Mechanical Engineering Physics

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Sifat tekan komposit sandwich dengan inti beton cellular diperkuat pin bambu sebagai bahan panel ringan Catur, A.D.; Sutanto, R.; Salman, S.; Sari, N.H.; Wijana, M.; Prijaya, M.T.
Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin Vol 13, No 1 (2023): Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/dtm.v13i1.591

Abstract

Cellular lightweight concrete as sandwich composite core has the advantage of its density, with the presence of foam which makes it lighter. However, the presence of foam reduces its strength. Reinforcement with bamboo pins was carried out to increase the compressive strength of the sandwich composite. Bamboo pins connecting the composite skin reinforce the cellular lightweight concrete at an angle of 900, 700,650 to the composite skin. With the addition of bamboo pins, it increases the compressive strength of the sandwich composite in both flat and edge directions.
Pengaruh variasi komposisi arang kelapa dan kayu berpenguat serat ijuk terhadap sifat fisik dan mekanik komposit kampas rem Salman, S.; Triady, A.A.A.; Rahman, M.A.
Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin Vol 8, No 2 (2018): Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (438.57 KB) | DOI: 10.29303/dtm.v8i2.212

Abstract

The breaking system is a mechanical system to reduce the movement of the wheels. The existing nowadays friction material from asbestos belongs to cancer risk besides accelerating the damage of the brake drum. Therefore, the green friction material needs to be developed.The objective of this study is to determine the best composition of coconut shell of charcoal powder, wood powder, palm fibre and phenol resin as an alternative substitution of brake friction material. Variations in the percentage composition of coconut shell of charcoal powder were 45%, 40%, 35%, 30% and 25%. Sawdust and phenol resin were constant at 20% and 25% respectively, while the palm fibres were 10%, 15%, 20%, 25% and 30%. The specimens were produced by moulding under pressure 4 tons and heated at temperature 150o for 3 hours. The tests were wear, hardness, tensile test and micro photograph.The results showed that the lowest wear value is 1,68x10-6 gr/mm2.s and the highest one is 3,71x10-6 gr/mm2.s. The highest hardness value is 60,497 HBN and the lowest one is 54,329 HBN. While the maximum tensile stress is obtained at 9,50x10-1 MPa and the lowest one is 2,01x10-1 MPa. The best composition is obtained at the composition of 45% of coconut shell of charcoal powder, 20% of wood powder, 10% of palm fibre and 25% of resin phenol.
Pembuatan mesin uji tarik kapasitas kecil: bagian data akuisisi Pandiatmi, Pandri; Okariawan, IDK; Sulistyowati, Emmy Dyah; Salman, S.; Adhi, IG.A.K. Chatur
Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin Vol 7, No 1 (2017): Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (549.502 KB) | DOI: 10.29303/dtm.v7i1.6

Abstract

For the purposes of practicum and student research in the field of materials, tensile test equipment is very important. But the test equipment that is in the Department of Mechanical Engineering, University of Mataram has a very large capacity so it is not suitable for testing materials such as plastics and composites so this study bertujuann to make small capacity tensile testing machine for purposes of practicum and student research in the field of polymer materials and composites. Due to limited funds, the research is focused on making data acquisition tensile testing machine. Necessary materials are on site, cable, lead solder, lacquers cable socket and supported by laboratory equipment mechanical engineering majors who have been there, but some of the components to be purchased as load cell, electronic extensometer, and the operational amplifier module arduino uno boad. Design data acquisition consists of a sensor that is load cell, extensometer electronic, signal conditioning is an operational amplifier that is arduino uno data recording boad connected with the personal computer and data processing using LabView software so that the output of the data acquisition is in the form of tables and graphs. With their small capacity tensile testing machine is expected to provide an additional means of learning in the laboratory and student research.
Analisa pengaruh jumlah indentasi dan distribusi tegangan geser pada sambungan perekat baja-baja (paper ini telah dicabut) Salman, S.; Sugiman, S.; Sulistyawati, E.D.; Zainuri, A.; Robiansyah, R.
Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin Vol 9, No 2 (2019): Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (66.346 KB) | DOI: 10.29303/dtm.v9i2.282

Abstract

Adhesive joints are widely used in automotive industry and shipping industry. Efforts to increase the strength of the connection are still underway. This study aims to determine the effect of the amount of indentation on shear strength on low carbon steel joints and the failure mode when the number of indents is different. The connection was made of low carbon steel with epoxy adhesive as adhesive and adhesive thickness of 0.3 mm. The number of indents varied; with and without indentations 4, 9, 16, and 25 respectively. The indentation process was made by using pillar drilling with 1.5 mm diameter of drill bit. From the results, the specimen without indentation had highest shear strength was about 22 MPa. Connection strength tended to decrease with increasing indentation. By finite element modeling, the distribution of shear stress tended to be uniform without indentation, and the stress at the end of the connection for indented connections was higher than without indentation. 
Studi eksperimental penggunaan limbah karbit sebagai adsorben untuk menurunkan emisi kendaraan bermotor Tira, H. S.; Wirawan, M.; Padang, Y. A.; Salman, S.; Heruwasyah, H.
Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin Vol 10, No 2 (2020): Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (516.723 KB) | DOI: 10.29303/dtm.v10i2.339

Abstract

Motor vehicle emissions have proven lead to environmental and human health quality degradation. Therefore, efforts to reduce emissions especially motorcycles need to be done. Utilization of carbide waste has been proposed to be one of the solutions to reduce the level of emission of motorcycles. The carbide waste used is formed into granules and then installed into a reactor and placed in the exhaust line which will act as an adsorbent. The experimental study was conducted experimentally using a Yamaha Mio M3 125 CC. The results showed a reduction in exhaust emissions when using carbide waste adsorbents compared to emissions without adsorbents. The reduction was even greater when the volume of carbide waste was also greater. The reduction occurs in all types of emissions, both HC, CO, and CO2. It was obtained a reduction in emissions could reach up to 57 % for HC. However, the reduction performance cannot last long because the adsorbent has been saturated. Therefore further research is required to be performed.
Sifat tekan komposit sandwich dengan inti beton cellular diperkuat pin bambu sebagai bahan panel ringan Catur, A.D.; Sutanto, R.; Salman, S.; Sari, N.H.; Wijana, M.; Prijaya, M.T.
Dinamika Teknik Mesin Vol 13, No 1 (2023): Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/dtm.v13i1.591

Abstract

Cellular lightweight concrete as sandwich composite core has the advantage of its density, with the presence of foam which makes it lighter. However, the presence of foam reduces its strength. Reinforcement with bamboo pins was carried out to increase the compressive strength of the sandwich composite. Bamboo pins connecting the composite skin reinforce the cellular lightweight concrete at an angle of 900, 700,650 to the composite skin. With the addition of bamboo pins, it increases the compressive strength of the sandwich composite in both flat and edge directions.
Pengaruh variasi komposisi arang kelapa dan kayu berpenguat serat ijuk terhadap sifat fisik dan mekanik komposit kampas rem Salman, S.; Triady, A.A.A.; Rahman, M.A.
Dinamika Teknik Mesin Vol 8, No 2 (2018): Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/dtm.v8i2.212

Abstract

The breaking system is a mechanical system to reduce the movement of the wheels. The existing nowadays friction material from asbestos belongs to cancer risk besides accelerating the damage of the brake drum. Therefore, the green friction material needs to be developed.The objective of this study is to determine the best composition of coconut shell of charcoal powder, wood powder, palm fibre and phenol resin as an alternative substitution of brake friction material. Variations in the percentage composition of coconut shell of charcoal powder were 45%, 40%, 35%, 30% and 25%. Sawdust and phenol resin were constant at 20% and 25% respectively, while the palm fibres were 10%, 15%, 20%, 25% and 30%. The specimens were produced by moulding under pressure 4 tons and heated at temperature 150o for 3 hours. The tests were wear, hardness, tensile test and micro photograph.The results showed that the lowest wear value is 1,68x10-6 gr/mm2.s and the highest one is 3,71x10-6 gr/mm2.s. The highest hardness value is 60,497 HBN and the lowest one is 54,329 HBN. While the maximum tensile stress is obtained at 9,50x10-1 MPa and the lowest one is 2,01x10-1 MPa. The best composition is obtained at the composition of 45% of coconut shell of charcoal powder, 20% of wood powder, 10% of palm fibre and 25% of resin phenol.
Pembuatan mesin uji tarik kapasitas kecil: bagian data akuisisi Pandiatmi, Pandri; Okariawan, IDK; Sulistyowati, Emmy Dyah; Salman, S.; Adhi, IG.A.K. Chatur
Dinamika Teknik Mesin Vol 7, No 1 (2017): Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/dtm.v7i1.6

Abstract

For the purposes of practicum and student research in the field of materials, tensile test equipment is very important. But the test equipment that is in the Department of Mechanical Engineering, University of Mataram has a very large capacity so it is not suitable for testing materials such as plastics and composites so this study bertujuann to make small capacity tensile testing machine for purposes of practicum and student research in the field of polymer materials and composites. Due to limited funds, the research is focused on making data acquisition tensile testing machine. Necessary materials are on site, cable, lead solder, lacquers cable socket and supported by laboratory equipment mechanical engineering majors who have been there, but some of the components to be purchased as load cell, electronic extensometer, and the operational amplifier module arduino uno boad. Design data acquisition consists of a sensor that is load cell, extensometer electronic, signal conditioning is an operational amplifier that is arduino uno data recording boad connected with the personal computer and data processing using LabView software so that the output of the data acquisition is in the form of tables and graphs. With their small capacity tensile testing machine is expected to provide an additional means of learning in the laboratory and student research.
Analisa pengaruh jumlah indentasi dan distribusi tegangan geser pada sambungan perekat baja-baja (paper ini telah dicabut) Salman, S.; Sugiman, S.; Sulistyawati, E.D.; Zainuri, A.; Robiansyah, R.
Dinamika Teknik Mesin Vol 9, No 2 (2019): Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/dtm.v9i2.282

Abstract

Adhesive joints are widely used in automotive industry and shipping industry. Efforts to increase the strength of the connection are still underway. This study aims to determine the effect of the amount of indentation on shear strength on low carbon steel joints and the failure mode when the number of indents is different. The connection was made of low carbon steel with epoxy adhesive as adhesive and adhesive thickness of 0.3 mm. The number of indents varied; with and without indentations 4, 9, 16, and 25 respectively. The indentation process was made by using pillar drilling with 1.5 mm diameter of drill bit. From the results, the specimen without indentation had highest shear strength was about 22 MPa. Connection strength tended to decrease with increasing indentation. By finite element modeling, the distribution of shear stress tended to be uniform without indentation, and the stress at the end of the connection for indented connections was higher than without indentation. 
Co-Authors A. Zainuri, A. Catur, A.D. Emmy Dyah Sulistyowati, Emmy Dyah Heruwasyah, H. I G.A.K Chatur Adhi W.A. IDK Okariawan, IDK M. Wijana, M. M. Wirawan, M. N.H. Sari Padang, Y. A. Pandri Pandiatmi Prijaya, M.T. Rahman, M.A. Robiansyah, R. Sugiman . Sulistyawati, E.D. Sutanto, R. Tira, H. S. Triady, A.A.A.